FC0-U71 Questions and Answers

The CompTIA Tech+ Study Guide (Exam FC0-U71, 3rd Edition, 2025) clearly states:

“If you need to have multiple concurrent users accessing data, you need a database. Flat files don’t do well when several people try to access them at once. In the vast majority of cases, one user might be able to write to the file, but all users will be limited to a read-only copy.”

It further explains that:

“Databases generally lock only on a record level (or individual line of data), so multiple people can actively use the database at one time.”

Therefore, the best reason to convert a large spreadsheet to a database is to allow multiple concurrent users to access and update the data simultaneously without conflicts.

Verified Reference:

Chapter 7: Database Fundamentals — “When to Use Databases” (pp. 389–391).

The CompTIA Tech+ Study Guide explains:

“Firewalls filter network traffic. Firewalls filter inbound and outbound network traffic based on rules defined by the administrator. That list of rules is called an access control list (ACL). By default, most firewalls are configured as default deny, which means that all traffic is blocked unless specifically authorized by the administrator.”

Therefore, a firewall is the network security device that primarily permits and restricts traffic based on predefined rules.

Verified Reference:

Chapter 5: Software Applications — “Software Firewalls” (pp. 316–317).

Chapter 8: Networking Concepts and Technologies — “Firewalls” (pp. 447–448).

The CompTIA Tech+ Study Guide states:

“Floats are numbers that include decimals. Integers are whole numbers with no decimals, and strings are text.”

An example from the book:

“It’s a float data type, which is a number with a decimal place.”

Therefore, -2.34 represents a float.

Verified Reference:

Chapter 6: Software Development Concepts — “Data Types and Structures” (pp. 372–373).

The correct answer is B. Firewall. A firewall filters network traffic based on configured rules. To disallow inbound file-sharing connections, the firewall can block the relevant inbound traffic. Anti-malware scans for malicious software, multifactor authentication verifies identity, and certificates help establish trust or encryption, but a firewall is the correct control for blocking inbound network connections.

Exact Extract/Reference: The CompTIA Tech+ Study Guide states that firewalls “filter inbound and outbound network traffic based on rules defined by the administrator.” It also explains that host-based firewalls protect one computer and that Windows includes Microsoft Defender Firewall. The guide further explains that firewall ACLs determine which traffic is passed and which traffic is blocked.

A loop is a programming construct that repeats a set of instructions while a condition is true. This is used to automate repetitive tasks in code.

“Loops are used in programming to execute the same block of code multiple times under specific conditions.” — CompTIA ITF+ Programming Concepts

Correct answer: A

Meaningful reporting refers to the process of analyzing and summarizing data into actionable insights to support business decisions.

“Reports generated from data analytics provide meaningful insights to support strategic decision-making by company leadership.” — CompTIA ITF+

Correct answer: A

The correct answer is B. Drivers. A printer driver is required so the operating system can communicate with the printer. If the printer is connected and appears to be set up but still does not work, an incorrect, missing, or outdated driver is the most likely cause. Services, permissions, and extensions can affect some systems, but the most direct and common issue after printer setup is driver installation.

Exact Extract/Reference: The CompTIA Tech+ Study Guide states that, in addition to connecting the printer, “you need to install a special piece of software called a printer driver so the operating system knows how to talk to the printer.” The guide also explains that after hardware installation, the operating system either detects the device automatically or the user must install a driver manually.

Verified and corrected questions 172–178:

The CompTIA Tech+ Study Guide (Exam FC0-U71, 3rd Edition, 2025) explains that software requiring activation often stops working after a trial period—typically 30 days—until a valid product key is entered:

“Activating software is a different story—you have to do it. Either you will need to enter the product key before the app will work the first time, or it might work for a few times for free then ask you to activate. Some products… include activation features that lock the installed copy… Usually you have 30 days to do so, or a certain number of uses, before it stops working.”

This clearly identifies a product key as the required input to activate or continue using the software.

Verified Reference:

Chapter 5: Software Applications — “Registering and Activation” (pp. 288–290).

The question asks how the value 9 can be represented using only ones and zeros, which is the definition of binary. In binary, the decimal number 9 is represented as 1001.

