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CompTIA Certification
FC0-U71 Exam
CompTIA.FC0-U71.v2026-08-14.q159 Dumps

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Question 81

Which of the following represents the value of 9 with ones and zeros?

A.Octal
B.Decimal
C.Binary
D.Hexadecimal

Correct Answer: C

Binary represents numbers using only ones and zeros. The value 9 in binary is 1001.
Other options:
*Decimal uses base 10,
*Octal uses base 8,
*Hexadecimal uses base 16.

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Question 82

A user is unable to connect from one workstation to another workstation. Which of the following should be configured to fix this issue?

A.Firewall
B.Database
C.Anti-maIware
D.Certificate

Correct Answer: A

A firewall may be blocking the connection between the two workstations. Configuring it to allow the necessary traffic can resolve connectivity issues.

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Question 83

A user receives a notification about a new software vulnerability. Which of the following is the best way to secure the software?

A.Configuring a firewall
B.Applying updates
C.Enabling authentication
D.Uninstalling the program

Correct Answer: B

When a new vulnerability is discovered in software, the best way to secure it is by applying updates (patches) released by the software vendor. According to the CompTIA ITF+ objectives:
"Vendors regularly release software updates and security patches to fix vulnerabilities that could be exploited by attackers. Installing these patches promptly is crucial for maintaining system security." Although configuring a firewall and authentication improves overall security, they do not directly patch or fix the vulnerability. Uninstalling may be an option only if a patch is unavailable or the software is no longer needed. Therefore, the best and most proactive response is B: Apply updates.

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Question 84

Which of the following can be used to input commands for a computer to execute?

A.Services
B.Attributes
C.Process
D.Console

Correct Answer: D

A console (or command-line interface) allows users to input commands for the computer to execute directly.
Other options:
*Services run background tasks,
*Attributes describe properties of objects,
*Process refers to a running program, not a command input method.

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Question 85

A programmer wants to write code that will be more efficient when executed at runtime. Which of the following language types should the programmer use?

A.Markup
B.Compiled
C.Query
D.Scripting

Correct Answer: B

Compiled languages are transformed into machine code before runtime, resulting in faster and more efficient execution compared to interpreted scripting languages.

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