Pass the CompTIA Tech+ FC0-U71 Questions and answers with ValidTests

Output devices display or present data to users:

“A Smart TV displays visual and audio output, qualifying it as an output device.”

Web cameras, keyboards, and microphones are input devices that capture data rather than display or present it.

The CompTIA Tech+ Study Guide (Exam FC0-U71, 3rd Edition, 2025) defines hexadecimal as follows:

“The hexadecimal notational system, or base-16… In hex, the numbers 0 to 9 are used, just like in decimal. However, the letters A to F are used to represent decimal numbers 10 through 15.”

This directly confirms that hexadecimal uses digits 0–9 and letters A–F.

Verified Reference:

Chapter 6: Software Development Concepts — “Notational Systems” (pp. 357–359).

A byte consists of exactly 8 bits. Bits (binary digits) are the smallest unit of data, and eight of them grouped together form one byte, which is used to represent characters and numbers in digital systems.

“A byte is made up of 8 bits and is the standard unit of data used to represent information such as characters in computing.” — CompTIA ITF+ Fundamentals

Correct answer: C

A query is a request for information from a database. Structured Query Language (SQL) is commonly used to retrieve specific records or information from a data set.

“A query is used to extract and retrieve specific data from a database based on defined criteria.” — CompTIA ITF+ Data Concepts

Correct answer: D

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 flat file is a simple database format often stored as a plain text or CSV file. It is ideal for small data sets where speed and simplicity are required.

“Flat files are simple and fast for storing small amounts of data and are easy to process without requiring a full database management system.” — CompTIA ITF+ Data Concepts

Correct answer: A

Anti-malware software is specifically designed to detect, quarantine, and remove malicious software from a system. It is the most appropriate tool for protecting a computer after a suspicious or infected file is downloaded.

“Anti-malware software scans downloaded files and running processes to identify and remove malicious software, providing real-time protection against viruses, trojans, and spyware.” — CompTIA ITF+ Study Guide

Other options:

B. Firewall – Prevents unauthorized access but doesn’t clean infections

C. Patching – Prevents exploitation of known vulnerabilities, not infection removal

D. Permissions – Limit access but do not remove malware

Correct answer: A

A password reuse policy prevents users from using the same password across multiple platforms or reusing previously used passwords. This is a best practice to reduce the risk of credential stuffing attacks.

“Password reuse policies help ensure users do not reuse old or existing passwords across multiple platforms, reducing exposure from compromised accounts.” — CompTIA ITF+ Security Objectives

Correct answer: A

The CompTIA troubleshooting methodology is clearly outlined:

"Once a theory of probable cause has been established, the next step is to test that theory."

Testing confirms whether the identified potential cause is correct before proceeding with action planning, repairs, or documentation.

CPU speed is measured in megahertz (MHz) or gigahertz (GHz), indicating how many million or billion cycles the processor can execute per second.

“CPU performance is commonly measured in megahertz (MHz) or gigahertz (GHz), representing the processor’s clock speed.” — CompTIA ITF+

MB is for memory/storage size.

Mbps is for network speed.

MAC is a hardware address, not a performance metric.

Correct answer: A