“Binary is a base-2 numeral system that represents numeric values using only two symbols: 0 and 1. Computers use binary to process and store all data.” — CompTIA ITF+ Study Guide

Correct answer: C

Markup languages, such as HTML and XML, use tags (e.g., < p > , < title > , < body > ) to define the structure and presentation of data. They are not programming languages in the traditional sense, as they don ' t include logic or execution flow.

“Markup languages use tags to annotate and structure text. Common examples include HTML and XML.” — CompTIA ITF+ Software Concepts

Correct answer: A

A cable lock (also called a Kensington lock) physically secures the laptop to a fixed object, making it difficult to steal in public spaces.

“Cable locks are physical security devices used to deter laptop theft by anchoring the device to a desk or other stationary object.” — CompTIA ITF+ Official Guide

A. Firewall is software-based and protects data, not the device.

B. Privacy shields prevent screen visibility, not theft.

C. USB locks prevent port access but not physical theft.

Correct answer: D

Generative AI is used to create new content including images, music, videos, or text. This includes tasks like image editing, enhancement, or generation using tools such as DALL·E, MidJourney, or generative adversarial networks (GANs).

“Generative AI creates new data or content, such as images, music, or text. It is commonly used in image editing, graphic design, and media production.” — CompTIA ITF+ Guide

Other AI types:

Assistive AI helps with tasks like navigation or text suggestions.

Predictive AI forecasts outcomes using existing data.

Chatbots simulate conversation, often in customer service.

The syntax shown uses tags like < BODY > and < P > , which are characteristic of a markup language, specifically HTML (HyperText Markup Language). Markup languages describe the structure and presentation of text.

“Markup languages, such as HTML and XML, are used to annotate text so that the computer can manipulate it. HTML is used to design the structure of web pages using tags like < body > , < p > , < h1 > , etc.” — CompTIA ITF+ Official Guide

Other options:

Query languages like SQL retrieve data.

Compiled languages require compilation into machine code (e.g., C++).

Scripting languages are used for automation but don’t use markup syntax.

Correct answer: A

Device physical addresses, such as MAC (Media Access Control) addresses, are represented in hexadecimal format. A typical MAC address looks like 00:1A:2B:3C:4D:5E, using base-16 values (0–9 and A–F).

“MAC addresses are 48-bit identifiers assigned to network interfaces, commonly displayed in hexadecimal format.” — CompTIA ITF+ Networking Fundamentals

Correct answer: A

E-readers (especially those using e-ink displays) are specifically designed for reading in bright environments. E-ink mimics the appearance of ink on paper, offering excellent visibility in sunlight with minimal glare and very low power consumption.

“E-readers use e-ink technology which makes the screen easily readable in bright environments like sunlight. This makes them ideal for reading documentation outdoors.” — CompTIA ITF+ Guide

Laptops, tablets, and smartphones may suffer from glare or screen dimming in direct sunlight.

Correct answer: C

The correct answer is A. Fiber. The typing error “SPF” should be corrected to “SFP,” which stands for small form-factor pluggable. SFP is used with fiber-optic network connections. Ethernet/RJ45 is associated with twisted-pair copper cables. Lightning is an Apple connector, and Thunderbolt is a high-speed peripheral/display interface, not the best match for an SFP router connection.

Exact Extract/Reference: The CompTIA Tech+ Study Guide identifies the “small form-factor pluggable (SFP) connector” as the fiber connector and states, “remember there is RJ45 for twisted-pair copper cables and SFP for fiber-optic cables.”

NVMe (Non-Volatile Memory Express) drives are high-speed storage devices that commonly use the M.2 form factor. M.2 allows for compact design and direct connection to the motherboard.

“M.2 is a compact form factor used for high-speed NVMe and SATA SSDs, enabling faster storage access in modern systems.” — CompTIA ITF+ Hardware Overview

Correct answer: A

The CompTIA Tech+ Study Guide identifies RJ45 as the standard Ethernet connector:

“An RJ45 connector is used to connect network cables to devices such as switches, routers, and computers. It’s the most common connector for Ethernet networking.”

RJ45 connectors terminate Cat 5, 5e, and 6 cables for network communication.

Verified Reference:

Chapter 2: Peripherals and Connectors — “Network Connectors: RJ45” (pp. 90–92).

