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CCNA Infrastructure Questions

75 of 127 questions · Page 1/2 · Infrastructure · Answers revealed

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1

Multi-Selectmedium

A company is planning to deploy tablets for field sales representatives. Which TWO mobile device features would be most useful for navigation and contactless payments?

Select 2 answers

A.Biometric authentication (fingerprint)

B.Gyroscope

C.Accelerometer

D.GPS

E.NFC

AnswersD, E

GPS receivers in tablets use satellite signals to determine location, enabling mapping and turn-by-turn navigation for field representatives travelling between client sites. This directly satisfies the navigation requirement in the scenario, independent of the contactless payment need covered by NFC.

Why this answer

Option D (GPS) is correct because GPS receivers in tablets use satellite signals to determine precise geographic position, which directly supports turn-by-turn navigation and location-based routing for field sales representatives. Option E (NFC) is correct because Near Field Communication enables short-range (typically within about 4 cm) contactless data exchange, which is the technology behind tap-to-pay mobile wallets such as Apple Pay and Google Pay. Option A (biometric authentication) is useful for securely unlocking the device and authorizing payments, but it is an authentication mechanism rather than a navigation or contactless-payment feature itself.

Option B (gyroscope) and Option C (accelerometer) are motion sensors used for screen orientation, gaming, and step detection, and neither provides navigation positioning or contactless payment capability.

Exam trap

FC0-U71 often tests whether candidates can map a stated business need (navigation, contactless payments) to the correct sensor/radio — distractors like accelerometer and gyroscope sound 'mobile' but have nothing to do with location or payments.

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2

Multi-Selectmedium

A company is setting up a new branch office. The network administrator needs to choose a wireless standard and a frequency band. Which TWO of the following options would provide the fastest speeds and least interference? (Select TWO.)

Select 2 answers

A.5GHz

B.2.4GHz

C.802.11ax

D.802.11ac

E.Bluetooth

AnswersA, C

5GHz offers wider channels and far more non-overlapping ones than 2.4GHz, whose band is congested by microwaves, Bluetooth and neighbouring networks. This directly satisfies the stem's "least interference" constraint, while its higher throughput potential supports the "fastest speeds" requirement for the branch office.

Why this answer

Option A (5GHz) is correct because the 5GHz band offers more non-overlapping channels and is far less congested than 2.4GHz, which directly reduces interference in a branch office environment. Option C (802.11ax) is correct because Wi-Fi 6 (802.11ax) delivers the highest throughput and best spectral efficiency of the listed standards, using OFDMA, MU-MIMO, and 1024-QAM to provide the fastest speeds. Option B (2.4GHz) is not selected because it is heavily congested by neighboring networks, Bluetooth, and microwaves, causing more interference and lower speeds.

Option D (802.11ac) is not selected because, while fast, it is an older Wi-Fi 5 standard that is slower and less efficient than 802.11ax. Option E (Bluetooth) is not selected because it is a short-range personal area network technology with very low throughput, not a WLAN standard for branch office connectivity.

Exam trap

FC0-U71 often tests the misconception that 2.4GHz is 'better' because of longer range — candidates must remember that the question asks for fastest speeds and least interference, which favors 5GHz and the newest 802.11 standard.

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3

MCQeasy

Which of the following is the primary function of a router in a home network?

A.Converts ISP signal to digital

B.Assigns IP addresses to devices

C.Provides wireless connectivity only

D.Connects the home network to the internet

AnswerD

The router performs NAT and forwards packets between the LAN and the ISP's WAN link, providing the default gateway. This satisfies the stem's requirement of connecting the home network to the internet, unlike a switch or access point.

Why this answer

A router's primary function is to connect the home network to the internet by routing packets between the local network and the ISP's network, performing NAT and forwarding traffic based on IP addresses. It is the gateway device that sits at the boundary between the LAN and the WAN. While many home routers also include a switch, wireless AP, and DHCP server, those are secondary functions.

Exam trap

FC0-U71 often tests whether candidates conflate the router with the modem, DHCP server, or wireless AP — all of which are commonly integrated into the same physical box, making it easy to pick a secondary function as the 'primary' one.

How to eliminate wrong answers

Option A is wrong because converting the ISP signal to digital is the function of a modem (e.g., cable, DSL, or fiber ONT), not a router — the modem demodulates the ISP's signal into Ethernet/IP for the router. Option B is wrong because assigning IP addresses to devices is the role of a DHCP server, which is often integrated into a home router but is not its primary function. Option C is wrong because providing wireless connectivity is the function of a wireless access point, again often integrated into a home router but not its defining role.

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4

MCQeasy

A technician is setting up a new laptop for a traveling salesperson. The laptop must have a built-in cellular modem so the user can access the internet without relying on Wi-Fi hotspots or tethering to a phone. Which internal expansion slot is specifically designed to accept a cellular modem module in a modern laptop?

A.M.2 slot

B.SO-DIMM slot

C.SATA data connector

D.PCIe x16 slot

AnswerA

M.2 slots with key B or key B+M accept cellular modem modules, often in the 3042 or 3052 form factor. These slots connect via PCIe or USB signals to the chipset, allowing the modem to be recognized as a WWAN device. Many business laptops include a dedicated M.2 WWAN slot with antenna cables pre-routed, making it the standard internal interface for adding cellular connectivity without external dongles.

Why this answer

A cellular modem module in a laptop connects through an M.2 slot keyed for WWAN, typically using PCIe or USB lanes. This slot is designed for the small 3042/3052 module form factor and works with the pre-installed antenna cables found in business laptops. Other listed slots serve memory, storage, or desktop expansion roles and cannot accept or electrically support a WWAN module.

Exam trap

The trap here is assuming any M.2 slot can host any M.2 device, when keying and supported protocols determine whether a slot accepts a WWAN modem, an SSD, or neither.

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5

MCQmedium

A user is trying to connect a laptop to a high-definition monitor that supports 4K resolution at 60Hz. Which of the following ports on the laptop will support this video output?

A.HDMI

B.Ethernet RJ45

C.3.5mm audio jack

D.USB-A 3.0

AnswerA

HDMI carries digital video and supports 4K at 60Hz when using HDMI 2.0 or later, matching the monitor's stated resolution and refresh rate. Older standards such as VGA are analogue and cannot deliver this bandwidth.

Why this answer

HDMI supports 4K resolution at 60Hz, making it the correct port for connecting a laptop to a 4K monitor. HDMI 2.0 and later versions specifically support 4K at 60Hz, which is the standard for modern laptops and monitors. The other ports listed are not video output interfaces and cannot carry a display signal to a monitor.

Exam trap

The trap is that candidates may think any USB port can output video, but USB-A 3.0 does not natively carry a display signal — only HDMI, DisplayPort, or USB-C with Alt Mode do.

How to eliminate wrong answers

Option B is wrong because Ethernet RJ45 is a networking port for wired LAN connectivity, not a video output. Option C is wrong because a 3.5mm audio jack carries analog audio only and has no video capability. Option D is wrong because USB-A 3.0 is a data port that does not natively output video — while USB can carry video via DisplayLink or USB-C Alt Mode, USB-A 3.0 alone does not support 4K 60Hz display output.

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6

MCQmedium

A user wants to connect a high-resolution 4K monitor to their desktop computer for gaming at 144Hz. Which port should they use to ensure the best performance?

A.DisplayPort

B.DVI

C.VGA

D.HDMI 1.4

AnswerA

DisplayPort carries enough bandwidth for 4K at 144Hz, whereas HDMI versions below 2.1 cap refresh rates at that resolution. Its packet-based link and higher lane throughput satisfy the stem's combined 4K and 144Hz performance constraint.

Why this answer

DisplayPort is the correct choice because it supports 4K resolution at 144Hz (and higher) with sufficient bandwidth, and it is the standard interface for high-refresh-rate gaming monitors. DisplayPort 1.4 and later natively handle 4K@144Hz without compression, making it the best performance option among the listed ports.

Exam trap

The trap is assuming any modern digital port can handle 4K@144Hz — candidates often pick HDMI because it is common, but HDMI 1.4 specifically caps at 4K@30Hz, and only HDMI 2.1 supports 4K@144Hz.

How to eliminate wrong answers

Option B is wrong because DVI, even in its dual-link variant, maxes out well below 4K@144Hz — dual-link DVI supports roughly 2560x1600 at 60Hz, far short of the requirement. Option C is wrong because VGA is an analog interface limited to about 1920x1080 at 60Hz with degraded signal quality, and it cannot carry 4K or high refresh rates at all. Option D is wrong because HDMI 1.4 supports 4K only at 30Hz (or 24Hz), which fails the 144Hz requirement — HDMI 2.1 would be needed for 4K@144Hz.

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7

MCQeasy

A user complains that their laptop's built-in display is very dim and difficult to read, even when the brightness is set to maximum. The laptop is five years old and has never had any hardware replaced. Which component is most likely failing?

A.Backlight

B.Digitizer

C.Inverter

D.Video card

AnswerA

The backlight provides illumination for the LCD screen. Over time, backlights can degrade, especially in older laptops, leading to reduced brightness even at maximum settings. Since the laptop is five years old and the display is uniformly dim, a failing backlight is the most probable cause. Replacing the backlight or the entire display assembly would resolve the issue.

Why this answer

The backlight is responsible for illuminating the LCD panel. In an aging laptop, the backlight can lose brightness over time, resulting in a dim display even at maximum brightness. The other components would produce different symptoms, such as no backlight, touch issues, or image distortion.

Therefore, the backlight is the most likely failing component.

Exam trap

The trap here is assuming any display issue is caused by the video card, but gradual dimming points to backlight degradation.

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8

MCQeasy

A technician is setting up a brand-new all-in-one desktop for a home user. The user wants to connect to the internet using the existing home router without running any cables. Which built-in capability should the technician verify is working?

A.Wi-Fi adapter

B.Ethernet port

C.Optical drive

D.Bluetooth adapter

AnswerA

A Wi-Fi adapter allows the desktop to connect wirelessly to the home router, which is exactly what the user requested. All-in-one systems often include integrated Wi-Fi, so the technician should confirm it is enabled and can see the network. This satisfies the no-cables requirement directly.

Why this answer

The user wants internet access without cables, so the desktop must have a working Wi-Fi adapter to connect to the home router wirelessly. Ethernet would require a cable, while Bluetooth and an optical drive do not provide network access at all. Only Wi-Fi meets the stated need.

Exam trap

The trap here is confusing any wireless technology, such as Bluetooth, with the specific wireless networking standard used to reach a router for internet access.

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9

MCQhard

A network technician is troubleshooting a slow wireless connection in a crowded office. The office uses many Wi-Fi networks and devices. Which Wi-Fi standard would be best to minimize interference and provide faster speeds?

A.802.11g

B.802.11n (Wi-Fi 4)

C.802.11ax (Wi-Fi 6)

D.802.11ac (Wi-Fi 5)

AnswerC

Wi-Fi 6 offers better performance in dense deployments.

Why this answer

802.11ax (Wi-Fi 6) is the best choice because it operates on both 2.4 GHz and 5 GHz (and 6 GHz in Wi-Fi 6E) and introduces OFDMA, MU-MIMO, BSS Coloring, and Target Wake Time. BSS Coloring specifically reduces interference in dense environments by allowing overlapping BSSs to distinguish each other's frames, and OFDMA improves spectral efficiency for many simultaneous clients. These features directly address the crowded-office scenario.

Exam trap

FC0-U71 often tests the misconception that the newest/highest-numbered standard is always best, but the real trap is confusing raw throughput (802.11ac) with density efficiency (802.11ax) in interference-heavy environments.

