CompTIA FC0-U71 Certification All-in-One Exam Guide Oct-2026 [Q135-Q151]

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CompTIA FC0-U71 Certification All-in-One Exam Guide Oct-2026

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CompTIA FC0-U71 Exam Syllabus Topics:

Topic	Details
Topic 1	Software Development Concepts: This section of the exam measures the skills of Junior Software Developers and introduces foundational knowledge of programming logic, data structures, and the software development life cycle. It includes awareness of coding concepts, algorithm basics, and scripting used in automated and task-based environments.
Topic 2	Infrastructure: This section of the exam measures skills of Network Support Trainees and covers essential knowledge of device setup, networking concepts, and physical and wireless connectivity. It includes an understanding of IP addressing, cables, ports, and basic infrastructure components like routers and switches necessary for setting up secure, functional networks.
Topic 3	Security: This section of the exam measures skills of Cybersecurity Support Interns and covers essential cybersecurity principles, including confidentiality, data protection, user authentication, and malware threats. It also includes awareness of social engineering, encryption, and common best practices for device and network security.

NO.135 A user is unable to load the most recent version of a web page. The old page loads each time the screen is refreshed. Which of the following would the user most likely do to resolve the issue?

Synchronize the profile.

Disable browser extensions.

Clear the cache.

Enable the pop-up blocker.

Clearing the cache removes stored versions of web pages that the browser may be reloading instead of fetching the latest version. This is the most likely fix when a web page displays outdated content.
Profile sync, extensions, and pop-up blockers are unrelated to loading cached pages.

NO.136 Which of the following can transmit graphics but not sound?

HDMI

FireWire

VGA

DisplayPort

VGA (Video Graphics Array) is an analog interface used between a computer and monitor or projector that transmits video signals. Unlike HDMI and DisplayPort, VGA does not support the transmission of audio signals. It only handles graphics, thus it is often used in situations where only video output is needed without audio.

NO.137 A user needs to stop an application that is running on a laptop. Which of the following best describes the part of the OS that is needed to perform this operation?

Task scheduling

Disk management

Access control

Process management

NO.138 An executive is sharing a series of slides with coworkers in a conference room. Which of the following applications is the executive most likely to use?

Presentation software

Conferencing software

Project management software

Visual diagramming software

In a scenario where an executive is sharing slides in a conference room, the most likely application used is presentation software. Presentation software allows users to create slideshows that typically include a variety of elements such as text, images, and videos, which are ideal for delivering information clearly and engagingly during meetings or presentations.
Examples include Microsoft PowerPoint, Google Slides, and Apple Keynote.

NO.139 A student’s attempt to access a teacher’s network folder is denied. Which of the following best explains the reason access is denied?

Location tracking

Firewall certificate

Multifactor authentication

Least privilege model

NO.140 A user needs to protect a file from unauthorized access. Which of the following prevents unauthorized access?

Scanning

Backup

Encryption

Compression

Encryption secures a file by converting its contents into a format that can only be accessed or read with the correct decryption key.

NO.141 A systems administrator requires access to a user’s laptop over a VPN for troubleshooting. Which of the following software types should the systems administrator use?

Collaboration

Productivity

Web browsing

Remote assistance

When a system administrator needs to troubleshoot a user’s laptop remotely, especially over a VPN, they would use remote assistance software. This allows full or partial control over the target system for diagnostic and support tasks.
“Remote assistance software enables support personnel to remotely access and control another computer to perform diagnostics or provide help, often used in IT support scenarios.” – CompTIA ITF+ Guide Correct answer: D

NO.142 A user is configuring a server OS. Which of the following should the user do after setting up the system?

Change the default usernames and passwords.

Synchronize the administrative log-ins with other servers on the domain.

Disable the administrator password.

Clear the password complexity database.

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).

NO.143 A web page is displaying outdated credentials when a user enters information in an online form. Which of the following actions should the user complete first to fix the issue?

Change the user profile.

Turn of pop-up blockers.

Clear the cache.

Remove add-ons.

Clearing the cache removes stored web data, including outdated form entries or credentials that might be automatically populated by the browser.
Changing the user profile, turning off pop-up blockers, or removing add-ons are less likely to resolve this specific issue.

NO.144 Which of the following is used to determine whether users accessed inappropriate online content?

System logs

Cookie data

Location tracking

Web browser history

Web browser history shows the websites that a user has visited and is the most direct way to determine if inappropriate online content was accessed.
Other options:
*System logs typically track system events,
*Cookie data stores session or site preferences,
*Location tracking shows physical location, not browsing activity.

NO.145 A user is writing code to calculate the amount of pay for each worker at a company. The pay rate is the same for all workers. The code will use the formula amount_of_pay = nunber_of_hours * pay_rate Which of the following should be used in the code to represent pay_rate?

Object

Function

Constant

Array

Since pay_rate is the same for all workers and does not change, it should be represented as a constant in the code. Constants are fixed values that do not change during program execution.
Other options:
*Object represents complex data structures,
*Function performs actions or calculations,
*Array holds multiple values, often varying per index.

NO.146 Which of the following best practices can be used to mitigate password reuse?

Password length

Password complexity

Password reset

Password history

Password history is a best practice that helps mitigate password reuse by preventing users from reusing previous passwords. This policy ensures that users must choose new, unique passwords after each reset, enhancing security by reducing the risk of password recycling.

NO.147 Which of the following is required for a cloud network?

Local applications

Credentials

Internet access

Network infrastructure

For a cloud network to function, internet access is essential. This connectivity allows users and devices to access cloud services and resources hosted remotely. Without internet access, the interaction with cloud-based applications and data storage would be impossible, making it a fundamental requirement for utilizing cloud services.

NO.148 Which of the following is used to measure the speed of an internet connection?

802.11X

Mbps

MHz

Bytes

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).

NO.149 Which of the following is an example of PII? (Select two).

Full name

Date of birth

Employment status

School attended

Social media username

City of residence

Personally Identifiable Information (PII) refers to data that can be used to identify, contact, or locate a single person, or to identify an individual in context. A full name and date of birth are classic examples of PII because they can directly identify a person. Other options listed may relate to a person’s life but do not specifically and directly identify an individual in most contexts.

NO.150 A user is writing code to calculate the amount of pay for each worker at a company. The pay rate is the same for all workers. The code will use the formula amount_of_pay = nunber_of_hours * pay_rate Which of the following should be used in the code to represent pay_rate?

Object

Function

Constant

Array

Since pay_rate is the same for all workers and does not change, it should be represented as a constant in the code. Constants are fixed values that do not change during program execution.

NO.151 A technician needs to install input devices while setting up a new desktop PC. Which of the following should the technician install? (Choose two.)

Printer

Mouse

Keyboard

CPU

Speaker

SSD

A mouse and keyboard are standard input devices used to interact with a desktop PC.
Other options:
*Printer and speaker are output devices,
*CPU is a processing unit,
*SSD is a storage device.

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CompTIA FC0-U71 Certification All-in-One Exam Guide Oct-2026 [Q135-Q151]

CompTIA FC0-U71 Exam Syllabus Topics:

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