What is the role of a firewall in a home network? MCQ with Answer and Explanation

Question
What is the role of a firewall in a home network?
A. To manage user accounts
B. To increase internet speed
C. To protect devices from external threats
D. To provide Wi-Fi connectivity
Answer: Option C
Solution (By JKSSB Mock Tests)
A home firewall protects personal devices from unauthorized access and malicious traffic coming from the internet.
This question belongs to: Computer Cyber Security
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Practice More Cyber Security Questions

Question #1
Which of the following is a method to protect against social engineering attacks?
A. Installing a firewall
B. Using antivirus software
C. Security awareness training
D. Encrypting data
Discuss
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Correct Answer: Option C

Explanation:
Security awareness training educates employees about social engineering tactics, helping them recognize and avoid manipulation attempts.
This question belongs to: Computer Cyber Security
Question #2
Which of the following is an example of a physical security measure in cybersecurity?
A. Installing antivirus software
B. Implementing a firewall
C. Using encryption
D. Using biometric access controls to a data center
Discuss
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Correct Answer: Option D

Explanation:
Biometric access controls, such as fingerprint or iris scanners, are physical security measures that restrict physical access to sensitive areas like data centers.
This question belongs to: Computer Cyber Security
Question #3
Which defensive security tool intercepts client network calls, masking internal infrastructure topologies while filtering outbound requests for web safety configurations?
A. Stateful Packet Matrix
B. Intrusion Detection Loop
C. Proxy Server / Reverse Proxy
D. Virtual Private Network
Discuss
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Correct Answer: Option C

Explanation:
Proxy servers intercept and forward requests between networks, masking internal infrastructure topologies and filtering incoming web traffic.
This question belongs to: Computer Cyber Security
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