Which technical mechanism isolates corporate servers from the public internet, routing all external requests through an intermediate gateway that filters malicious payloads? MCQ with Answer and Explanation

Question
Which technical mechanism isolates corporate servers from the public internet, routing all external requests through an intermediate gateway that filters malicious payloads?
A. Virtual Private Network
B. Intrusion Detection Loop
C. Stateful Packet Matrix
D. Proxy Server / Reverse Proxy
Answer: Option D
Solution (By JKSSB Mock Tests)
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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Practice More Cyber Security Questions

Question #1
Which of the following is a common technique used by attackers to gain unauthorized access?
A. Installing a firewall
B. Encrypting data
C. Using antivirus software
D. Brute force attack
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Correct Answer: Option D

Explanation:
A brute force attack involves trying all possible combinations of passwords or keys until the correct one is found, gaining unauthorized access.
This question belongs to: Computer Cyber Security
Question #2
What is the role of encryption in protecting data?
A. To delete data
B. To ensure data confidentiality and integrity
C. To reduce data speed
D. To increase data size
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Correct Answer: Option B

Explanation:
Encryption protects data confidentiality by making it unreadable to unauthorized parties and ensures integrity by detecting any unauthorized modifications to the data.
This question belongs to: Computer Cyber Security
Question #3
What form of social engineering trick uses fraudulent phone calls from threat actors pretending to be bank employees to verify a target's credit card number?
A. Whaling
B. Vishing
C. Pharming
D. Smishing
Discuss
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Correct Answer: Option B

Explanation:
Vishing uses deceptive voice calls and social engineering strategies to trick victims into disclosing sensitive corporate or personal details.
This question belongs to: Computer Cyber Security
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