FC0-U71 Practice Test 18 — 15 Questions

Question 1

A student is converting the hexadecimal number 2F to decimal. What is the correct decimal value?

Accepted Answer

47. Hexadecimal 2F: 2*16 + 15 = 32 + 15 = 47.

Answer

59

Answer

32

Answer

63

Question 2

A system administrator is configuring a server to provide email services for a small business. The business wants to avoid managing the underlying infrastructure. Which cloud service model best fits this need?

Accepted Answer

SaaS. Software as a Service (SaaS) provides ready-to-use software over the internet, such as Office 365 for email.

Answer

IaaS

Answer

DaaS

Answer

PaaS

Question 3

A junior developer is tasked with fixing a bug where a variable is unexpectedly undefined. The developer suspects the variable is not within scope. Which programming concept describes where a variable can be accessed?

Accepted Answer

Scope. Scope is the programming concept that defines the region of code where a variable is accessible. If a variable is unexpectedly undefined, it is often because it was declared outside the current block or function, making it out of scope. In JavaScript, for example, variables declared with `let` or `const` inside a block are not accessible outside that block.

Answer

Loop

Answer

Data type

Answer

Function

Question 4

Which of the following units represents the largest amount of data?

Accepted Answer

Terabyte (TB). TB (terabyte) is larger than GB, MB, and KB. 1 TB = 1024 GB, 1 GB = 1024 MB, 1 MB = 1024 KB.

Answer

Megabyte (MB)

Answer

Gigabyte (GB)

Answer

Kilobyte (KB)

Question 5

A technician is choosing a printer for a home office that needs high-quality color photo prints. Which TWO printer types are most suitable?

Accepted Answer

Inkjet. Inkjet printers produce high-quality color photos. Laser printers are better for text, but some color lasers can also print good photos, though inkjets are preferred.

Answer

Dot matrix

Answer

3D printer

Answer

Thermal

Question 6

A company is choosing between public, private, and hybrid cloud deployments. Which TWO statements correctly describe characteristics of these cloud models? (Select TWO.)

Accepted Answer

In a public cloud, resources are shared among multiple organizations.. Public cloud resources are shared across multiple tenants. Private cloud is dedicated to a single organization. Hybrid combines both.

Answer

Public cloud offers the highest level of control over security.

Answer

Private cloud requires no upfront capital expenditure.

Answer

A private cloud is owned and operated by a third-party provider.

Question 7

A technician is troubleshooting a computer that fails to boot. Which of the following types of firmware is responsible for initializing hardware and loading the operating system?

Accepted Answer

BIOS/UEFI. BIOS/UEFI is firmware that initializes hardware and boots the OS. The OS itself, boot loader, and device drivers are software loaded later.

Answer

Operating system kernel

Answer

Boot loader

Answer

Device driver

Question 8

A file is compressed using a lossless algorithm. Which of the following file types is most likely the result?

Accepted Answer

PNG. PNG uses lossless compression. JPEG is lossy. MP3 is lossy audio. ZIP is a lossless archive format. The question asks for a file type (not archive).

Answer

MP3

Answer

JPEG

Answer

ZIP

Question 9

A user wants to save a photo with the highest quality but does not care about file size. Which file format should they use?

Accepted Answer

PNG. Lossless formats like PNG preserve all data, while lossy formats like JPEG reduce quality for smaller size.

Answer

JPEG

Answer

ZIP

Answer

MP3

Question 10

A user notices that a file saved as a JPEG is smaller than the original BMP file. Which type of compression does JPEG typically use?

Accepted Answer

Lossy compression. JPEG uses lossy compression, which discards some data to reduce file size.

Answer

Run-length encoding

Answer

Uncompressed

Answer

Lossless compression

Question 11

A user wants to upgrade a desktop computer for better gaming performance. Which TWO components should the user consider upgrading to improve graphics processing? (Select TWO).

Accepted Answer

Graphics processing unit (GPU). GPU (graphics card) and RAM (system memory) both impact gaming performance. CPU also matters but the question specifically says graphics processing.

Answer

Central processing unit (CPU)

Answer

Power supply unit (PSU)

Answer

Hard disk drive (HDD)

Question 12

A company wants to manage and secure employee smartphones used for work. Which technology should they implement?

Accepted Answer

MDM. MDM (Mobile Device Management) allows centralized management of mobile devices.

Answer

DNS

Answer

VPN

Answer

NAT

Question 13

Which of the following best describes the function of an operating system?

Accepted Answer

It manages hardware resources and provides services for application software.. An operating system manages hardware resources and provides a platform for applications to run.

Answer

It connects to the internet and browses web pages.

Answer

It converts high-level code into machine code.

Answer

It performs calculations for scientific simulations.

Question 14

Which of the following best describes the function of a CPU cache?

Accepted Answer

It provides temporary storage for data the CPU needs quickly.. CPU cache is a small, fast memory that stores frequently accessed data to speed up processing.

Answer

It connects the CPU to the motherboard.

Answer

It stores the operating system permanently.

Answer

It performs arithmetic calculations.

Question 15

A developer is writing code and uses a variable to store a user's age. Which TWO data types are appropriate for storing a whole number age?

Accepted Answer

Integer. A whole number age can be stored as an integer data type (C) which is specifically designed for integers, or as a float data type (E) which can represent whole numbers without decimal points as floating-point numbers. Both are appropriate, though integer is more efficient. The other types (Boolean, Character, String) are not suitable for numeric storage.

Answer

Boolean

Answer

Character

Answer

String