Because the pay rate is fixed and does not change for all workers, it is best represented as a constant in code. Constants are variables whose values do not change during execution.

“Constants are used in programming to represent fixed values that do not change during the run of a program.” — CompTIA ITF+ Software Development Guide

Correct answer: C

A char (character) represents a single letter, number, or symbol. It differs from a string, which is a sequence of characters.

“The char data type stores a single alphanumeric character or symbol.” — CompTIA ITF+ Programming Fundamentals

Correct answer: C

To install and use a printer over a network, the printer must have an assigned IP address so that it can be located and communicated with by other devices on the same network.

“Network printers are assigned IP addresses so computers can locate and send print jobs to them over the network.” — CompTIA ITF+ Networking Guide

Correct answer: B

The correct order of storage units from smallest to largest is:

Kilobyte (KB)

Megabyte (MB)

Terabyte (TB)

Petabyte (PB)

“A kilobyte is approximately 1,000 bytes. It is smaller than a megabyte (1 million bytes), terabyte (1 trillion bytes), or petabyte (1 quadrillion bytes).” — CompTIA ITF+ Reference

Hence, C. Kilobyte is the smallest unit listed.

The correct answer is B. 101101. Hexadecimal is base-16. The hexadecimal value 2D equals 2 × 16 plus D. Since hexadecimal letters A through F represent decimal values 10 through 15, D represents 13. Therefore, 2D equals 32 + 13 = 45 in decimal. In binary, 45 is 101101 because it equals 32 + 8 + 4 + 1.

Exact Extract/Reference: The CompTIA Tech+ Study Guide explains that hexadecimal is “base-16” and that letters A through F represent decimal numbers 10 through 15. It also provides the binary place values used for conversion: 128, 64, 32, 16, 8, 4, 2, and 1.

Verified and corrected questions 166–171:

A simple static web page is best created using a markup language, such as HTML. Markup languages describe the structure and formatting of content on a web page.

“Markup languages like HTML are used to design and structure static web content. They do not contain logic or interactivity like scripting languages.” — CompTIA ITF+ Study Guide

Correct answer: D

The CompTIA Tech+ Study Guide highlights that:

“If no sound is coming from your speakers, even after confirming they’re powered and connected, check your sound settings. The wrong output device may be selected—especially when multiple audio devices are present.”

This describes a misconfigured output—where the OS is sending audio to the wrong device (e.g., Bluetooth or HDMI).

Verified Reference:

Chapter 4: Operating Systems — “Troubleshooting Sound Devices” (pp. 232–233).

An e-reader is specifically designed for reading digital books using e-ink displays, which are easy on the eyes and readable in bright sunlight. They are lightweight, power-efficient, and ideal for book reading.

“E-readers use electronic ink displays for reading digital books, providing long battery life and excellent visibility in various lighting conditions.” — CompTIA ITF+

Correct answer: B

USB-C supports bidirectional communication, which means it can both send and receive data, including video, audio, power, and data signals over the same cable. This is unlike traditional video cables such as VGA, DVI, or even DisplayPort, which primarily transmit data in one direction.

“USB-C is a reversible connector capable of transmitting power, data, video, and audio signals. It is also bidirectional, allowing two-way communication between devices.” — CompTIA ITF+ Study Guide

VGA, DVI, and even DisplayPort are primarily unidirectional video outputs.

Only USB-C fully supports modern bidirectional multimedia communication.

Correct answer: D

Disk management is the OS feature used to create, delete, format, or partition storage devices. It allows users to manage drives and volumes locally.

“Disk management tools are used to manage and configure storage devices, including creating and formatting partitions and volumes.” — CompTIA ITF+ Operating System Features

Correct answer: D

Data monetization refers to generating revenue from data assets, such as selling access or insights from collected user data to third parties.

“Data monetization involves using data to generate economic value — for example, selling user data to vendors or advertisers.” — CompTIA ITF+ Data Concepts

Correct answer: A

In CompTIA Tech+ Study Guide (Exam FC0-U71, 3rd Edition, 2025), the section “Reviewing Throughput Speeds” explains:

“The most basic measure of throughput is in bits per second (bps)—that is, how many bits are transmitted across the network media (or wireless connection) any given second. Each of the following designations increases that speed by 1000 times:

■ Kilobits per second (Kbps)

■ Megabits per second (Mbps)

■ Gigabits per second (Gbps)

■ Terabits per second (Tbps)”

This shows that Mbps (megabits per second) is the standard measurement unit for Internet connection speed.

