MCQ Collection
Network Security MCQs
Network Security MCQs covering firewalls, attacks, protocols, and secure communication.
Choose an option to check your answer.
A.
replaces TLS certificates entirely
B.
adds cryptographic validation to DNS data to help prevent forged responses
C.
encrypts every web page payload
D.
turns DNS into a file system
Show Answer
Correct Answer: B. adds cryptographic validation to DNS data to help prevent forged responses
Explanation:
This is correct because DNSSEC adds cryptographic validation to DNS data to help prevent forged responses.
Choose an option to check your answer.
A.
checks only keyboard input
B.
stores only file names
C.
tracks connection state to make more informed traffic decisions
D.
cannot distinguish inbound and outbound flows
Show Answer
Correct Answer: C. tracks connection state to make more informed traffic decisions
Explanation:
The correct answer is that Stateful firewall tracks connection state to make more informed traffic decisions.
Choose an option to check your answer.
A.
cannot be placed inline
B.
is a spreadsheet formula
C.
can detect suspicious activity and actively block or prevent it according to policy
D.
is unrelated to traffic inspection
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Correct Answer: C. can detect suspicious activity and actively block or prevent it according to policy
Explanation:
IPS is best described as something that can detect suspicious activity and actively block or prevent it according to policy.
Choose an option to check your answer.
A.
detects and blocks malicious files or patterns in traffic or endpoints
B.
is a physical lock for racks only
C.
turns UDP into TCP
D.
creates DNSSEC keys automatically
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Correct Answer: A. detects and blocks malicious files or patterns in traffic or endpoints
Explanation:
This is correct because Antivirus filtering detects and blocks malicious files or patterns in traffic or endpoints.
Choose an option to check your answer.
A.
replaces TLS certificates entirely
B.
hides all IP addresses from routers
C.
adds cryptographic validation to DNS data to help prevent forged responses
D.
encrypts every web page payload
Show Answer
Correct Answer: B. hides all IP addresses from routers
Explanation:
The misconception is "hides all IP addresses from routers"; in reality, DNSSEC adds cryptographic validation to DNS data to help prevent forged responses.
Choose an option to check your answer.
A.
works only on printed documents
B.
cannot distinguish inbound and outbound flows
C.
stores only file names
D.
tracks connection state to make more informed traffic decisions
Show Answer
Correct Answer: D. tracks connection state to make more informed traffic decisions
Explanation:
Stateful firewall is best described as something that tracks connection state to make more informed traffic decisions.
Choose an option to check your answer.
A.
is unrelated to traffic inspection
B.
is a spreadsheet formula
C.
can detect suspicious activity and actively block or prevent it according to policy
D.
cannot be placed inline
Show Answer
Correct Answer: C. can detect suspicious activity and actively block or prevent it according to policy
Explanation:
This is correct because IPS can detect suspicious activity and actively block or prevent it according to policy.
Choose an option to check your answer.
A.
detects and blocks malicious files or patterns in traffic or endpoints
B.
is a physical lock for racks only
C.
creates DNSSEC keys automatically
D.
guarantees no user mistakes occur
Show Answer
Correct Answer: D. guarantees no user mistakes occur
Explanation:
The misconception is "guarantees no user mistakes occur"; in reality, Antivirus filtering detects and blocks malicious files or patterns in traffic or endpoints.
Choose an option to check your answer.
A.
works only on printed documents
B.
stores only file names
C.
tracks connection state to make more informed traffic decisions
D.
cannot distinguish inbound and outbound flows
Show Answer
Correct Answer: C. tracks connection state to make more informed traffic decisions
Explanation:
This is correct because Stateful firewall tracks connection state to make more informed traffic decisions.
Choose an option to check your answer.
A.
can detect suspicious activity and actively block or prevent it according to policy
B.
is a spreadsheet formula
C.
cannot be placed inline
D.
only records alerts without action
Show Answer
Correct Answer: D. only records alerts without action
Explanation:
The misconception is "only records alerts without action"; in reality, IPS can detect suspicious activity and actively block or prevent it according to policy.
Choose an option to check your answer.
A.
detects and blocks malicious files or patterns in traffic or endpoints
B.
creates DNSSEC keys automatically
C.
turns UDP into TCP
D.
guarantees no user mistakes occur
Show Answer
Correct Answer: A. detects and blocks malicious files or patterns in traffic or endpoints
Explanation:
The correct answer is that Antivirus filtering detects and blocks malicious files or patterns in traffic or endpoints.
Choose an option to check your answer.
A.
cannot distinguish inbound and outbound flows
B.
tracks connection state to make more informed traffic decisions
C.
stores only file names
D.
checks only keyboard input
Show Answer
Correct Answer: D. checks only keyboard input
Explanation:
The misconception is "checks only keyboard input"; in reality, Stateful firewall tracks connection state to make more informed traffic decisions.