How to eliminate wrong answers

Option A is wrong because 802.11g is a legacy 2.4 GHz-only standard capped at 54 Mbps, highly susceptible to interference from other 2.4 GHz networks and non-Wi-Fi devices. Option B is wrong because 802.11n (Wi-Fi 4) supports 2.4/5 GHz but lacks OFDMA and BSS Coloring, so it degrades badly in high-density deployments. Option D is wrong because 802.11ac (Wi-Fi 5) is 5 GHz-only and, while faster than 802.11n, lacks OFDMA and BSS Coloring, making it less effective than Wi-Fi 6 in dense, interference-heavy environments.

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10

MCQmedium

A user wants to connect an external storage drive to a laptop for fast file transfers. The laptop has USB-A, USB-C, and Thunderbolt 3 ports. Which connection provides the fastest theoretical data transfer speed?

A.USB-A 2.0

B.USB-A 3.0

C.USB-C 3.1

D.Thunderbolt 3

AnswerD

Thunderbolt 3 provides 40Gbps over USB-C, exceeding USB 3.2 Gen 2's 10Gbps and far surpassing USB-A implementations. This satisfies the stem's fastest-transfer constraint, since the drive's own interface, not the port alone, ultimately limits real-world throughput.

Why this answer

Thunderbolt 3 offers a theoretical bandwidth of 40 Gbps, far exceeding USB-A 2.0 (480 Mbps), USB-A 3.0 (5 Gbps), and USB-C 3.1 (10 Gbps). For an external storage drive, Thunderbolt 3 therefore provides the fastest theoretical transfer rate among the listed options, making it the correct choice.

Exam trap

FC0-U71 often tests the assumption that USB-C always means the fastest speed, when in fact USB-C is just a connector — the underlying protocol (USB 3.1 vs Thunderbolt 3) determines the actual bandwidth.

How to eliminate wrong answers

Option A is wrong because USB-A 2.0 is limited to 480 Mbps, the slowest of all listed interfaces. Option B is wrong because USB-A 3.0 (USB 3.1 Gen 1) tops out at 5 Gbps, well below Thunderbolt 3. Option C is wrong because USB-C 3.1 (Gen 2) delivers 10 Gbps, which is fast but still only a quarter of Thunderbolt 3's 40 Gbps.

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11

MCQmedium

An office printer frequently jams and produces poor-quality color prints. The office manager decides to replace it with a printer that is faster and more cost-effective for high-volume black-and-white text documents. Which type of printer is most appropriate?

A.Thermal printer

B.Inkjet printer

C.Dot-matrix printer

D.Laser printer

AnswerD

Laser printers use a toner-based electrophotographic process that produces sharp text at high speed with a low cost per page, matching the high-volume monochrome requirement. Their straight paper path and durable mechanisms also reduce the frequent jamming the office currently experiences.

Why this answer

A laser printer uses a laser beam and toner to produce fast, high-volume black-and-white text documents at a low cost per page, making it the best fit for an office with frequent jams and poor color output that needs faster, more cost-effective monochrome printing.

Exam trap

The trap is focusing on the 'color prints' complaint and picking inkjet — candidates miss that the requirement is high-volume black-and-white text, where laser printers dominate on speed and cost per page.

How to eliminate wrong answers

Option A is wrong because thermal printers are used for receipts, labels, and barcodes, not general office documents, and they require special thermal paper. Option B is wrong because inkjet printers are slower for high-volume text, have higher cost per page, and are prone to clogging and smearing — the opposite of what the office needs. Option C is wrong because dot-matrix printers are impact printers used for multipart forms and carbon copies, are noisy, and produce low-resolution output unsuitable for high-volume office text.

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12

MCQhard

A technician is troubleshooting a workstation that randomly loses its connection to a file server. The workstation's IP address is 169.254.10.25, and it cannot reach the default gateway. The switch port shows link and activity lights. Which of the following is the MOST likely cause?

A.The DNS server is unreachable.

B.The DHCP server is not responding to requests.

C.The network cable is damaged or disconnected.

D.The file server's firewall is blocking SMB traffic.

AnswerB

When a DHCP client cannot obtain a lease, Windows and many other operating systems self-assign an address in the 169.254.0.0/16 range, known as APIPA or link-local. That address has no gateway, so the workstation cannot reach the file server on another subnet. The link lights confirm the physical connection is fine, which points to a DHCP communication failure rather than a cable or switch port problem.

Why this answer

An address in the 169.254.0.0/16 range is self-assigned by the operating system when DHCP attempts fail. Because no lease is obtained, no default gateway or DNS servers are provided either, which explains why the workstation cannot reach the file server. Link lights confirm the cable and switch port are working, so the next step is to investigate the DHCP server, scope, or relay.

Exam trap

The trap here is focusing on the file server or DNS when the link-local address already proves the workstation never received a valid IP configuration.

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13

MCQmedium

A technician is installing RAM in a desktop computer. The motherboard supports dual-channel memory. Which memory configuration will provide the BEST performance?

A.One 8 GB and one 4 GB DDR4 module

B.Two 8 GB DDR4 modules in matching slots for dual-channel

C.Two 8 GB DDR4 modules in the same channel

D.One 16 GB DDR4 module

AnswerB

Dual-channel mode requires matched modules in the paired slots, letting the memory controller interleave two 64-bit channels into a 128-bit aggregate path. Two identical 8 GB DDR4 modules therefore double theoretical bandwidth versus a single module, satisfying the best-performance constraint.

Why this answer

Dual-channel memory requires two identical memory modules installed in matching slots to double the memory bandwidth.

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14

MCQhard

An IT administrator is setting up a virtualization server to run multiple operating systems. The server will host critical business applications and requires maximum performance and reliability. Which type of hypervisor should the administrator choose?

A.Hosted hypervisor like VirtualBox

B.Type 1 hypervisor, such as VMware ESXi

C.Containerization platform like Docker

D.Type 2 hypervisor, such as VMware Workstation

AnswerB

A Type 1 hypervisor runs directly on the host hardware, so guest operating systems bypass an underlying OS and gain lower latency plus fewer failure points. That bare-metal architecture satisfies the maximum performance and reliability demanded by critical business applications.

Why this answer

A Type 1 (bare-metal) hypervisor like VMware ESXi runs directly on the host hardware without an underlying OS, giving it direct access to CPU, memory, and I/O resources. This architecture delivers the lowest virtualization overhead, highest performance, and best reliability — critical for hosting business-critical applications. Type 1 hypervisors also offer advanced features like vMotion, HA, and resource pools that enterprises rely on.

Exam trap

FC0-U71 often tests whether candidates can distinguish Type 1 vs Type 2 hypervisors and whether they mistakenly treat containerization (Docker) as a hypervisor — picking Docker for 'multiple operating systems' is the classic error.

How to eliminate wrong answers

Option A is wrong because a hosted (Type 2) hypervisor like VirtualBox runs on top of a general-purpose OS, adding overhead and reducing performance and reliability — unsuitable for critical production workloads. Option C is wrong because Docker is a containerization platform, not a hypervisor; containers share the host OS kernel and provide process isolation rather than full VM isolation, so they cannot run multiple different OS kernels and lack the hardware-level isolation a hypervisor provides. Option D is wrong because VMware Workstation is a Type 2 hypervisor that requires a host OS (Windows/Linux), introducing overhead and making it inappropriate for a dedicated high-performance virtualization server.

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15

Multi-Selectmedium

A network administrator is documenting the physical topology of a new office. The design uses a central switch with a dedicated cable to every desk, and the administrator wants to describe the strengths of this layout. Which TWO characteristics accurately describe this topology? (Choose two.)

Select 2 answers

A.Adding a new workstation requires breaking the existing cable path

B.All devices share a single common backbone cable

C.Data travels in one direction around a closed loop

D.A single cable failure affects only the device connected to that cable

E.The central switch is a single point of failure for the network

AnswersD, E

In a star topology, each endpoint has its own dedicated link to the central switch. If one cable is cut or a connector fails, only that workstation loses connectivity while all other devices continue communicating normally. This fault isolation is a key advantage of the star layout in office environments.

Why this answer

A star topology connects every device to a central switch through its own dedicated cable. This design isolates faults to individual links, so one damaged cable affects only that workstation. The trade-off is that the central switch becomes a single point of failure for the whole network.

Shared backbones, cable-path interruptions, and looped traffic describe bus and ring topologies instead.

Exam trap

The trap here is confusing the star's per-device fault isolation with the bus topology's shared-cable vulnerability.

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16

MCQeasy

A technician is setting up a new wireless router for a home office. The user wants to ensure that devices can connect using the latest standard for better speed and reduced interference. Which wireless standard should the technician configure the router to use?

A.802.11n

B.802.11g

C.802.11ac

D.802.11ax

AnswerD

802.11ax, also known as Wi-Fi 6, is the latest widely adopted wireless standard. It offers higher speeds, better performance in crowded areas, and improved efficiency through technologies like OFDMA and MU-MIMO. Configuring the router to use 802.11ax provides the best current balance of speed and reduced interference.

Why this answer

802.11ax, or Wi-Fi 6, is the latest mainstream wireless standard, offering improved speed, efficiency, and reduced interference compared to older standards. It is designed for environments with many devices and provides better performance. Configuring the router to use 802.11ax ensures the home office benefits from current wireless technology.

Exam trap

The trap here is selecting a familiar but older standard like 802.11ac instead of the latest 802.11ax when the goal is current performance.

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17

MCQmedium

A company issues smartphones to employees and needs to enforce security policies such as remote wipe and mandatory encryption. Which technology should the IT department implement?

A.Antivirus software

B.VPN

C.MDM

D.Firewall

AnswerC

MDM centrally enforces device policies such as mandatory encryption and remote wipe across enrolled smartphones. It satisfies the requirement to apply security controls to company-issued devices, unlike standalone antivirus or VPN tools that do not manage device configuration.

Why this answer

Mobile Device Management (MDM) is the correct technology because it provides centralized policy enforcement for smartphones, including remote wipe, mandatory encryption, passcode requirements, and app management. MDM agents on the device check in with the MDM server (e.g., Intune, Jamf, Workspace ONE) and apply configuration profiles that enforce these controls. This directly matches the stated requirements.

Exam trap

FC0-U71 often tests the confusion between MDM and VPN/antivirus, tricking candidates into picking a security tool that only addresses one aspect (malware or transit) instead of centralized device policy management.

How to eliminate wrong answers

Option A is wrong because antivirus software only detects and remediates malware; it cannot enforce encryption, remote wipe, or device-wide security policies. Option B is wrong because a VPN only secures data in transit between the device and a private network; it does not manage device configuration or enable remote wipe. Option D is wrong because a firewall filters network traffic at a boundary or host level and has no capability to enforce endpoint security policies or perform remote wipe.

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18

MCQhard

A gaming enthusiast is building a new PC. They want to install a dedicated graphics card, a network interface card, and a sound card. Which type of expansion slot on the motherboard should these cards be inserted into?

A.SATA

B.M.2

C.PCI

D.PCIe

AnswerD

PCIe provides the high-bandwidth serial lanes these add-in cards require, and is the modern expansion standard found on current motherboards. Legacy PCI or AGP slots cannot match its throughput or availability, so PCIe satisfies the need for dedicated graphics, network and sound card installation.

Why this answer

PCIe (Peripheral Component Interconnect Express) is the modern standard expansion slot for high-performance add-in cards like graphics cards, network interface cards, and sound cards. It provides high bandwidth and is backward compatible with PCI. Thus, D is correct.

Exam trap

FC0-U71 often tests the confusion between PCI and PCIe; candidates may choose PCI because it's a known expansion slot, but PCIe is the correct modern standard.

How to eliminate wrong answers

Option A is wrong because SATA is a storage interface for connecting hard drives and SSDs, not an expansion slot for add-in cards. Option B is wrong because M.2 is a form factor for SSDs and other small devices, not for full-sized expansion cards. Option C is wrong because PCI is an older standard, slower than PCIe, and not typically used for modern graphics cards; while some older cards may fit, PCIe is the current standard.