802.11X is a wireless security standard,

MHz measures processor frequency, and

Bytes measure data size, not transfer rate.

Verified Reference:

Chapter 8: Networking Concepts and Technologies — “Reviewing Throughput Speeds” (pp. 424–425).

Chapter 2: Peripherals and Connectors — “Throughput units of measure” (p. 80).

A LAN (Local Area Network) connects devices in a limited geographical area such as a building or office.

“A LAN is a network that connects computers within a small geographical area such as a home, school, or office building.” — CompTIA ITF+ Networking Fundamentals

Correct answer: C

A variable is a named space in memory used to store data that can change during program execution.

“Variables are memory storage locations used to hold data that can change while a program runs.” — CompTIA ITF+ Programming Concepts

Correct answer: A

UESTION NO: 83 [IT Concepts and Terminology]

A systems administrator resolves a persistent issue with a laptop. Which of the following steps should the administrator take next?

A. Test the theory.

B. Document the findings.

C. Create an action plan.

D. Implement the action plan.

Answer: B

After resolving the issue, the final step in the CompTIA troubleshooting methodology is to document the findings. This includes noting what was done, what caused the issue, and how it was resolved, so others can reference it in the future.

“After resolving and verifying the issue, document the findings, actions taken, and outcomes to complete the troubleshooting process.” — CompTIA ITF+ Troubleshooting Steps

Correct answer: B

The correct answer is A. OEM. A vendor/manufacturer website is an original equipment manufacturer source when it is owned by the company that made or provides the software or driver. The question says the driver is found on the vendor’s website, not an app store, third-party site, or SaaS platform. SaaS means Software as a Service and refers to cloud-hosted applications, not a printer driver download source.

Exact Extract/Reference: The Tech+ Study Guide states that “An original equipment manufacturer (OEM) website is one owned by the developer of the software,” and that software from an OEM website is legitimate and trusted. It also gives a printer driver example where the HP support site is identified as an OEM website.

In the CompTIA Tech+ Study Guide (Exam FC0-U71, 3rd Edition, 2025), an array is described as:

“An array is a data structure that stores multiple values of the same data type under a single variable name. Each value in the array can be accessed using an index or key. Arrays are commonly used to organize related sets of data such as names, numbers, or records that share a common context.”

The guide illustrates how arrays can hold tabular data, similar to a spreadsheet or database table:

“Arrays let programmers store data in a table-like format, using rows and columns to represent related values, such as months and corresponding totals. This makes it easier to manage and manipulate structured data programmatically.”

In contrast:

A constant is a fixed value that cannot change during program execution.

A function performs an operation or returns a value based on parameters.

A variable holds a single value that can change.

Since the dataset represents multiple related values (Food and Drinks) across months in a table structure, it is an array.

Verified Reference from CompTIA Tech+ Study Guide, Exam FC0-U71 (3rd Edition, 2025):

Chapter 6: Software Development Concepts — “Data Types and Structures” section (pages 371–372).

Exam Objective 6.2 — Recognize basic programming structures such as arrays and variables.

The CompTIA Tech+ Study Guide (Exam FC0-U71, 3rd Edition, 2025) explains:

“Inside the BIOS, you can make system configuration selections such as changing the system time, selecting a preferred boot device, or enabling/disabling features.”

Additionally, it details:

“The CMOS chip must have power constantly or it will lose its information (just like RAM does when your computer is powered off). To prevent CMOS from losing its rather important information, motherboard manufacturers include a small battery called the CMOS battery to power the CMOS memory.”

If the system time resets or becomes incorrect after power off, it indicates a BIOS or CMOS battery issue. Configuring or replacing the BIOS/CMOS settings resolves it.

Verified Reference:

Chapter 1: Core Hardware Components — “BIOS and CMOS” (pp. 20–21).

Satellite internet typically suffers from higher latency due to the long distances signals must travel to orbit and back. Even with high download speeds, the time delay in communication is significant.

