FC0-U71 Practice Exam 51 — 20 Questions

Question 1

Which of the following character encoding standards supports characters from most of the world's languages and uses a variable number of bytes per character?

Accepted Answer

Unicode/UTF-8. UTF-8 (a Unicode encoding) uses 1 to 4 bytes per character and supports a vast range of characters.

Answer

Base64

Answer

EBCDIC

Answer

ASCII

Question 2

A user notices that their computer runs slowly when multiple applications are open simultaneously. Which hardware component is most likely insufficient for the current workload?

Accepted Answer

RAM. RAM (Random Access Memory) is volatile memory used to store data for running programs. Insufficient RAM causes the system to use slower storage (paging), slowing performance.

Answer

GPU

Answer

CPU

Answer

Hard drive

Question 3

A technician needs to convert a decimal IP address octet value of 192 to binary. Which of the following is the correct binary representation?

Accepted Answer

11000000. 192 in binary is 11000000. This can be calculated by subtracting powers of 2: 192 = 128 + 64, so bits 7 and 6 are 1, bits 5-0 are 0.

Answer

10101010

Answer

11110000

Answer

10000001

Question 4

An IT professional is explaining to a client the difference between an HDD and an SSD. Which statement best describes a key advantage of an SSD over an HDD?

Accepted Answer

SSDs are more resilient to physical shock because they have no moving parts.. SSDs use flash memory and have no moving parts, making them faster, more durable, and quieter than HDDs, which use spinning platters and mechanical arms.

Answer

SSDs require a constant power supply to retain data.

Answer

SSDs provide larger storage capacities at a lower cost per gigabyte.

Answer

SSDs use laser technology to read and write data.

Question 5

A company is considering moving its email system to the cloud and wants to avoid managing the underlying servers and software. Which cloud service model would best suit this need?

Accepted Answer

Software as a Service (SaaS). SaaS provides software applications over the internet, managed by the provider. IaaS provides infrastructure, PaaS provides platforms for development, and DaaS provides desktops. Email as a service is typically SaaS.

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Desktop as a Service (DaaS)

Question 6

A systems administrator is configuring a new server and needs to ensure high availability and reliability. Which THREE of the following are characteristics of cloud computing that support high availability? (Select THREE.)

Accepted Answer

Resource pooling. Cloud computing provides on-demand self-service, resource pooling, rapid elasticity, measured service, and broad network access. These enable redundancy and automatic scaling for high availability.

Answer

Fixed capacity

Answer

Local installation required

Question 7

Which of the following is an example of application software?

Accepted Answer

Microsoft Word. Microsoft Word is an end-user application for word processing.

Answer

Windows 10

Answer

BIOS

Answer

Linux kernel

Question 8

A graphic designer needs a component to accelerate rendering of 3D models. Which of the following computer hardware components is specifically designed for this purpose?

Accepted Answer

GPU. GPU (Graphics Processing Unit) is specialized for rendering graphics and is used for 3D modeling, AI, and ML. CPU, RAM, and SSD are general-purpose components.

Answer

RAM

Answer

SSD

Answer

CPU

Question 9

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?

Accepted Answer

PCIe. PCIe (PCI Express) slots are the standard for modern expansion cards including GPU, NIC, and sound cards.

Answer

SATA

Answer

M.2

Answer

PCI

Question 10

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

Accepted Answer

Response time (e.g., 1ms, 5ms). Resolution (e.g., 1080p or 4K), refresh rate (e.g., 144Hz for smooth motion), and response time (low for less blur) are key gaming specs.

Answer

Built-in speakers

Answer

Number of USB ports

Question 11

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

Accepted Answer

Configure Google account sync. Google account sync automatically synchronizes data across Android devices using the same Google account.

Answer

Pair via Bluetooth

Answer

Use a USB cable to transfer files

Answer

Use an SD card

Question 12

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?

Accepted Answer

802.11ax (Wi-Fi 6). 802.11ax (Wi-Fi 6) is the latest standard, designed to handle dense environments with less interference and higher throughput compared to older standards like 802.11ac.

Answer

802.11g

Answer

802.11n (Wi-Fi 4)

Answer

802.11ac (Wi-Fi 5)

Question 13

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?

Accepted Answer

MDM. Mobile Device Management (MDM) allows administrators to enforce policies, configure settings, and remotely wipe devices. It is designed for corporate device management.

Answer

Antivirus software

Answer

VPN

Answer

Firewall

Question 14

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

Accepted Answer

Modem. A modem modulates and demodulates signals, converting ISP signals (e.g., cable, DSL) to digital data.

Answer

Switch

Answer

Access point

Answer

Router

Question 15

A company wants to implement a private network for devices within a single building. Which type of network should they use?

Accepted Answer

LAN. A Local Area Network (LAN) connects devices within a limited area like a building or campus.

Answer

WAN

Answer

MAN

Answer

PAN

Question 16

A technician is troubleshooting a network connectivity issue. The user can access local network resources but cannot browse the internet. The technician suspects a DNS problem. Which of the following is the primary function of DNS?

Accepted Answer

Translate domain names to IP addresses. DNS translates human-readable domain names (e.g., www.example.com) into IP addresses that computers use to communicate.

Answer

Filter unwanted network traffic

Answer

Provide wireless network access

Answer

Assign IP addresses to devices on the network

Question 17

A technician is setting up a small office network with 10 computers and one printer. The network should allow devices to communicate with each other and share the printer. Which TWO of the following components are essential?

Accepted Answer

Router. A switch connects devices within the LAN; a router connects the LAN to the internet (if needed) and provides DHCP.

Answer

Firewall

Answer

Access point

Answer

Modem

Question 18

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

Accepted Answer

NVMe M.2. NVMe M.2 uses the PCIe bus, offering much higher speeds than SATA.

Answer

USB 3.0

Answer

SATA

Answer

Ethernet

Question 19

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?

Accepted Answer

Bluetooth. Bluetooth is a short-range wireless technology commonly used for peripherals like keyboards and mice.

Answer

Wi-Fi

Answer

Cellular

Answer

NFC

Question 20

A user needs to print a large number of color brochures with high-quality images. Which type of printer would produce the best color output for this task?

Accepted Answer

Inkjet printer. Inkjet printers generally produce better color quality for images and photos compared to laser printers.

Answer

Dot-matrix printer

Answer

Laser printer

Answer

Thermal printer