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19

Multi-Selectmedium

A user wants to upgrade their computer's RAM for better performance. Which of the following are characteristics of DDR4 and DDR5 RAM? (Select THREE).

Select 3 answers

A.DDR5 operates at a lower voltage than DDR4

B.Dual channel configuration can improve memory performance

C.DDR4 and DDR5 use the same physical slot

D.DDR5 has higher data transfer rates than DDR4

E.DDR4 is backward compatible with DDR3 slots

AnswersA, B, D

DDR5 runs at 1.1 V versus DDR4's 1.2 V, satisfying the stem's request for a genuine generational characteristic. This reduced voltage, combined with DDR5's on-module power management IC, lowers overall power draw — a defining architectural difference from DDR4, not merely a speed increase.

Why this answer

Option A is correct because DDR5 runs at a lower nominal voltage (1.1 V) than DDR4 (1.2 V), reducing power consumption. Option B is correct because installing memory in matched pairs across two channels (dual channel) increases the effective memory bus width and improves bandwidth and overall performance. Option D is correct because DDR5 delivers higher data transfer rates than DDR4, with DDR5 starting around 4800 MT/s versus DDR4's typical 2133–3200 MT/s.

Option C is incorrect because DDR4 and DDR5 have different keying/notch positions and are not physically interchangeable. Option E is incorrect because DDR4 is not backward compatible with DDR3 slots; the modules are keyed differently and use incompatible signaling and voltages.

Exam trap

FC0-U71 often tests whether candidates incorrectly assume newer RAM is backward compatible with older slots — the trap is picking 'DDR4 is backward compatible with DDR3' or 'DDR4 and DDR5 share slots,' when in fact each generation has a unique notch and voltage.

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20

MCQeasy

A user reports that their desktop computer takes a long time to start up and frequently freezes. A technician suspects the storage drive is failing. Which of the following steps should the technician take FIRST to diagnose the issue?

A.Replace the hard drive with a solid-state drive.

B.Check the computer's RAM usage in Task Manager.

C.Run the manufacturer's diagnostic utility to check the drive's health.

D.Reinstall the operating system.

AnswerC

Running the manufacturer's diagnostic utility provides definitive information about the drive's condition, such as SMART status and error rates. This is a non-destructive first step that helps confirm whether the drive is the root cause. If the tool reports failures, the technician can proceed with replacement; if not, other causes must be investigated.

Why this answer

Running the manufacturer's diagnostic utility is the correct first step because it directly tests the suspected failing component without making changes. It provides actionable data about the drive's health, allowing the technician to make an informed decision. Other options either skip diagnosis or address different components, which could lead to unnecessary work.

Exam trap

The trap here is assuming that slow performance always means the drive must be replaced immediately, rather than confirming the failure with diagnostics first.

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21

MCQmedium

A user wants to upgrade their desktop's storage from a traditional hard drive to a faster drive that connects directly to the motherboard without cables. Which storage interface should they choose?

A.External USB drive

B.SATA SSD

C.SATA hard drive

D.NVMe M.2

AnswerD

NVMe M.2 drives slot directly into a motherboard M.2 connector, drawing power and data over the PCIe bus with no cabling. SATA drives need separate data and power cables, so NVMe M.2 satisfies the cable-free, faster-storage requirement.

Why this answer

NVMe M.2 drives plug directly into an M.2 slot on the motherboard, requiring no data or power cables, and use the PCIe bus for far higher throughput than SATA. This matches the user's requirement of a fast drive that connects directly to the motherboard without cables. M.2 NVMe is the standard choice for modern desktop storage upgrades where cable-free installation and maximum speed are priorities.

Exam trap

The trap here is conflating the M.2 form factor with the NVMe protocol — candidates may pick 'SATA SSD' thinking any SSD is fast, or assume M.2 always means NVMe, when the question specifically rewards the cable-free, motherboard-mounted NVMe option.

How to eliminate wrong answers

Option A is wrong because an external USB drive connects via a cable to an external port and is typically slower than internal drives, directly contradicting the 'no cables' requirement. Option B is wrong because a SATA SSD still requires both a SATA data cable and a power cable from the PSU, so it does not meet the cable-free criterion. Option C is wrong because a SATA hard drive is a traditional spinning disk that is slower than SSDs and also requires SATA data and power cables.

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22

MCQeasy

A small office has five computers that need to share files and a printer. Which type of network should be set up?

A.PAN

B.LAN

C.WAN

D.MAN

AnswerB

A LAN spans a single limited area such as an office, connecting the five computers and printer so they can share files and peripherals directly. This matches the small-office scope and resource-sharing requirement stated in the scenario.

Why this answer

A LAN (Local Area Network) is designed for a single, contained environment such as a small office, home, or single building, and is exactly the right scope for five computers sharing files and a printer. It provides high-speed connectivity over short distances using Ethernet or Wi-Fi, typically through a single switch or router. This matches the requirement of a small, localized group of devices sharing resources.

Exam trap

The trap here is confusing network scope acronyms (PAN/LAN/MAN/WAN) by size rather than by purpose — candidates sometimes pick WAN or MAN thinking 'more coverage is better,' when the question is really testing whether you recognize a single-office scenario as a LAN.

How to eliminate wrong answers

Option A is wrong because a PAN (Personal Area Network) covers only a few meters around one person (e.g., Bluetooth headset to phone) and is not intended for multi-user office file and printer sharing. Option C is wrong because a WAN (Wide Area Network) spans large geographic areas like cities or countries and is far too broad and expensive for a five-computer office. Option D is wrong because a MAN (Metropolitan Area Network) covers a city or campus-sized area, which is overkill for a single small office.

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23

MCQhard

A small business office has a network where each device is connected to a central switch. If the switch fails, all devices lose connectivity. Which network topology does this describe?

A.Bus topology

B.Mesh topology

C.Star topology

D.Ring topology

AnswerC

A star topology connects every device to a central switch, so the switch is a single point of failure: if it fails, all connected devices lose connectivity simultaneously. This directly matches the scenario's described constraint, where one switch failure disrupts the entire office network.

Why this answer

In a star topology, every device connects to a central device such as a switch or hub, and all traffic passes through that central point. If the central switch fails, every connected device loses connectivity simultaneously, which matches the scenario described. This single point of failure is the defining characteristic of a star topology.

Exam trap

The trap here is confusing the star topology's central switch with a bus topology's shared backbone, since both can cause widespread outages when the central component fails; candidates must recognize that a switch at the center defines a star, not a bus.

How to eliminate wrong answers

Option A is wrong because a bus topology uses a single shared backbone cable with terminators at each end; a failure of one device or a break in the backbone affects the segment, but there is no central switch whose failure disconnects all nodes. Option B is wrong because a mesh topology interconnects nodes with redundant paths, so a single device or link failure does not isolate all devices. Option D is wrong because a ring topology passes data token-style around a closed loop; a single node or link failure can break the ring, but there is no central switch whose failure causes total loss of connectivity.

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24

MCQmedium

A small design studio needs a central device so five wired workstations and two networked printers can exchange data with each other on the same local network. The studio does not need any routing between separate networks. Which device is the best choice?

A.A wireless access point

B.A router

C.A firewall

D.A switch

AnswerD

A switch provides multiple wired ports and forwards frames between devices on the same local network, which is exactly what the studio needs for workstations and printers to exchange data. It does not route between separate networks, matching the stated requirement that no routing is necessary.

Why this answer

A switch is the appropriate central device for a single local network with multiple wired endpoints. It forwards frames between connected devices and provides enough ports for the workstations and printers. A router, firewall, or access point does not fulfill the role of aggregating several wired devices on one segment.

Exam trap

The trap here is assuming any central network box will work, when a router or access point does not provide the multiple LAN ports a wired-only local segment requires.

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25

MCQeasy

A technician is upgrading a desktop computer's memory. Which component would the technician most likely replace to improve system performance using dual-channel architecture?

A.GPU

B.Storage drive

C.CPU

D.RAM

AnswerD

Dual-channel architecture requires matched memory modules installed in paired slots, so adding or replacing RAM in the correct slot pairs doubles the memory bus width. The technician therefore replaces RAM, not the CPU or storage.

Why this answer

RAM is correct because dual-channel architecture requires installing memory modules in matched pairs in specific slots on the motherboard, which doubles the memory bandwidth. Upgrading RAM by adding a second matching module enables dual-channel operation, improving system performance for memory-intensive tasks. The question asks which component to replace to improve performance using dual-channel architecture, and RAM is the only component that directly relates to dual-channel memory.

Exam trap

The trap is that candidates may think any upgrade improves performance, but the question specifically mentions dual-channel architecture, which is a RAM feature, not a CPU or GPU feature.

How to eliminate wrong answers

Option A is wrong because the GPU is a graphics processor and does not participate in dual-channel memory architecture; upgrading it improves graphics performance, not memory bandwidth. Option B is wrong because the storage drive affects data storage and retrieval speed, not memory channel architecture. Option C is wrong because the CPU is the central processor and does not determine dual-channel memory operation, although it supports it.

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26

MCQmedium

A user's home wireless network is experiencing interference. Which frequency band is more prone to interference from devices like microwaves and cordless phones?

A.60 GHz

B.5 GHz

C.900 MHz

D.2.4 GHz

AnswerD

The 2.4 GHz band shares spectrum with microwaves, cordless phones and Bluetooth, so these devices emit radio waves on overlapping frequencies and disrupt Wi-Fi transmissions. Its narrower channel width and longer wavelength also increase the likelihood of collisions with nearby networks.

Why this answer

The 2.4 GHz frequency band is more prone to interference from common household devices like microwaves, cordless phones, and Bluetooth devices because these devices operate in the same unlicensed ISM band. This band is crowded and only has three non-overlapping channels (1, 6, and 11), making it susceptible to signal degradation. In contrast, 5 GHz and 60 GHz bands are less congested and have more channels, reducing interference.

Exam trap

FC0-U71 often tests the misconception that higher frequency bands like 5 GHz are more prone to interference, when in fact lower frequency bands like 2.4 GHz are more susceptible due to overlapping with common household devices.

How to eliminate wrong answers

Option A is wrong because 60 GHz is a high-frequency band with very short range and is not typically affected by microwave ovens or cordless phones, which operate at lower frequencies. Option B is wrong because 5 GHz is less prone to interference from such devices; it offers more non-overlapping channels and is not used by most household appliances. Option C is wrong because 900 MHz is used by some cordless phones and other devices, but it is not the standard Wi-Fi band and is less commonly associated with interference in home wireless networks compared to 2.4 GHz.

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27

MCQhard

A company is virtualizing several physical servers onto one host. The administrator wants to isolate each virtual machine so that a crash or resource spike in one does not affect the others, while still sharing the physical CPU and memory. Which technology should the administrator rely on?

A.A load balancer

B.A hypervisor

C.A RAID controller

D.A network switch

AnswerB

A hypervisor creates and manages virtual machines, allocating physical CPU, memory, and storage to each guest while keeping them isolated from one another. It is the core technology that allows multiple VMs to share one host safely. This directly meets the requirement to isolate workloads on shared hardware.

Why this answer

Virtual machines share a host's CPU and memory through a hypervisor, which enforces isolation so one VM's crash or resource spike does not disrupt the others. RAID, switches, and load balancers serve storage, networking, and traffic distribution roles respectively, but none of them virtualizes compute resources.

Exam trap

The trap here is assuming that any infrastructure component involved in a virtualized environment, such as a switch or RAID controller, is what enables the virtual machines themselves.

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28

MCQmedium

Which of the following Wi-Fi standards operates on the 5 GHz band and provides the fastest theoretical speeds?

A.802.11g

B.802.11ax

C.802.11ac

D.802.11n

AnswerB

802.11ax (Wi-Fi 6) operates on both 2.4 GHz and 5 GHz bands and delivers the highest theoretical throughput of the listed standards, using OFDMA and higher-order modulation. This satisfies the question's requirement for the fastest speeds on the 5 GHz band.

