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

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

The correct answer is B. Document the findings. In the troubleshooting methodology, after the issue has been resolved and functionality has been verified, the final step is to document the findings, lessons learned, actions, and outcomes. Testing the theory, creating an action plan, and implementing the action plan all happen before the problem is resolved.

Exact Extract/Reference: The CompTIA Tech+ Study Guide lists the troubleshooting steps in order: identify the problem, establish a theory, test the theory, establish a plan and implement the solution, verify full system functionality, and finally “Document findings/lessons learned, actions, and outcomes.”

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).

Artificial intelligence (AI) powers predictive text by analyzing user input patterns and language models to suggest likely words or phrases.

“AI enables predictive text by using language models and historical input to forecast what the user intends to type next.” — CompTIA ITF+ Emerging Technologies

Correct answer: C

This scenario describes a policy where the system enforces password expiration, prompting users to update passwords after a defined period.

“Password expiration is a security policy that requires users to reset their passwords periodically—commonly 30, 60, or 90 days—to mitigate the risk of compromised credentials.” — CompTIA ITF+ Objectives

Password privacy refers to keeping the password confidential.

Password history restricts reuse of old passwords.

Password complexity enforces character rules (e.g., uppercase, numbers, symbols).

Correct answer: D

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).

The least privilege model is a principle of giving users the minimum level of access needed to perform their roles. Removing unnecessary access aligns with this principle.

“Least privilege limits users to only the resources necessary for their duties, reducing the risk of unauthorized access.” — CompTIA ITF+ Security Essentials

Correct answer: A

The CompTIA Tech+ Study Guide states:

“Nearly every program running on a computer is run as a process. This includes system operations, background tasks, and applications… The Task Manager utility helps you see everything that’s running on a computer… If I have an app that’s taking up too much memory, I can click it and then click End Task to shut it down. This is also known as killing the process.”

Thus, process management is the OS function that allows users to stop (terminate) running applications.

Verified Reference:

Chapter 4: Operating Systems — “Process Management” (pp. 238–240).

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

According to the CompTIA Tech+ Study Guide:

“Changing Default Usernames and Passwords — The first thing a potential hacker will try to use is the default username or password for a device. Always change them.”

It also emphasizes:

“Enabling passwords and changing default usernames and passwords are essential password management best practices.”

Therefore, the correct action after server setup is to change the default usernames and passwords to secure the system.

Verified Reference:

Chapter 11: Security Best Practices — “Managing Passwords” (pp. 594–595).