220-1101 Practice Exam 57 — 20 Questions

Question 1

A user reports that their Android phone's touchscreen responds to taps in the wrong locations: pressing an icon near the top-left opens an app near the bottom-right. The phone was never dropped, the screen is not cracked, and the problem began immediately after a third-party screen protector was applied. The device is fully charged and running the stock OS. Which of the following should the technician do first?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

Remove the third-party screen protector and retest the touch response.. The timing points to the newly applied protector as the cause of the offset touch coordinates. Removing it is fast, free, and non-destructive, and it immediately confirms or eliminates the most likely culprit. A factory reset, display replacement, or engineering-menu calibration each skip that diagnostic step and risk unnecessary data loss, cost, or new faults before the simple cause is ruled out.

Answer

Recalibrate the touchscreen using the hidden engineering menu.

Answer

Perform a factory reset to rule out a software calibration fault.

Answer

Replace the digitizer and LCD assembly to correct the coordinate mapping.

Question 2

A technician is configuring a new Android tablet for a user who will use it primarily for reading documents and taking handwritten notes with a stylus. The user wants the tablet to convert handwritten notes into searchable text and to support pressure-sensitive drawing in a note-taking app. Which of the following should the technician verify before handing the tablet to the user? (Choose two.)

Accepted Answer

Enable handwriting recognition in the keyboard and input settings.. Pressure-sensitive drawing requires an active stylus and digitizer, and handwritten-to-text conversion requires a handwriting recognition input method enabled in settings. Those two checks map directly to the user's stated tasks. A Bluetooth mouse, a high refresh rate, and fingerprint enrollment are all legitimate tablet features, but none of them enables pressure-sensitive inking or searchable handwriting conversion.

Answer

Set the display to the highest available refresh rate for smoother inking.

Answer

Configure the tablet to use a Bluetooth mouse for cursor navigation.

Answer

Enroll the user's fingerprint so the tablet can be unlocked quickly.

Question 3

A user's Android smartphone is experiencing intermittent touchscreen unresponsiveness, especially in the bottom corners. The screen has no visible cracks or damage. Which of the following troubleshooting steps should the technician perform FIRST?

Accepted Answer

Remove the screen protector and clean the screen. Intermittent touchscreen unresponsiveness, especially in the bottom corners, is often caused by a screen protector that is lifting, trapping debris, or creating air gaps that interfere with the capacitive touch layer. The first step should be to remove the screen protector and clean the screen with a microfiber cloth, as this is the least invasive and most likely fix for the described symptoms.

Answer

Perform a factory reset

Answer

Replace the touchscreen digitizer

Answer

Update the device firmware

Question 4

A technician is troubleshooting a desktop computer that experiences intermittent freezing, especially when running graphics-intensive applications or games. The technician has updated all drivers, run full antivirus scans, and replaced the RAM. The CPU and GPU temperatures stay below 70°C under load. The event logs show no critical errors. However, the freezing always occurs under high load, and sometimes the system restarts without a blue screen. Which component is MOST likely failing?

Accepted Answer

Power supply unit (PSU). The power supply unit (PSU) is the most likely failing component because intermittent freezing and restarts under high load, without blue screens or critical errors, are classic symptoms of an unstable or insufficient power supply. When the GPU and CPU draw maximum current during graphics-intensive tasks, a failing PSU may drop below required voltage rails (e.g., +12V), causing the system to lock up or reboot. The fact that temperatures are normal and RAM has been replaced eliminates thermal and memory issues, pointing directly to power delivery.

Answer

CPU

Answer

GPU

Answer

Motherboard

Question 5

A network printer with a static IP address of 192.168.1.100/24 is unreachable from all workstations on the same subnet. The technician can successfully ping the printer's IP address. The printer's web interface loads when accessed from a browser, but shows the status as 'Offline.' Print jobs sent from workstations remain in the queue with a 'printing' status and are never printed. Which of the following is the MOST likely cause?

Accepted Answer

The printer's firmware is in a hung state. The printer is reachable via ping and its web interface loads, confirming Layer 3 connectivity and that the IP/subnet mask configuration is correct. However, the web interface shows 'Offline' and print jobs are stuck in the queue with a 'printing' status, indicating the printer's firmware or internal print engine is hung and not processing jobs. A hung firmware state prevents the printer from accepting or processing print data even though network communication is intact.