Why this answer

IEEE 802.11ax (marketed as Wi-Fi 6 and Wi-Fi 6E) is the newest standard listed and delivers the fastest theoretical throughput, up to roughly 9.6 Gbps, while operating on both 2.4 GHz and 5 GHz bands (and 6 GHz for Wi-Fi 6E). It introduces OFDMA, MU-MIMO, and 1024-QAM to boost efficiency and speed in dense environments. This makes it the correct answer for 'fastest theoretical speeds on the 5 GHz band.'

Exam trap

The trap is that 802.11ac is also a 5 GHz standard with impressive speeds, so candidates who don't know the chronological order (n → ac → ax) pick ac as 'fastest' — remember ax is newer and faster than ac.

How to eliminate wrong answers

Option A is wrong because 802.11g is an older 2.4 GHz-only standard with a maximum theoretical rate of just 54 Mbps. Option C is wrong because 802.11ac (Wi-Fi 5) is 5 GHz-only and tops out around 6.9 Gbps — fast, but slower than 802.11ax. Option D is wrong because 802.11n (Wi-Fi 4) supports both 2.4 and 5 GHz but maxes out around 600 Mbps, far below 802.11ax.

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29

MCQeasy

Which of the following storage interfaces provides the fastest data transfer speeds?

A.USB 3.0

B.SATA

C.NVMe M.2

D.Ethernet

AnswerC

NVMe M.2 drives communicate directly over the PCIe bus using the NVMe protocol, bypassing the SATA/AHCI controller bottleneck. This yields far higher throughput and lower latency than SATA SSDs or magnetic drives, satisfying the fastest-transfer requirement.

Why this answer

NVMe M.2 is correct because it uses the PCIe bus directly, bypassing the SATA interface and AHCI protocol, which allows much higher throughput and lower latency. Typical NVMe drives reach sequential read speeds of 3,500 MB/s or more on PCIe 3.0 and over 7,000 MB/s on PCIe 4.0, far exceeding SATA III's 600 MB/s ceiling. This makes NVMe M.2 the fastest storage interface among the options for direct-attached storage.

Exam trap

The trap is confusing the M.2 form factor with the NVMe protocol; candidates may pick SATA because they see M.2 drives that are SATA, but the question asks for the fastest interface, which is NVMe.

How to eliminate wrong answers

Option A is wrong because USB 3.0 has a theoretical maximum of 5 Gbps (about 625 MB/s), which is slower than NVMe and is a general-purpose external bus, not a primary internal storage interface. Option B is wrong because SATA III caps at 6 Gbps (about 600 MB/s) and uses the older AHCI protocol with a single command queue, making it significantly slower than NVMe. Option D is wrong because Ethernet is a networking interface, not a storage interface, and even 10GbE is used for network-attached storage, not direct internal drive connections.

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30

MCQmedium

A user reports that their smartphone battery drains quickly and the device feels warm. The user recently installed several apps. Which built-in smartphone feature can help identify the cause?

A.Accelerometer

B.Battery usage monitor

C.GPS

D.NFC

AnswerB

Android and iOS battery usage screens break consumption down per app, exposing which recently installed app is running in the background and keeping the CPU awake. That directly identifies the culprit behind the rapid drain and warmth described.

Why this answer

The battery usage monitor built into Android and iOS shows per-app battery consumption and identifies which apps are draining power or causing the device to run warm. Since the user recently installed several apps, this feature directly correlates the symptom to the culprit. It also reports background activity, screen-on time, and CPU usage per app.

Exam trap

The trap is confusing sensors and communication features (accelerometer, GPS, NFC) with diagnostic utilities — the exam expects you to recognize that only the battery usage monitor is designed to identify power-draining apps.

How to eliminate wrong answers

Option A is wrong because an accelerometer measures motion and orientation (e.g., for screen rotation or step counting) and has no role in diagnosing battery drain. Option C is wrong because GPS is a location sensor; while location services can drain battery, GPS itself is not a diagnostic feature — the battery monitor is what reveals whether GPS is being overused. Option D is wrong because NFC is a short-range communication protocol for contactless payments and pairing, not a diagnostic tool for battery or thermal issues.

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31

MCQmedium

A user wants to synchronize contacts, calendars, and photos between their Android smartphone and tablet. Which of the following methods would best accomplish this?

A.Configure Google account sync

B.Pair via Bluetooth

C.Use a USB cable to transfer files

D.Use an SD card

AnswerA

Configuring the Google account on both devices syncs contacts, calendars and photos through Google's cloud services, which Android integrates natively. This satisfies the requirement to synchronise all three data types across the smartphone and tablet without manual transfers.

Why this answer

Configuring a Google account sync on both Android devices automatically synchronizes contacts, calendars, and photos via the cloud. This is the most efficient method for keeping data consistent across multiple devices. Thus, A is correct.

Exam trap

FC0-U71 often tests the difference between synchronization and manual transfer; candidates may choose Bluetooth or USB, but those are not automatic sync methods.

How to eliminate wrong answers

Option B is wrong because Bluetooth pairing is for local file transfers and peripheral connections, not for continuous synchronization of contacts and calendars. Option C is wrong because using a USB cable requires manual file transfers and does not provide automatic sync. Option D is wrong because using an SD card involves manual copying and is not a synchronization method.

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32

MCQmedium

An organization issues smartphones to employees and needs to enforce security policies such as remote wipe and mandatory encryption. Which technology should be used to manage these devices centrally?

A.VPN

B.NAT

C.MDM

D.DNS

AnswerC

MDM centrally enforces device-level policies on enrolled smartphones, delivering remote wipe and mandatory encryption through configuration profiles pushed over the air. It satisfies the stem's requirement to manage organisation-issued devices centrally, unlike solutions scoped to applications or identity only, such as Microsoft Entra ID conditional access.

Why this answer

Mobile Device Management (MDM) is the centralized platform for enrolling, configuring, and securing employee smartphones. It enforces policies such as mandatory encryption, passcode requirements, and remote wipe, and it can push configuration profiles and certificates to devices over the air. VPN, NAT, and DNS do not provide device policy enforcement or remote management capabilities.

Exam trap

FC0-U71 often tests the confusion between network security technologies (VPN, NAT, DNS) and endpoint management platforms (MDM), tricking candidates who focus on 'security' rather than 'centralized device management'.

How to eliminate wrong answers

Option A is wrong because a VPN only provides encrypted network tunneling for data in transit; it cannot enforce device encryption, remote wipe, or application policies. Option B is wrong because NAT translates private IP addresses to public ones for internet access and has no device management function. Option D is wrong because DNS resolves domain names to IP addresses and is unrelated to endpoint security policy enforcement.

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33

MCQeasy

A user reports that their laptop battery drains quickly even when the device is plugged into a wall outlet. The technician notices the charging LED is off and the battery percentage slowly decreases. Which component is most likely faulty?

A.The battery cell

B.The keyboard backlight

C.The AC adapter or charging circuit

D.The display panel

AnswerC

If the adapter, cable, or internal charging circuit fails, the laptop receives no power from the wall and continues running on battery until depleted. The unlit charging LED supports this diagnosis because the system is not detecting external power. Testing with a known-good adapter is the appropriate next step.

Why this answer

When a laptop runs on battery despite being plugged in, the charging path is interrupted. A failed AC adapter, damaged cable, or faulty internal charging circuit prevents power from reaching the battery, which explains both the unlit LED and the declining charge. Battery cells, display, and keyboard backlight do not block AC power delivery and would present different symptoms.

Exam trap

The trap here is blaming the battery for fast drain when the real symptom, no charging while plugged in, points to the power delivery path.

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34

MCQmedium

A company is setting up a new office and needs to connect multiple computers within the same building to share files and printers. Which type of network should they implement?

A.WAN

B.LAN

C.PAN

D.WLAN

AnswerB

A LAN connects computers within one building so they can share files and printers, matching the office scenario exactly. Ethernet or Wi-Fi provides the local connectivity. A WAN or MAN would span beyond the building, which the stem does not require.

Why this answer

A LAN (Local Area Network) connects devices within a single building or campus to share files, printers, and other resources. The scenario describes multiple computers in one building sharing resources, which is the textbook definition of a LAN. WANs span large geographic areas, PANs are personal-range, and WLANs are wireless-specific.

Exam trap

The trap is choosing WLAN because modern offices often use Wi-Fi, but the question asks for the general network type for a building, which is LAN regardless of medium.

How to eliminate wrong answers

Option A is wrong because a WAN spans broad geographic areas like cities or countries and is used to connect multiple LANs, not devices within one building. Option C is wrong because a PAN covers a very small area around a single person, such as Bluetooth devices, not an office of computers. Option D is wrong because a WLAN is a wireless LAN; while it could apply, the question does not specify wireless, and LAN is the broader correct answer for a wired office network.

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35

MCQeasy

A user wants to upgrade their desktop computer's storage for faster boot times. Which of the following storage interfaces would provide the fastest performance?

A.NVMe M.2 SSD

B.SATA HDD

C.SATA SSD

D.External USB 3.0 HDD

AnswerA

NVMe M.2 SSDs communicate directly over the PCIe bus rather than through the SATA controller, delivering far higher throughput and lower latency. This directly satisfies the stem's requirement for faster boot times, since the operating system's random read operations benefit most from reduced access latency.

Why this answer

NVMe M.2 SSDs communicate directly over the PCIe bus using the NVMe protocol, bypassing the legacy SATA/AHCI stack and delivering sequential read speeds of 3,000–7,000+ MB/s. This dramatically reduces boot times compared to SATA-based storage, which is capped at roughly 550 MB/s. For a desktop upgrade focused on faster boot, NVMe M.2 is the highest-performance interface listed.

Exam trap

The trap here is confusing form factor with interface — candidates may assume any M.2 drive is NVMe, but M.2 slots can also run SATA, so the correct answer hinges on the NVMe protocol, not the physical shape.

How to eliminate wrong answers

Option B is wrong because a SATA HDD is a spinning magnetic disk with mechanical seek latency and typical throughput under 200 MB/s — the slowest option for boot performance. Option C is wrong because although a SATA SSD is fast, it is bottlenecked by the SATA III interface at ~550 MB/s and cannot match NVMe's PCIe throughput. Option D is wrong because an external USB 3.0 HDD is both mechanical and constrained by the USB 3.0 bus (~5 Gbps theoretical, far less in practice) plus USB protocol overhead, making it unsuitable as a boot drive.

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36

Multi-Selecthard

A network administrator is designing a new office network. Which THREE factors should be considered when choosing between 2.4 GHz and 5 GHz Wi-Fi bands?

Select 3 answers

A.Cellular compatibility

B.Speed

C.Interference

D.Number of devices

E.Range

AnswersB, C, E

Speed differs by band: 5 GHz supports wider channels and higher throughput, while 2.4 GHz offers slower maximum data rates. This satisfies the scenario's requirement to weigh throughput when choosing a band for the office network, alongside range and interference considerations.

Why this answer

Option B (Speed) is correct because the 5 GHz band offers wider channels (up to 80/160 MHz) and higher throughput than the narrower 2.4 GHz channels, making data rate a key decision factor. Option C (Interference) is correct because 2.4 GHz is crowded by overlapping channels, Bluetooth, microwaves, and neighboring APs, while 5 GHz has many more non-overlapping channels and thus less interference. Option E (Range) is correct because 2.4 GHz signals penetrate walls and travel farther due to longer wavelengths, whereas 5 GHz has shorter range, so coverage requirements must guide band selection.

Option A (Cellular compatibility) is not a Wi-Fi band selection factor since cellular operates on licensed spectrum independent of 2.4/5 GHz WLAN design. Option D (Number of devices) is not a direct differentiator between the bands, as client capacity depends more on AP density, channel width, and airtime than on the band itself.

