FC0-U71 Tech Concepts and Terminology Practice Test 2 — 15 Questions

Question 1

What is the decimal equivalent of the binary number 1101?

Accepted Answer

13. Binary 1101 = 1*8 + 1*4 + 0*2 + 1*1 = 13.

Answer

15

Answer

10

Answer

12

Question 2

A technician is troubleshooting a network issue and needs to view the MAC address of a device. Which notational system is the MAC address most likely represented in?

Accepted Answer

Hexadecimal. MAC addresses are typically represented in hexadecimal (base-16) format, e.g., 00:1A:2B:3C:4D:5E.

Answer

Octal

Answer

Decimal

Answer

Binary

Question 3

A programmer writes a loop that performs a bitwise AND operation between the byte 0b11001100 and the mask 0b00001111. What is the result in decimal?

Accepted Answer

12. 0b11001100 AND 0b00001111 = 0b00001100 = 12 decimal.

Answer

204

Answer

0

Answer

15

Question 4

Which of the following storage technologies uses spinning platters and a mechanical arm to read and write data?

Accepted Answer

HDD. HDDs (Hard Disk Drives) use spinning magnetic platters and a mechanical read/write head.

Answer

RAM

Answer

Firmware

Answer

SSD

Question 5

A user is concerned about losing edits to a document if the power fails. Which type of memory is the document most likely stored in while being edited?

Accepted Answer

RAM. RAM (Random Access Memory) is volatile; data is lost when power is removed. The document is stored in RAM during active editing.

Answer

Cache

Answer

HDD

Answer

ROM

Question 6

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 7

A company wants to run multiple operating systems on a single physical server to maximize resource utilization. Which technology should they use?

Accepted Answer

Virtual machines. Virtualization, via a hypervisor, allows multiple VMs (each with its own OS) to run on one physical host.

Answer

Dual booting

Answer

Cloud computing

Answer

Containerization

Question 8

Which of the following is an example of a lossy compression format?

Accepted Answer

JPEG. JPEG is a lossy image compression format that discards some data to reduce file size.

Answer

GIF

Answer

PNG

Answer

ZIP

Question 9

Which component on the motherboard is responsible for temporarily storing frequently accessed data to speed up processing?

Accepted Answer

Cache. CPU cache (L1, L2, L3) is a small, fast memory that stores frequently accessed data.

Answer

GPU

Answer

SSD

Answer

RAM

Question 10

A technician is installing a new graphics card and needs to connect it to the motherboard. Which type of slot is typically used for a dedicated GPU?

Accepted Answer

PCIe slot. PCI Express (PCIe) slots, especially x16, are used for graphics cards.

Answer

DIMM slot

Answer

M.2 slot

Answer

SATA port

Question 11

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 12

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 13

A network technician is analyzing a hexadecimal IP address representation. Which TWO of the following are common uses of hexadecimal notation? (Select TWO).

Accepted Answer

It is used for memory addresses and MAC addresses.. In the context of IP address representation, hexadecimal notation is used for memory addresses and MAC addresses (option B) and for HTML color codes (option E). Options A and C, while generally true about hexadecimal, are not specifically about its use in IP address representation. Option D is false because hexadecimal is base-16, not base-8.

Answer

It uses digits 0-9 and letters A-F.

Answer

Each hexadecimal digit represents 4 bits.

Answer

It is a base-8 system.

Question 14

A support technician is explaining file compression to a user. Which THREE of the following are examples of lossless compression formats? (Select THREE).

Accepted Answer

FLAC. Lossless compression preserves all original data. ZIP and PNG are lossless. FLAC is a lossless audio format. JPEG and MP3 are lossy.

Answer

MP3

Answer

JPEG

Question 15

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)