“Satellite internet often experiences high latency due to the long signal travel time between Earth and orbiting satellites.” — CompTIA ITF+ Networking Concepts

Correct answer: C

Interference or poor signal strength is a common issue in Wi-Fi networks, especially in distant or obstructed locations like basements.

“Physical obstructions and electronic interference can weaken wireless signals, leading to connectivity issues in areas like basements.” — CompTIA ITF+ Networking Fundamentals

Correct answer: A

The correct answer is A. Remove unnecessary software. Removing software that is not needed is a device-hardening step. Unnecessary applications can increase the attack surface of a laptop, so removing them helps reduce vulnerabilities. Installing drivers may be required for hardware functionality, but it is not the best security improvement. Configuring backups helps with recovery, but it does not directly harden the device. Benchmark testing measures performance, not security.

Exact Extract/Reference: The CompTIA Tech+ Study Guide explains that device hardening makes a device harder to exploit and includes “removing or disabling unused software and services.” The guide’s Chapter 11 lab also lists the task “Remove unwanted, unnecessary, or malicious software.”

The correct answer is B. Import. To populate a database from a flat file, data must be brought into the database. That function is called importing. Create is used to create a database or database structure, not to fill it with existing data. Query is used to retrieve or manipulate data after it exists in the database. Report is used to present database information in a readable format.

Exact Extract/Reference: The CompTIA Tech+ Study Guide states that “you can import data from Excel into a database application, such as Access.” It also summarizes database work by saying databases are created, data is imported or inputted, and then queries and reports can be run.

Gaming monitors are often described using refresh rates, which are measured in hertz (Hz), often specified in MHz for related processing frequencies. The CompTIA ITF+ FC0-U71 Official Study Guide states:

" Monitor refresh rate refers to how many times per second the screen updates, usually measured in Hz. "

" MHz (megahertz) is used for various frequencies, including GPU and monitor refresh processing. "

GPU and RAM refer to hardware components, TB measures storage, and MHz relates to the frequency, applicable for monitor performance metrics.

Compiled languages (e.g., C, C++, Go) are translated into machine code before execution, making them faster and more efficient at runtime than interpreted or scripting languages.

“Compiled code is translated into machine language before execution, providing faster performance compared to interpreted code.” — CompTIA ITF+ Software Concepts

Correct answer: B

Personally Identifiable Information (PII) refers to any data that can be used to identify an individual uniquely. Full name and date of birth are classic examples of PII.

“PII includes data such as names, birth dates, Social Security numbers, and other information that can directly or indirectly identify a person.” — CompTIA ITF+ Security Essentials

Correct answers: A and B

A MAC (Media Access Control) address is a hardware address assigned to a network interface card. It follows a 48-bit hexadecimal format usually displayed as six pairs separated by colons or hyphens:

“MAC addresses typically appear as 00:50:09:2D:4D:94.”

192.68.10.24 is an IPv4 address, fe80:102d:cd62:5434:82ae is an IPv6 address, and 0x3476 is simply a hexadecimal number, not a MAC address.

Browsers store previously loaded pages in their cache to improve performance. If outdated content is cached, clearing the cache forces the browser to load the latest version from the server.

“Clearing the browser cache removes stored versions of web pages and resolves display issues caused by outdated content.” — CompTIA ITF+

Correct answer: C

The CompTIA Tech+ Study Guide explains:

“A compiled programming language is one that requires the use of a compiler to translate it into machine code. Creating and using a program using a compiled language consists of three steps:

Write the source code.

Use a compiler to translate the source code into machine code.

Execute the program file, which usually has an .exe extension.”

Compiled languages package programs into executable files.

Verified Reference:

Chapter 6: Software Development Concepts — “Compiled Languages” (pp. 361–363).

According to the CompTIA Tech+ Study Guide (Exam FC0-U71, 3rd Edition, 2025):

“A crimper is used to attach modular connectors, such as RJ45 or RJ11, to network or phone cables. The crimper pushes the metal contacts into the wires, securing them in place.”

Punchdown tools, by contrast, are used for patch panels or keystone jacks, not RJ45 ends.

Verified Reference:

Chapter 2: Peripherals and Connectors — “Networking Tools: Crimpers, Punchdown Tools, Cable Testers” (pp. 106–108).