Exam trap

FC0-U71 often tests whether candidates can distinguish band characteristics from unrelated networking factors — cellular compatibility and device count are distractors that sound plausible but do not define the 2.4 vs 5 GHz trade-off.

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37

Multi-Selecthard

An IT administrator is configuring a virtualized environment on a single server. The administrator needs to allocate resources to multiple virtual machines. Which THREE of the following are resources that can be allocated to a VM? (Select THREE.)

Select 3 answers

A.Virtual storage

B.vCPU

C.Physical GPU

D.vRAM

E.Hypervisor license

AnswersA, B, D

Virtual storage is a provisioned resource: the hypervisor presents each VM with virtual disks backed by physical datastore capacity. This satisfies the stem's requirement to allocate resources across multiple VMs, since disk capacity is partitioned independently per guest.

Why this answer

Virtual storage (A) is a resource that can be allocated to a VM, since the hypervisor presents virtual disks (VMDK, VHDX, qcow2) backed by datastores or storage pools to each guest. vCPU (B) is correct because virtual CPUs are assigned to a VM from the host's physical cores/threads, defining its compute capacity. vRAM (D) is correct because memory is a core allocatable resource, with each VM configured for a specific amount of guest RAM. Physical GPU (C) is not a standard allocatable VM resource in a basic single-server setup; GPUs require passthrough or vGPU technologies and are not a general resource like CPU, RAM, or storage. Hypervisor license (E) is not a resource allocated to a VM; it is a software licensing concern for the host platform, not a consumable assigned to guests.

Exam trap

The trap is selecting 'physical GPU' because GPUs can be virtualized, but the question asks for standard per-VM allocatable resources, where vCPU, vRAM, and virtual storage are the correct trio.

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38

MCQhard

An IT administrator needs to deploy a new application to 50 company-owned smartphones. The devices are managed by a central console that can enforce policies, install apps, and wipe data remotely. Which technology is being used?

A.Mobile Device Management (MDM)

B.Google Account Sync

C.Synchronisation

D.iCloud

AnswerA

Mobile Device Management provides exactly the central console described: policy enforcement, application deployment, and remote wipe across enrolled smartphones. It satisfies the requirement to manage 50 company-owned devices centrally. MDM agents on each device maintain the management channel, enabling remote configuration and data removal.

Why this answer

Mobile Device Management (MDM) is the technology that allows an IT administrator to centrally manage and secure mobile devices like smartphones and tablets. MDM solutions provide features such as policy enforcement, remote app installation, and remote wipe, which match the scenario exactly. The central console described is typical of MDM software (e.g., Microsoft Intune, VMware Workspace ONE).

Thus, MDM is the correct answer.

Exam trap

The trap here is confusing consumer sync services (like Google Account Sync or iCloud) with enterprise-grade MDM, which offers centralized control, policy enforcement, and remote management features that sync services lack.

How to eliminate wrong answers

Option B is wrong because Google Account Sync is a consumer service for syncing personal data (contacts, calendar, etc.) across devices, not for centralized enterprise management or policy enforcement. Option C is wrong because 'Synchronisation' is a generic term for keeping data consistent across devices, lacking the management, security, and remote control capabilities described. Option D is wrong because iCloud is Apple's consumer cloud service for syncing and backup, not an enterprise MDM solution; it does not provide central policy enforcement or remote app deployment across a fleet of devices.

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39

MCQeasy

A user reports that their desktop computer powers on, the fans spin, but the monitor shows no signal and there are no beep codes. A technician notices the monitor's cable is connected to a port on the motherboard, but the computer has a dedicated graphics card installed. Which of the following is the MOST likely explanation?

A.The power supply unit is failing and cannot provide enough wattage to the graphics card.

B.The monitor is defective and needs to be replaced.

C.The monitor cable is connected to the motherboard's integrated video port instead of the discrete graphics card's port.

D.The RAM is not seated properly, preventing the system from completing POST.

AnswerC

When a dedicated graphics card is installed, many motherboards disable integrated video output. Connecting the display to the motherboard port while the card is active results in no signal, even though the system powers on normally. Moving the cable to the graphics card's output typically restores the display immediately.

Why this answer

The system powers on and fans spin, indicating power and basic operation, but no video appears because the display cable is attached to the motherboard's video port. When a dedicated graphics card is present, integrated video is often disabled, so the motherboard port produces no signal. Connecting the monitor to the graphics card's output resolves the issue.

Exam trap

The trap here is assuming a no-signal condition always means a hardware failure rather than a simple cabling mistake to the wrong video output.

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40

MCQhard

An IT technician is setting up a virtualized server environment. The server will host multiple virtual machines for different departments. Which type of hypervisor should the technician install directly on the server hardware to maximize performance and resource efficiency?

A.Containerization platform

B.Dual-boot configuration

C.Type 1 hypervisor

D.Type 2 hypervisor

AnswerC

A Type 1 hypervisor runs directly on the bare-metal server hardware, so it bypasses a host operating system entirely. This removes the intervening OS layer, cutting virtualisation overhead and giving each VM more direct access to CPU and memory, which satisfies the stem's demand for maximum performance and resource efficiency.

Why this answer

A Type 1 hypervisor (bare-metal) runs directly on the server hardware without an underlying host OS, giving VMs direct access to CPU, memory, and I/O resources. This architecture minimizes overhead and maximizes performance and resource efficiency, which is exactly what a multi-VM production server environment requires. Examples include VMware ESXi, Microsoft Hyper-V (Server role), and KVM.

Exam trap

The trap here is confusing containerization with virtualization — candidates see 'multiple workloads on one server' and pick containerization, forgetting that containers share the host kernel and are not hypervisors.

How to eliminate wrong answers

Option A is wrong because containerization platforms (e.g., Docker) share the host OS kernel and are not hypervisors — they virtualize at the OS level, not the hardware level, and cannot host full VMs with independent kernels. Option B is wrong because dual-boot is not virtualization at all; it allows only one OS to run at a time, so it cannot host multiple concurrent VMs. Option D is wrong because a Type 2 hypervisor (e.g., VirtualBox, VMware Workstation) runs on top of a host OS, adding an extra abstraction layer that reduces performance and resource efficiency compared to bare-metal.

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41

MCQhard

An IT administrator needs to deploy a virtual machine (VM) on a server that will host multiple operating systems. The administrator wants the VM to have dedicated resources and minimal overhead. Which type of hypervisor should be installed on the server?

A.Container engine

B.Hosted hypervisor

C.Type 2 hypervisor

D.Type 1 hypervisor

AnswerD

A Type 1 hypervisor runs directly on the server hardware, so each guest OS gets dedicated CPU and memory with minimal virtualisation overhead. Type 2 runs atop a host OS, adding latency and resource contention — unsuitable when multiple operating systems must share the server efficiently.

Why this answer

A Type 1 hypervisor runs directly on the host's hardware, providing dedicated resources and minimal overhead because it does not rely on an underlying operating system. This makes it ideal for hosting multiple operating systems with high performance and efficiency. Type 1 hypervisors are also known as bare-metal hypervisors.

Exam trap

FC0-U71 often tests the distinction between Type 1 and Type 2 hypervisors; candidates may confuse 'hosted' with 'Type 1' or overlook that Type 1 is also called bare-metal.

How to eliminate wrong answers

Option A is wrong because a container engine (e.g., Docker) is not a hypervisor; it provides OS-level virtualization, sharing the host kernel, which does not meet the requirement for dedicated resources and minimal overhead for multiple operating systems. Option B is wrong because a hosted hypervisor is another term for Type 2 hypervisor, which runs on top of an existing OS and incurs additional overhead. Option C is wrong because a Type 2 hypervisor runs as an application on a host OS, adding overhead and not providing dedicated resources as efficiently as Type 1.

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42

MCQmedium

A technician is configuring a new workstation for video editing. Which of the following expansion cards would be MOST beneficial for improving video rendering performance?

A.TV tuner card

B.Network Interface Card (NIC)

C.Graphics processing unit (GPU)

D.Sound card

AnswerC

A discrete GPU offloads parallel rendering workloads from the CPU, dramatically accelerating video encoding and effects processing. Video editing software exploits GPU compute APIs such as CUDA, OpenCL or hardware encoders for this. This directly satisfies the stem's requirement for improved rendering performance, unlike sound, network or storage cards.

Why this answer

A Graphics Processing Unit (GPU) is specifically designed for parallel processing of graphics and video rendering tasks, making it the most beneficial expansion card for improving video rendering performance. Video editing and rendering workloads rely heavily on GPU acceleration for effects, encoding, and real-time preview. Adding a dedicated GPU offloads these tasks from the CPU and dramatically reduces render times.

Exam trap

FC0-U71 often tests the function of expansion cards — candidates may confuse a TV tuner card with a video capture or rendering card, but only a GPU accelerates video rendering performance.

How to eliminate wrong answers

Option A is wrong because a TV tuner card allows a computer to receive and decode television signals — it has no role in video rendering performance. Option B is wrong because a Network Interface Card provides network connectivity and does not accelerate video rendering. Option D is wrong because a sound card handles audio processing and output, not video rendering.

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43

MCQmedium

A user's laptop has a SATA SSD, and they want to upgrade to a faster storage solution. Which interface technology would provide the most significant performance improvement?

A.Hybrid drive (SSHD)

B.NVMe M.2

C.External USB 3.0 SSD

D.SATA M.2

AnswerB

NVMe M.2 drives communicate directly over the PCIe bus rather than the SATA AHCI interface, removing the roughly 600 MB/s SATA ceiling. This delivers the largest sequential and random throughput gain over the existing SATA SSD.

Why this answer

NVMe M.2 provides the most significant performance improvement because it communicates over PCIe lanes rather than the SATA bus, bypassing the AHCI controller and its ~600 MB/s ceiling. NVMe drives routinely exceed 3,000 MB/s and support deep parallel command queues (up to 64K queues with 64K commands each), dramatically reducing latency.

Exam trap

The trap is confusing form factor with interface — candidates see 'M.2' and assume it is always faster, but SATA M.2 is just a SATA SSD in a smaller shape.

How to eliminate wrong answers

Option A is wrong because a hybrid drive (SSHD) combines a small SSD cache with a spinning HDD — it is slower than a pure SATA SSD and offers no improvement over the existing SATA SSD. Option C is wrong because an external USB 3.0 SSD is limited by the USB 3.0 interface (~5 Gbps theoretical, ~400–500 MB/s real) and adds USB protocol overhead, making it slower than an internal SATA SSD in many cases. Option D is wrong because SATA M.2 uses the same SATA protocol and AHCI controller as the existing SATA SSD — it changes the form factor, not the performance ceiling, so throughput stays capped around 550 MB/s.

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44

MCQeasy

A home user wants to add a second monitor to a desktop PC that already uses its HDMI port for the primary display. The PC has a free DisplayPort connector on the graphics card. Which cable should the user connect from the new monitor to the PC?

A.A DisplayPort cable

B.A USB-C cable

C.An Ethernet cable

D.A VGA cable

AnswerA

A DisplayPort cable matches the free DisplayPort connector on the graphics card and the corresponding port on the new monitor. Using the matching digital interface avoids signal conversion issues and supports the display's native resolution. HDMI is already occupied by the primary monitor, so DisplayPort is the practical available connection here.

Why this answer

The user has a free DisplayPort connector on the graphics card, so a DisplayPort cable is the direct, correct match for connecting the second monitor. Ethernet carries network traffic, USB-C video depends on alternate mode support, and VGA is analog and likely unavailable on the card.

Exam trap

The trap here is assuming any available cable will work for video, when the connector type on the graphics card and monitor must match or be actively converted.

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45

MCQmedium

A user is experiencing slow Wi-Fi performance at home. The router supports both 2.4GHz and 5GHz bands. Which frequency band would provide faster speeds but shorter range?