Answer

The printer's subnet mask is misconfigured

Answer

The print server's driver is corrupted

Answer

The network cable is faulty

Question 6

A technician is building a desktop computer. The motherboard manual states it supports DDR4-3200 RAM. The technician installs DDR4-2666 RAM. The system boots and operates normally. Which of the following best describes the performance of the installed RAM?

Accepted Answer

The RAM will run at 2666 MHz.. The motherboard supports DDR4-3200 RAM, but the installed RAM is rated for DDR4-2666. By default, the system will run the memory at the highest speed supported by both the motherboard and the installed RAM, which is 2666 MHz. This is because the memory controller reads the SPD (Serial Presence Detect) data from the RAM modules and sets the speed to the maximum supported by the slowest component.

Answer

The RAM will run at 3200 MHz.

Answer

The RAM will not be compatible and the system will not boot.

Answer

The RAM will run at 2933 MHz.

Question 7

A network technician is configuring a router-on-a-stick for inter-VLAN routing. The router has one physical interface (G0/0) connected to a managed switch. The technician creates subinterfaces G0/0.10 for VLAN 10 (192.168.10.1/24) and G0/0.20 for VLAN 20 (192.168.20.1/24). The switch port connected to the router is configured as a trunk allowing VLANs 10 and 20. On a workstation in VLAN 10, the technician can ping the gateway 192.168.10.1 but cannot ping the gateway 192.168.20.1. Which of the following is the MOST likely cause?

Accepted Answer

The subinterface G0/0.20 is missing the encapsulation dot1Q 20 command. The workstation in VLAN 10 can ping its own gateway (192.168.10.1) but not the gateway in VLAN 20 (192.168.20.1). This indicates that the router's subinterface for VLAN 20 is not properly configured to accept and forward traffic from VLAN 20. The most likely cause is that the subinterface G0/0.20 is missing the `encapsulation dot1Q 20` command, which is required to tag frames with VLAN 20 ID when they traverse the trunk link. Without this command, the router will not process traffic for VLAN 20, and the gateway remains unreachable.

Answer

The switch trunk port is set to the wrong native VLAN

Answer

The workstation in VLAN 10 has an incorrect subnet mask

Answer

The router interface G0/0 is in a VLAN that is not allowed on the trunk

Question 8

A company runs its e-commerce website on a virtualized infrastructure. During a flash sale, the number of website visitors spikes dramatically. The virtualization platform automatically creates additional virtual web servers to handle the load and later terminates them when traffic returns to normal. This capability BEST illustrates which characteristic of cloud computing?

Accepted Answer

Rapid elasticity. The scenario describes the platform automatically scaling virtual web servers up during a flash sale and down afterward, which is the defining characteristic of rapid elasticity. This capability allows cloud resources to expand and contract quickly and automatically in response to demand, a core feature of cloud computing as defined by NIST SP 800-145.

Answer

Measured service

Answer

On-demand self-service

Answer

Resource pooling

Question 9

A technician installs a new graphics card in a desktop computer. The computer powers on, all fans spin, and the motherboard's POST LED sequence completes, but there is no image on the monitor. The monitor is connected to the new graphics card via DisplayPort and has been verified to work with another computer. Which of the following should the technician do FIRST?

Accepted Answer

Check that the auxiliary PCIe power cables are connected to the graphics card. The most common reason for a new graphics card to power on (fans spin) but produce no display is that the auxiliary PCIe power cables are not connected. Modern high-performance GPUs require dedicated 6- or 8-pin power connectors from the PSU; without them, the card may appear to operate (fans spin due to motherboard slot power) but cannot output video. Since the monitor and cable are verified working, and POST completes, the next logical step is to check these power connections before assuming a hardware fault.

Answer

Replace the graphics card

Answer

Reseat the graphics card in the PCIe slot

Answer

Update the graphics card driver from safe mode

Question 10

A company wants to migrate its on-premises email server to the cloud. The IT director insists that the new solution require no management of the underlying operating system, application server, or patching. Which cloud service model should the organization choose?