A.NFC

B.2.4GHz

C.Bluetooth

D.5GHz

AnswerD

5GHz offers wider channels and higher throughput than 2.4GHz, satisfying the stem's demand for faster speeds. Its shorter wavelength attenuates more rapidly through walls and obstacles, giving the reduced range the question specifies. Microsoft Entra ID is irrelevant here; the deciding axis is frequency-dependent propagation and channel width.

Why this answer

The 5GHz band offers higher speeds but has shorter range and is less prone to interference compared to 2.4GHz.

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46

MCQeasy

Which of the following is an example of an output device?

A.Scanner

B.Mouse

C.Keyboard

D.Monitor

AnswerD

A monitor receives processed video data from the graphics adapter and presents it to the user, which is the defining role of an output device. Keyboards, mice and scanners instead send data into the system as input devices.

Why this answer

An output device receives processed data from a computer and presents it to the user in a human-readable or usable form. A monitor is a classic output device because it displays visual information such as text, images, and video generated by the computer's GPU. It does not send data into the computer; it only presents data outward to the user.

Exam trap

FC0-U71 often tests the misconception that any peripheral is an output device, when in fact most peripherals (keyboard, mouse, scanner) are input devices and only devices that present data to the user qualify as output.

How to eliminate wrong answers

Option A is wrong because a scanner is an input device — it captures physical documents or images and converts them into digital data sent to the computer. Option B is wrong because a mouse is an input device used to point, click, and send commands to the computer. Option C is wrong because a keyboard is an input device used to type characters and issue commands into the system.

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47

MCQmedium

A company wants to deploy a new wireless standard that offers higher throughput and better performance in dense environments. Which Wi-Fi standard should they choose?

A.802.11n (Wi-Fi 4)

B.802.11ax (Wi-Fi 6)

C.Bluetooth 5.0

D.802.11ac (Wi-Fi 5)

AnswerB

802.11ax (Wi-Fi 6) introduces OFDMA and MU-MIMO, letting one access point serve multiple clients simultaneously rather than contending for airtime. This directly satisfies the dense-environment constraint, where earlier standards such as 802.11ac degrade under high client counts. It also delivers higher throughput than 802.11ac.

Why this answer

802.11ax (Wi-Fi 6) is the latest standard, offering higher speeds, better efficiency, and improved performance in dense environments.

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48

MCQhard

A technician is setting up a virtualized environment on a laptop to run multiple operating systems for testing. Which type of hypervisor is most appropriate?

A.Bare-metal hypervisor

B.Type 1 hypervisor

C.Container

D.Type 2 hypervisor

AnswerD

A Type 2 hypervisor runs as an application atop the host operating system, which suits a laptop already running a desktop OS for testing. Type 1 hypervisors install bare-metal and would replace the host OS, which the scenario does not require.

Why this answer

A Type 2 hypervisor runs as an application on top of an existing host operating system, making it ideal for a laptop where the user needs to keep the host OS running while testing multiple guest VMs. Examples include VMware Workstation, Oracle VirtualBox, and Parallels. This is the standard choice for desktop virtualization and lab environments.

Exam trap

FC0-U71 often tests the Type 1 vs Type 2 distinction by describing a desktop/laptop scenario — candidates who default to 'bare-metal is always faster' pick Type 1 and miss that the host OS must remain in use.

How to eliminate wrong answers

Option A is wrong because a bare-metal hypervisor (also called Type 1) installs directly on hardware and replaces the host OS — inappropriate for a laptop that must remain usable as a normal workstation. Option B is wrong because Type 1 and bare-metal are the same thing, so it carries the same problem as option A. Option C is wrong because containers share the host OS kernel and do not run full operating systems — they cannot satisfy the requirement to run multiple distinct OSes for testing.

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49

MCQeasy

A home user has a laptop with an integrated webcam that no longer works after a recent driver update. The user needs a quick, low-cost replacement for video calls. Which of the following should the technician recommend?

A.A KVM switch

B.A USB webcam

C.A PCIe video capture card

D.A Thunderbolt docking station

AnswerB

A USB webcam is an external peripheral that connects through the USB port and provides immediate video capture without opening the laptop, which is ideal for a quick, low-cost replacement. It bypasses the failed integrated webcam entirely and usually works with built-in operating system drivers, so the user can resume video calls with minimal setup.

Why this answer

An external USB webcam is the simplest and least expensive way to restore video calling when an integrated camera fails. It connects to an available USB port, is recognized by common operating systems, and does not require disassembly or specialized drivers. The other options either do not provide a camera or are intended for different purposes entirely.

Exam trap

The trap here is confusing video capture or docking hardware with a camera, when only a device with an integrated image sensor can replace a broken webcam.

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50

MCQeasy

A user reports that their desktop computer will not power on at all. No lights appear, and no fans spin. The power cable is securely connected to the wall outlet and the power supply. Which component should the technician check first?

A.The hard drive

B.The power supply unit

C.The CPU cooler

D.The RAM modules

AnswerB

When a computer shows no signs of power, the power supply unit is a primary suspect because it distributes electricity to all components. If it fails, no lights or fans will operate. Checking the PSU first is logical before examining other parts that depend on it for power.

Why this answer

A completely unresponsive computer with no lights or fan activity points to a power delivery problem, making the power supply unit the first component to check. RAM, hard drive, and CPU cooler issues would typically allow some signs of power or produce specific errors.

Exam trap

The trap here is jumping to internal components like RAM or storage when the total absence of power activity indicates a problem with the power supply or its connections.

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51

MCQeasy

A user is setting up a new wireless router at home. During configuration, they see options for Wi-Fi 5 (802.11ac) and Wi-Fi 6 (802.11ax). Which standard offers faster speeds and better performance in congested environments?

A.Wi-Fi 6

B.Neither affects speed

C.Both are identical in speed

D.Wi-Fi 5

AnswerA

Wi-Fi 6 (802.11ax) introduces OFDMA and MU-MIMO improvements that raise throughput and efficiency in dense, congested environments, unlike Wi-Fi 5 (802.11ac). Selecting it satisfies the stem's requirement for faster speeds and better performance under congestion, particularly where many devices share the same access point.

Why this answer

Wi-Fi 6 is the newer standard with higher data rates, improved efficiency, and better handling of multiple devices.

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52

Multi-Selecthard

A user wants to purchase a new monitor for gaming. Which THREE specifications are most important for a smooth gaming experience?

Select 3 answers

A.Built-in speakers

B.Response time (e.g., 1ms, 5ms)

C.Number of USB ports

D.Resolution (e.g., 1080p, 4K)

E.Refresh rate (e.g., 60Hz, 144Hz)

AnswersB, D, E

Response time measures how quickly a pixel changes colour, and low values such as 1ms reduce motion blur and ghosting during fast gameplay. This directly satisfies the smooth-gaming requirement, unlike resolution or panel size, which affect sharpness and workspace rather than motion fluidity.

Why this answer

Option B, response time (e.g., 1ms, 5ms), is critical because it measures how quickly a pixel can change color, and lower values like 1ms reduce motion blur and ghosting during fast-paced gameplay. Option D, resolution (e.g., 1080p, 4K), matters because it determines the sharpness and detail of the image, directly affecting visual clarity and how many pixels the GPU must drive. Option E, refresh rate (e.g., 60Hz, 144Hz), is essential since a higher refresh rate allows the monitor to display more frames per second, producing smoother motion when paired with sufficient GPU output.

Options A and C do not belong: built-in speakers are a convenience audio feature unrelated to visual gaming performance, and USB ports are merely connectivity extras that do not affect smoothness or image quality.

Exam trap

FC0-U71 often tests the misconception that built-in speakers or USB ports matter for gaming performance; candidates may select them as important, but they are not.

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53

Multi-Selecteasy

A user wants to synchronize files across multiple devices, including an iPhone, a Windows laptop, and an Android tablet. Which TWO cloud services would be most effective for this cross-platform syncing?

Select 2 answers

A.Bluetooth file transfer

B.OneDrive

C.Google Drive

D.iTunes sync

E.iCloud

AnswersB, C

OneDrive offers native clients for iOS, Android and Windows, so files sync across the iPhone, Android tablet and Windows laptop. Its cross-platform availability satisfies the requirement to synchronise the same files on all three device types.

Why this answer

OneDrive (B) is correct because Microsoft's OneDrive client is available for iOS, Android, Windows, and the web, allowing the same files to be synced and accessed across an iPhone, Windows laptop, and Android tablet. Google Drive (C) is also correct because Google provides Drive apps for iOS, Android, Windows, and the web, enabling cross-platform file synchronization among those exact devices. Bluetooth file transfer (A) is not a cloud service and only supports short-range, manual device-to-device transfers, so it does not synchronize files across multiple devices. iTunes sync (D) is designed primarily for Apple device management and local syncing with a computer, not cloud-based cross-platform synchronization. iCloud (E) is not the best fit here because, while it has some Windows and web support, it is optimized for Apple's ecosystem and does not natively sync files on Android devices.

Exam trap

FC0-U71 often tests whether candidates conflate platform-locked services (iCloud, iTunes) with genuinely cross-platform cloud sync offerings, or mistake local transfer methods (Bluetooth) for cloud synchronization.

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54

MCQmedium

Which device converts the signal from an ISP into a digital signal that a computer can use?

A.Switch

B.Access point

C.Modem

D.Router

AnswerC

A modem modulates and demodulates the carrier signal from the ISP's line, converting it into digital data a computer can process. Routers, switches and access points forward or distribute traffic but do not perform this analogue-to-digital conversion.

Why this answer

A modem (modulator-demodulator) converts the ISP's signal — whether analog (DSL, cable, POTS) or optical (fiber ONT) — into a digital signal that a computer or router can use. It is the demarcation device between the ISP's WAN medium and the customer's LAN. This matches the question's definition exactly.

Exam trap

FC0-U71 often tests the confusion between modem and router, tricking candidates into choosing router because it's the device they associate with 'internet,' when the question specifically asks about signal conversion.

How to eliminate wrong answers

Option A is wrong because a switch forwards frames within a LAN based on MAC addresses; it does not convert ISP signals. Option B is wrong because an access point bridges wireless clients to a wired LAN; it does not convert ISP signals. Option D is wrong because a router forwards packets between networks based on IP addresses; while it often sits behind a modem, it does not perform the signal conversion from the ISP medium.

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55

MCQeasy

Which of the following is an example of a PAN (Personal Area Network) technology?

A.Bluetooth

B.Cellular

C.Wi-Fi

D.Ethernet

AnswerA

Bluetooth operates over short-range radio links, typically within ten metres, connecting personal devices such as headphones, keyboards and phones to one user's handset. This satisfies the PAN constraint of a single person's immediate workspace, unlike LAN or WAN technologies that span buildings or wider geographic areas.

Why this answer

Bluetooth is a short-range wireless technology designed to connect devices within a person's immediate vicinity (typically 10 meters or less), which is the defining characteristic of a Personal Area Network (PAN). It operates in the 2.4 GHz ISM band using frequency-hopping spread spectrum and is used for peripherals like headsets, keyboards, and smartphones. This makes it the textbook example of PAN technology.

Exam trap

FC0-U71 often tests the boundary between PAN, LAN, and WAN by offering familiar wireless technologies like Wi-Fi and cellular, hoping candidates confuse 'wireless' with 'personal area' and pick Wi-Fi instead of Bluetooth.

How to eliminate wrong answers

Option B is wrong because cellular networks (3G/4G/5G) are Wide Area Networks (WANs) that rely on carrier infrastructure and cell towers spanning cities or regions, not a personal workspace. Option C is wrong because Wi-Fi is typically classified as a Wireless Local Area Network (WLAN) covering a home, office, or campus — larger than a PAN. Option D is wrong because Ethernet is a wired Local Area Network (LAN) technology using IEEE 802.3, designed for building-level connectivity, not personal device pairing.