Accepted Answer

Software as a Service (SaaS). Software as a Service (SaaS) provides a fully managed application delivered over the internet. The provider handles all underlying infrastructure, operating system, application server, and patching, meeting the IT director's requirement for zero management of those layers. In this scenario, the email service is consumed as a ready-to-use application, such as Microsoft 365 Exchange Online or Google Workspace.

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Desktop as a Service (DaaS)

Question 11

A user drops a tablet onto a hard floor. The display still shows images and colors correctly, but the touchscreen is completely unresponsive in all areas. The technician has rebooted the device and cleaned the screen with a soft cloth. Which of the following components is MOST likely damaged?

Accepted Answer

Digitizer. The digitizer is the component responsible for converting touch input into electrical signals. Since the display still shows images correctly (LCD panel is intact) but the touchscreen is completely unresponsive, the digitizer layer has most likely been damaged by the impact.

Answer

LCD panel

Answer

Battery

Answer

System board

Question 12

A small business has a 24-port PoE+ switch powering 12 IP cameras (each requiring 15W) and 8 VoIP phones (each requiring 6W). The switch has a PoE budget of 240W. A technician installs two additional IP cameras (each 15W) but they do not power on. The existing cameras and phones continue to work normally. The technician has verified the Ethernet cables are good and the ports are enabled. Which of the following is the MOST likely cause?

Accepted Answer

The switch's PoE budget is exceeded by the additional cameras.. The switch has a PoE budget of 240W. The existing load is 12 cameras × 15W + 8 phones × 6W = 180W + 48W = 228W. Adding two more 15W cameras would require an additional 30W, totaling 258W, which exceeds the 240W budget. PoE switches use a power management algorithm to prioritize existing powered devices (PDs) and deny power to new ones when the budget is exceeded, which explains why the existing devices continue working while the new cameras do not power on.

Answer

The new cameras are connected with crossover cables instead of straight-through cables.

Answer

The new cameras are on a different VLAN that is not configured on the switch.

Answer

The DHCP server has run out of IP addresses in the scope.

Question 13

A technician is setting up a small network with a router, a 24-port unmanaged switch, and 15 computers. The router's DHCP server assigns IP addresses in the 192.168.1.0/24 range. All computers get valid IP addresses and can access the internet, but they cannot see each other in the network discovery list. Which of the following is the MOST likely cause?

Accepted Answer

Network discovery and file sharing are disabled on the computers. The computers can access the internet and receive valid IP addresses from the router's DHCP server, indicating that Layer 3 connectivity is working. However, they cannot see each other in the network discovery list, which is a Layer 2/application-layer feature. Network discovery relies on the Function Discovery Resource Publication (FDResPub) and SSDP protocols, and file sharing relies on the SMB protocol; both are typically disabled by default on Windows machines for security reasons. Enabling network discovery and file sharing in the Network and Sharing Center resolves the visibility issue.

Answer

The switch is not configured with VLANs

Answer

The subnet mask is set to 255.255.0.0

Answer

The router's firewall is blocking LAN traffic

Question 14

A user reports that their Android smartphone will not send picture messages (MMS). Text messages (SMS) send and receive normally. The user has mobile data enabled and is within a strong signal area. Which of the following should the technician check FIRST?

Accepted Answer

Verify the APN settings. MMS relies on specific APN settings to route multimedia content through the carrier's data network. Since SMS (which uses the signaling channel) works fine but MMS fails, the most likely cause is incorrect or missing APN parameters such as the MMSC URL, MMS proxy, or MMS port. Verifying and correcting the APN settings is the first logical step before more disruptive troubleshooting.

Answer

Disable and re-enable mobile data

Answer

Check the carrier's data limit

Answer

Reset Wi-Fi, mobile & Bluetooth settings

Question 15

A technician is troubleshooting a laser printer that produces pages with horizontal white lines running across the printed text. The toner cartridge has been replaced with a new one, and the issue persists. Which printer component should the technician inspect or replace NEXT?

Accepted Answer

Imaging drum. The imaging drum is the component that transfers toner to the paper in a laser printer. Horizontal white lines typically indicate a defect on the drum surface, such as scratches or contamination, which prevent toner from adhering to those areas. Since replacing the toner cartridge did not resolve the issue, the imaging drum (often a separate consumable) is the next logical component to inspect or replace.