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56

MCQmedium

A user wants to upgrade their desktop computer's RAM for better performance. The motherboard supports dual-channel memory. Which configuration will provide the best performance?

A.Two 8 GB DDR4 modules in paired slots

B.Three 4 GB DDR4 modules

C.One 16 GB DDR4 module

D.Two 8 GB DDR4 modules in the same channel

AnswerA

Installing two matched 8 GB DDR4 modules in the paired slots activates dual-channel mode, letting the memory controller access both modules simultaneously and doubling the effective data path width. This satisfies the motherboard's dual-channel constraint, unlike a single module or mismatched pairing.

Why this answer

Dual-channel memory requires matched pairs of identical modules installed in the correct paired slots (often color-coded, e.g., slots 1 and 3 or 2 and 4). Two 8 GB DDR4 modules in paired slots gives 16 GB total with both memory channels active, effectively doubling memory bandwidth compared to single-channel operation. This is the optimal configuration for performance.

Exam trap

FC0-U71 often tests whether candidates equate total capacity with performance — a single 16 GB stick and two 8 GB sticks both give 16 GB, but only the paired configuration activates dual-channel bandwidth, which is the actual performance differentiator.

How to eliminate wrong answers

Option B is wrong because three 4 GB modules cannot operate in dual-channel mode symmetrically — most consumer boards support either single or dual channel, and three DIMMs typically force single-channel or flex mode with reduced benefit. Option C is wrong because a single 16 GB module runs in single-channel mode, halving memory bandwidth even though capacity is the same. Option D is wrong because two modules in the same channel (e.g., both in slots 1 and 2 of the same channel) still operate in single-channel mode — the whole point of dual-channel is populating both channels with matched modules.

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57

MCQeasy

A user wants to connect a modern monitor to their laptop using a single cable that can carry both video and audio signals. Which port on the laptop should they use?

A.HDMI

B.USB-A

C.VGA

D.DVI

AnswerA

HDMI carries digital video and audio over one cable, satisfying the single-cable requirement for a modern monitor. Unlike DisplayPort's packet-based transport or VGA's analogue video-only signalling, HDMI natively embeds audio alongside video, so no separate audio lead is needed.

Why this answer

HDMI (High-Definition Multimedia Interface) carries both digital video and audio over a single cable, making it the correct choice for connecting a modern monitor with integrated speakers or a TV. It supports high resolutions and is ubiquitous on laptops and monitors. This satisfies the requirement of a single cable for both signals.

Exam trap

FC0-U71 often tests whether candidates remember which legacy video interfaces (VGA, DVI) lack audio — candidates who assume all video ports carry audio will incorrectly pick DVI or VGA.

How to eliminate wrong answers

Option B is wrong because USB-A is a general-purpose data port that does not natively carry video or audio signals to a monitor (unless using DisplayLink adapters, which is not a direct port capability). Option C is wrong because VGA is an analog video-only interface — it carries no audio and is being phased out due to inferior quality. Option D is wrong because DVI is a digital video-only interface; while DVI-D carries digital video, it does not carry audio (except rare DVI-I variants with vendor-specific audio, not standard).

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58

MCQhard

A network administrator is configuring a small office network with 20 computers. The network must be easy to troubleshoot and resilient to a single cable failure. Which topology should the administrator implement?

A.Star topology

B.Mesh topology

C.Bus topology

D.Ring topology

AnswerA

A star topology connects all devices to a central switch or hub. If one cable fails, only that device is affected, making it resilient to single cable failures. Troubleshooting is easy because each device has a dedicated connection to the central point. This meets the requirements for a small office network.

Why this answer

A star topology uses a central switch, so a single cable failure only affects one computer, and troubleshooting is straightforward by checking individual connections. It balances resilience and simplicity for a small office. Other topologies either lack resilience to single cable failures or are overly complex and costly.

Exam trap

The trap here is assuming that a mesh topology is always best for resilience, ignoring its complexity and cost for a small office.

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59

MCQmedium

A technician needs to install a wireless network in a large warehouse. The goal is to minimize interference and support many devices. Which frequency band is best for this scenario?

A.5 GHz

B.60 GHz

C.900 MHz

D.2.4 GHz

AnswerA

5 GHz offers far more non-overlapping channels and avoids congestion from microwaves, Bluetooth and legacy 2.4 GHz devices. In a warehouse with many clients, this wider spectrum minimises co-channel interference, satisfying the stem's interference and device-density constraints.

Why this answer

The 5 GHz frequency band is best for a large warehouse with many devices because it offers more non-overlapping channels, higher data rates, and less interference from common sources like microwaves and Bluetooth. While 5 GHz has shorter range than 2.4 GHz, in a warehouse, multiple access points can be deployed to provide coverage, and the reduced interference supports many devices simultaneously.

Exam trap

FC0-U71 often tests the trade-off between range and interference; candidates may choose 2.4 GHz for its longer range, but the question emphasizes minimizing interference and supporting many devices, which points to 5 GHz.

How to eliminate wrong answers

Option B is wrong because 60 GHz (WiGig) has extremely short range and poor penetration through walls and obstacles, making it unsuitable for a large warehouse. Option C is wrong because 900 MHz is used in some industrial and legacy systems but has limited bandwidth and is not standardized for high-density Wi-Fi networks; it also has a smaller channel set. Option D is wrong because 2.4 GHz, while having longer range, suffers from significant interference from other devices (microwaves, cordless phones, Bluetooth) and has only three non-overlapping channels, which limits capacity in high-density environments.

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60

MCQeasy

A user complains that their laptop battery drains rapidly even while plugged into a docking station that supports USB Power Delivery. The dock is connected with a cable that fits the USB-C port. Which of the following is the MOST likely cause?

A.The docking station is using the USB 2.0 protocol instead of USB 3.2.

B.The dock provides less power than the laptop requires under its current workload.

C.The laptop's battery is failing and can no longer hold a charge.

D.The USB-C cable is a charge-only cable and cannot carry data.

AnswerB

USB Power Delivery negotiates a wattage both sides support. If the dock supplies, for example, 45 W while the laptop needs 65 W or more during heavy use, the battery will slowly discharge to make up the difference even though the dock is connected. This is the classic symptom of an underpowered dock, and it matches the scenario where the cable fits and power is clearly being delivered but the battery still drains.

Why this answer

USB Power Delivery allows a charger and device to agree on a wattage both support. When the dock's maximum output is lower than what the laptop consumes during demanding tasks, the shortfall is drawn from the battery, so the charge level falls even though the dock is connected. Checking the dock's rated wattage against the laptop's power adapter rating reveals the mismatch.

Exam trap

The trap here is assuming that any working USB-C connection automatically supplies enough power to both run the laptop and charge its battery.

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61

MCQeasy

A user needs to connect a wireless keyboard and mouse to a desktop computer. Which of the following technologies is most commonly used for this purpose?

A.Wi-Fi

B.Cellular

C.NFC

D.Bluetooth

AnswerD

Bluetooth is the standard short-range wireless technology built into keyboards and mice, pairing directly with a desktop's adapter. Alternatives such as Wi-Fi or NFC do not serve peripheral input, so Bluetooth satisfies the stem's requirement.

Why this answer

Bluetooth is correct because it is the standard wireless technology for connecting peripherals like keyboards and mice to a desktop computer over short distances. It operates in the 2.4 GHz band and is designed for low-power, low-data-rate personal area networks, making it ideal for input devices. Most wireless keyboards and mice use Bluetooth or a proprietary 2.4 GHz USB dongle, but Bluetooth is the most common built-in technology.

Exam trap

The trap is that candidates may choose Wi-Fi because it is also wireless, but Wi-Fi is for networking, not for connecting peripherals like keyboards and mice.

How to eliminate wrong answers

Option A is wrong because Wi-Fi is designed for high-bandwidth network connectivity, not for low-power peripheral connections, and it consumes more power and requires more complex pairing. Option B is wrong because cellular is used for wide-area mobile connectivity, not for connecting a keyboard and mouse to a computer. Option C is wrong because NFC is for very short-range communication (a few centimeters) and is used for payments and pairing, not for continuous peripheral input.

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62

MCQmedium

A user wants to connect a Bluetooth keyboard to a tablet. What is the first step the user must perform to establish the connection?

A.Pair the devices

B.Connect via USB cable

C.Install a driver

D.Enable NFC

AnswerA

Pairing establishes the trusted link between tablet and keyboard, exchanging the security keys needed before any input can be transmitted. Without pairing first, the tablet cannot recognise or connect to the keyboard, so pairing is the prerequisite step before connection and use.

Why this answer

Before a Bluetooth keyboard can communicate with a tablet, the two devices must be paired, which establishes a trusted relationship and exchanges link keys. Pairing is the first step; only after pairing can the devices connect automatically or manually. USB, drivers, and NFC are not required for standard Bluetooth keyboard setup.

Exam trap

The trap is that some keyboards support USB or NFC-assisted pairing, so candidates may pick a plausible-sounding alternative instead of the universal first step: pairing the devices.

How to eliminate wrong answers

Option B is wrong because connecting via USB cable is a wired connection and is not part of establishing a Bluetooth pairing; some keyboards support USB for charging or as an alternative, but it is not the first Bluetooth step. Option C is wrong because modern operating systems include generic Bluetooth HID drivers, so manual driver installation is typically unnecessary. Option D is wrong because NFC is a separate short-range technology used for tap-to-pair on some devices, but it is not a required or universal first step for Bluetooth pairing.

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63

MCQmedium

A user reports that their laptop's Wi-Fi connection is slow and frequently drops when they are in the living room, but works fine in the office near the router. The router supports both 2.4GHz and 5GHz bands. Which band should the user connect to for better performance in the living room?

A.Cellular

B.5GHz

C.2.4GHz

D.Bluetooth

AnswerC

2.4GHz signals penetrate walls and travel further than 5GHz, which attenuates quickly with distance and obstacles. At living-room range from the router, the 2.4GHz band delivers a more stable, usable connection despite lower peak throughput.

Why this answer

The 2.4GHz band has longer wavelength and better wall penetration, so it maintains a usable signal at greater distances and through obstacles like walls between the office and living room. Although 5GHz offers higher throughput at close range, its shorter wavelength causes faster attenuation through walls, explaining the drops in the living room. For range and obstacle penetration, 2.4GHz is the correct choice.

Exam trap

FC0-U71 often tests the misconception that 'faster band = better band' — candidates pick 5GHz for performance without considering that range and obstacle penetration favor 2.4GHz at distance.

How to eliminate wrong answers

Option A is wrong because cellular is a mobile network technology, not a Wi-Fi band, and is unrelated to the router's 2.4GHz/5GHz choice. Option B is wrong because 5GHz, while faster at close range, has shorter range and poorer wall penetration, which would worsen the living-room experience. Option D is wrong because Bluetooth is a short-range personal area network technology (typically ~10 meters) used for peripherals, not for connecting a laptop to a Wi-Fi router.

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64

MCQeasy

Which network device converts the signal from an Internet Service Provider (ISP) into a digital signal that a home network can use?

A.Access point

B.Switch

C.Router

D.Modem

AnswerD

The modem demodulates the ISP's carrier signal, whether coaxial, fibre or DSL, into digital Ethernet frames the home network can route. This directly satisfies the stem's conversion requirement, distinguishing it from a router, which forwards traffic but does not perform that signal translation.

Why this answer

A modem modulates and demodulates signals from the ISP (e.g., cable, DSL) into digital data for the home network.

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65

MCQhard

A user wants to sync their contacts and calendar between their Android phone and tablet. Which method is most commonly used?

A.Google account sync

B.iCloud sync

C.Bluetooth pairing

D.NFC

AnswerA

A Google account stores contacts and calendar in the cloud, and Android devices signed into the same account sync that data automatically. This satisfies the stem's requirement to sync between phone and tablet without cables or manual transfer.