Answer

Fuser assembly

Answer

Transfer roller

Answer

Pickup roller

Question 16

A technician configures a new managed switch in a small network. After connecting the switch to the existing switch via a single Ethernet cable, the link LED on the uplink port is solid amber. Devices on the new switch cannot communicate with devices on the existing network. The existing network has no loops and uses a single switch. Which of the following is the MOST likely cause?

Accepted Answer

Spanning Tree Protocol (STP) is blocking the uplink port. The solid amber link LED on the uplink port indicates that the port is administratively up but being blocked by Spanning Tree Protocol (STP). When a new switch is connected to an existing network, STP transitions the port through listening and learning states before forwarding, but if a loop is detected or the port remains in a blocking state, the amber LED confirms STP is preventing traffic. Since the existing network has no loops, STP is likely blocking the port due to a misconfiguration or because it is still in the process of convergence, which prevents communication between devices on the new switch and the existing network.

Answer

The new switch has an IP address conflict

Answer

The new switch is in a different VLAN

Answer

The cable connecting the switches is faulty

Question 17

A user reports that their iPhone will not charge when plugged into a charger. The technician examines the Lightning port and notices that there is visible debris inside the port. The technician has tried different charging cables and power adapters, all of which work with other iPhones. Which of the following is the BEST next step to resolve the issue?

Accepted Answer

Use compressed air to blow out the debris.. The visible debris in the Lightning port is physically obstructing the connection between the cable and the port's pins. Since the technician has already verified that the cables and adapters work with other iPhones, the issue is isolated to the port itself. Using compressed air is the safest and most effective first step to dislodge debris without damaging the delicate internal components.

Answer

Replace the charging port assembly.

Answer

Update the iOS to the latest version.

Answer

Perform a factory reset on the iPhone.

Question 18

A company runs a critical database application on a virtual machine (VM) hosted on a Type 1 hypervisor. During peak hours, other VMs on the same host consume large amounts of CPU and memory, causing the database VM to experience performance degradation. The administrator wants to guarantee that the database VM always receives at least 4 GB of RAM and 2 vCPUs of processing power, regardless of demand from other VMs. Which virtualization feature should the administrator configure?

Accepted Answer

Resource reservation. Resource reservation guarantees a minimum amount of CPU and memory resources to a specific VM, ensuring that the database VM always has at least 4 GB of RAM and 2 vCPUs available even when other VMs on the same Type 1 hypervisor are under heavy load. This feature prevents performance degradation by locking those resources for the reserved VM, regardless of demand from other guests.

Answer

Resource pooling

Answer

Elasticity

Answer

Thin provisioning

Question 19

A technician is assembling a workstation. After installing the motherboard, CPU, CPU cooler, RAM, and connecting all necessary power cables, the system does not power on when the front panel power button is pressed. The technician verified the power supply works in another system. Which of the following should the technician check FIRST?

Accepted Answer

The front panel header wiring. The front panel header wiring is the most likely cause because the power button connects to the motherboard through this header. If the wires are misaligned or not fully seated, pressing the button will not complete the circuit to signal the power supply to turn on. Since the PSU works in another system, the issue is almost certainly at the motherboard connection, making the front panel header the first logical check.

Answer

The 4/8-pin CPU power connector

Answer

The CMOS battery voltage

Answer

The BIOS version compatibility

Question 20

A desktop computer powers on for about two seconds (fans spin, LEDs flash) then immediately shuts down. It repeats this cycle if the power button is pressed again. The technician has already replaced the power supply with a known-good unit, removed and reseated all expansion cards and memory modules, and tested the system outside the case on a non-conductive surface. The problem persists. Which of the following is the MOST likely cause?

Accepted Answer

The motherboard is faulty. The symptom of powering on for about two seconds and then immediately shutting down, followed by a repeating cycle, is classic for a short circuit or a critical motherboard failure. Since the technician has already replaced the power supply with a known-good unit, reseated all components, and tested the system outside the case (eliminating case shorts), the only remaining component that can cause this exact behavior is the motherboard itself. A faulty motherboard can fail to initialize the CPU or power regulation (VRM) correctly, triggering the system's overcurrent or thermal protection within seconds.

Answer

The CPU is faulty

Answer

The RAM is incompatible

Answer

The graphics card is drawing too much power