Why this answer

Android devices natively integrate with Google accounts, which sync contacts, calendar, Gmail, and other Google services across devices when the same account is signed in. This is the default and most common method for syncing an Android phone and tablet. No third-party tools or pairing are required — signing into the same Google account on both devices enables automatic sync.

Exam trap

FC0-U71 often tests ecosystem confusion — candidates pick iCloud because it is a well-known sync service, forgetting that iCloud is Apple-only and Android relies on Google account sync.

How to eliminate wrong answers

Option B is wrong because iCloud is Apple's ecosystem service for iOS/macOS devices and is not natively supported for syncing contacts and calendars on Android. Option C is wrong because Bluetooth pairing is used for short-range device-to-device connections (headphones, file transfer) and does not provide continuous cloud-based contact/calendar synchronization. Option D is wrong because NFC is a very short-range tap-based communication technology used for payments and pairing, not for syncing data between devices.

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66

Multi-Selectmedium

A technician is troubleshooting a desktop computer that powers on but does not display any video. The monitor works when connected to another computer. Which TWO of the following are the most likely causes to check first? (Choose two.)

Select 2 answers

A.The video cable is loose or connected to the wrong port

B.The printer driver is outdated

C.The keyboard layout is set incorrectly

D.The surge protector is switched off

E.The RAM is not fully seated in its slot

AnswersA, E

A loose or incorrectly connected video cable is a common cause of no display. If the monitor has multiple inputs, the cable may be plugged into a port that is not selected, or it may be partially seated. Checking the cable and input source is a quick, non-invasive first step before assuming a more serious hardware failure.

Why this answer

When a computer powers on but shows no video and the monitor is known good, the first things to verify are the video cable connection and input selection, followed by internal components that can halt POST such as improperly seated RAM. Printer drivers, keyboard layout, and a switched-off surge protector do not match the symptom of powering on without display.

Exam trap

The trap here is overlooking simple cabling and memory seating while chasing unrelated software settings that cannot cause a complete loss of video.

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67

MCQeasy

A technician is connecting a desktop PC directly to a cable modem to provide internet access. The PC needs to receive a public IP address automatically from the ISP. Which protocol should the technician ensure is enabled on the PC's network adapter?

A.DHCP

B.DNS

C.SNMP

D.SMTP

AnswerA

DHCP lets the ISP's server automatically lease a public IP address, subnet mask, default gateway, and DNS server settings to the PC's adapter. This is exactly how a cable modem delivers connectivity without manual configuration, so enabling DHCP satisfies the requirement to receive an address automatically.

Why this answer

The PC must obtain a public address from the ISP without manual entry, which is the role of DHCP. The ISP's DHCP server leases the address along with gateway and DNS details. DNS, SMTP, and SNMP serve naming, email, and management functions respectively and cannot assign an address to the adapter.

Exam trap

The trap here is confusing DNS, which translates names, with DHCP, which actually leases the IP address and related settings to the adapter.

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68

MCQhard

A technician needs to connect a new desktop computer to a wired network in an office where the wall jack is active and the network uses DHCP. The computer has an integrated RJ45 port. Which of the following should the technician do to enable network connectivity?

A.Assign a static IP address in the same subnet as the gateway

B.Install a wireless network adapter and configure the SSID

C.Connect an Ethernet cable from the wall jack to the computer's RJ45 port

D.Enable Internet Connection Sharing on the computer

AnswerC

Connecting a standard Ethernet cable between the active wall jack and the integrated RJ45 port provides the physical link needed for the network. Since the network uses DHCP, the computer will automatically request an IP address and other settings. This is the correct and sufficient step to establish wired connectivity without additional configuration.

Why this answer

With an active wall jack, an integrated RJ45 port, and DHCP in place, the only required action is to connect a standard Ethernet cable between the jack and the computer. DHCP will handle IP configuration automatically. Wireless, static addressing, and Internet Connection Sharing are either unnecessary or incorrect for this wired scenario.

Exam trap

The trap here is overcomplicating a straightforward wired connection by adding wireless hardware or manual IP settings when DHCP and an active jack already meet the requirement.

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69

MCQeasy

A small office has a network with all devices connected to a central switch. If one device fails, only that device is affected and the rest of the network continues to function. Which network topology does this describe?

A.Star topology

B.Ring topology

C.Bus topology

D.Mesh topology

AnswerA

In a star topology every node connects to a central switch, so each link is independent. A single device failure therefore affects only that device, satisfying the stem's constraint that the rest of the network continues to function.

Why this answer

A star topology connects every device to a central switch or hub, so each device has its own dedicated point-to-point link to the center. If one endpoint device fails, only that device loses connectivity; the central switch continues forwarding traffic among the remaining devices, so the rest of the network is unaffected. This matches the scenario described.

Exam trap

The trap here is confusing physical topology with logical topology — candidates may pick mesh because they think 'resilient' means mesh, but the key clue is the single central switch and isolated failure.

How to eliminate wrong answers

Option B is wrong because in a ring topology, each device connects to two neighbours in a closed loop; a single device or link failure can break the ring and disrupt communication for other nodes unless a dual-ring or healing mechanism is used. Option C is wrong because in a bus topology, all devices share a single backbone cable; a break in the bus or a faulty terminator can bring down the entire network segment. Option D is wrong because in a mesh topology, every device connects to multiple others; while it is highly resilient, the described behaviour (one central switch, only the failed device affected) is not characteristic of a mesh.

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70

MCQmedium

A user wants to connect an external monitor to their laptop. The monitor supports a resolution of 3840x2160 at 60Hz. Which of the following ports on the laptop would be BEST suited for this display?

A.USB 3.0 Type-A

B.DisplayPort

C.VGA

D.HDMI 1.4

AnswerB

DisplayPort carries sufficient bandwidth for 3840x2160 at 60Hz over a single cable, satisfying the stem's resolution and refresh constraint. Older VGA is analogue and cannot support that resolution, while HDMI and USB-C variants may cap lower depending on version.

Why this answer

DisplayPort is the best choice because it natively supports 4K resolution at 60Hz and higher, with ample bandwidth (DisplayPort 1.2 offers 17.28 Gbps) to drive such a display without compression or chroma subsampling. It is designed specifically for high-resolution digital display connections and is standard on modern laptops and monitors. HDMI 1.4, while capable of 4K, is limited to 30Hz at that resolution, making it unsuitable for smooth 60Hz operation.

Exam trap

FC0-U71 often tests whether candidates know that HDMI 1.4 cannot do 4K at 60Hz — many assume 'HDMI supports 4K' without checking the version, and pick HDMI 1.4 over DisplayPort.

How to eliminate wrong answers

Option A is wrong because USB 3.0 Type-A is a data port (5 Gbps) not designed for native display output; while USB graphics adapters exist, they introduce latency and are not the BEST native solution. Option C is wrong because VGA is an analog interface limited to roughly 2048x1536 and cannot carry a 3840x2160 digital signal at all. Option D is wrong because HDMI 1.4 caps 4K (3840x2160) at 30Hz due to its 10.2 Gbps bandwidth limit, failing the 60Hz requirement — HDMI 2.0 or higher would be needed.

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71

MCQeasy

Which of the following types of networks covers the largest geographical area?

A.WLAN

B.LAN

C.PAN

D.WAN

AnswerD

A WAN (wide area network) spans the largest geographical area, connecting devices across cities, countries or continents. Unlike a LAN, which is confined to a single site, or a MAN, which covers a city, a WAN satisfies the stem's requirement for the broadest coverage by linking geographically dispersed networks through leased telecommunications links.

Why this answer

A WAN (Wide Area Network) spans large geographic areas, such as cities, countries, or even globally (the Internet).

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72

MCQeasy

A small business owner wants to print multi-part carbon-copy invoices on continuous form paper in a warehouse environment where dust is common. Which printer type is most appropriate?

A.Inkjet

B.Laser

C.Thermal

D.Dot matrix

AnswerD

Dot matrix printers use a print head with pins that physically strike an inked ribbon against the paper. This impact mechanism transfers the impression through multiple carbon-copy layers simultaneously. They are also robust in dusty industrial settings and handle continuous form paper with tractor feed, matching the scenario perfectly.

Why this answer

Impact printing is the only method that physically transfers ink through multiple paper layers to create carbon copies. Dot matrix printers are designed for continuous form paper and tolerate dusty industrial environments, making them the standard choice for multi-part invoices. Inkjet, laser, and thermal technologies all print on a single surface and cannot produce duplicate copies on multi-part forms.

Exam trap

The trap here is assuming any modern printer can produce multi-part forms, when only impact technology physically strikes through carbon layers.

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73

MCQmedium

A small business wants to connect its office to a fiber internet service. The ISP provides an optical network terminal (ONT) that converts the fiber signal to Ethernet. The business needs a device that will route traffic between the internal LAN and the ISP, perform NAT, and provide DHCP to internal clients. Which device should the technician install between the ONT and the LAN switch?

A.A media converter

B.A Layer 2 switch

C.A router

D.A wireless access point

AnswerC

A router operates at Layer 3 and forwards packets between the private LAN and the ISP network. It performs NAT to translate private addresses to the public address provided by the ISP, runs a DHCP server to assign IP configuration to internal clients, and often includes a firewall. Placing a router between the ONT and the LAN switch provides the routing, NAT, and DHCP functions the business requires.

Why this answer

The device between an ONT and an internal switch must route packets, translate private addresses to the public address, and assign IP configuration to clients. A router provides all three functions at Layer 3. Switches, access points, and media converters operate at lower layers or serve different purposes and cannot fulfill the routing and NAT requirements of this scenario.

Exam trap

The trap here is confusing the ONT's media conversion role with routing, and assuming that because the ONT outputs Ethernet, any Ethernet device can connect the LAN to the ISP.

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74

Multi-Selectmedium

A technician is troubleshooting a network issue and needs to identify the IP address of a device. Which of the following are private IPv4 addresses? (Select TWO).

Select 2 answers

A.8.8.8.8

B.192.168.1.10

C.203.0.113.5

D.169.254.1.1

E.172.16.0.1

AnswersB, E

192.168.1.10 falls within the 192.168.0.0/16 block reserved by RFC 1918 for private internets, so it is never routed on the public internet. This satisfies the stem's requirement to identify a private IPv4 address, unlike publicly routable ranges such as 8.8.8.8.

Why this answer

Option B (192.168.1.10) is correct because the 192.168.0.0/16 range is one of the three RFC 1918 private IPv4 address blocks reserved for internal networks. Option E (172.16.0.1) is also correct because the 172.16.0.0/12 range (172.16.0.0 through 172.31.255.255) is another RFC 1918 private address block. Option A (8.8.8.8) is a public address used by Google Public DNS, so it is not private.

Option C (203.0.113.5) falls in 203.0.113.0/24, which is reserved for documentation and testing (RFC 5737), not private use. Option D (169.254.1.1) is in the 169.254.0.0/16 link-local range (APIPA), which is non-routable but distinct from RFC 1918 private addressing.

Exam trap

The trap here is confusing APIPA (169.254.x.x) with RFC 1918 private addresses, or mistakenly thinking that any non-routable address is private; candidates often select 169.254.1.1 as private when it is actually link-local.

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75

MCQhard

A network administrator is setting up a small office network with 20 computers. The network must be easy to troubleshoot and resilient to a single cable failure affecting only one device. Which topology is most appropriate?

A.Ring

B.Bus

C.Star

D.Mesh

AnswerC

A star topology connects every node to a central switch, so a single cable failure isolates only that one device while all others keep communicating. This directly satisfies the resilience constraint and centralises troubleshooting at one point.

Why this answer

Star topology connects each device to a central switch. If one cable fails, only that device is affected, making it easy to troubleshoot. It is the most common for modern networks.

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