MCQ Collection
Network Security MCQs
Network Security MCQs covering firewalls, attacks, protocols, and secure communication.
Choose an option to check your answer.
A.
establishes a TCP connection using SYN, SYN-ACK, and ACK
B.
updates DNSSEC records
C.
creates a WPA2 key
D.
runs a full malware sandbox
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Correct Answer: A. establishes a TCP connection using SYN, SYN-ACK, and ACK
Explanation:
Three-way handshake is best described as something that establishes a TCP connection using SYN, SYN-ACK, and ACK.
Choose an option to check your answer.
A.
is a trusted certificate authority
B.
is the same as business profit
C.
is a cryptographic hash value
D.
is a weakness that may be exploited by a threat actor or event
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Correct Answer: D. is a weakness that may be exploited by a threat actor or event
Explanation:
This is correct because Vulnerability is a weakness that may be exploited by a threat actor or event.
Choose an option to check your answer.
A.
is a database schema model
B.
is an antivirus signature format
C.
is a physical cable type only
D.
provides a seven-layer reference model for understanding network communication
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Correct Answer: D. provides a seven-layer reference model for understanding network communication
Explanation:
OSI model is best described as something that provides a seven-layer reference model for understanding network communication.
Choose an option to check your answer.
A.
creates a WPA2 key
B.
runs a full malware sandbox
C.
establishes a TCP connection using SYN, SYN-ACK, and ACK
D.
updates DNSSEC records
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Correct Answer: C. establishes a TCP connection using SYN, SYN-ACK, and ACK
Explanation:
This is correct because Three-way handshake establishes a TCP connection using SYN, SYN-ACK, and ACK.
Choose an option to check your answer.
A.
is a cryptographic hash value
B.
is a completed security audit only
C.
is a weakness that may be exploited by a threat actor or event
D.
is a trusted certificate authority
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Correct Answer: B. is a completed security audit only
Explanation:
The misconception is "is a completed security audit only"; in reality, Vulnerability is a weakness that may be exploited by a threat actor or event.
Choose an option to check your answer.
A.
is a physical cable type only
B.
is a database schema model
C.
is an antivirus signature format
D.
provides a seven-layer reference model for understanding network communication
Show Answer
Correct Answer: D. provides a seven-layer reference model for understanding network communication
Explanation:
This is correct because OSI model provides a seven-layer reference model for understanding network communication.
Choose an option to check your answer.
A.
updates DNSSEC records
B.
terminates a TLS session
C.
establishes a TCP connection using SYN, SYN-ACK, and ACK
D.
creates a WPA2 key
Show Answer
Correct Answer: B. terminates a TLS session
Explanation:
The misconception is "terminates a TLS session"; in reality, Three-way handshake establishes a TCP connection using SYN, SYN-ACK, and ACK.
Choose an option to check your answer.
A.
is the same as business profit
B.
is a completed security audit only
C.
is a weakness that may be exploited by a threat actor or event
D.
is a cryptographic hash value
Show Answer
Correct Answer: C. is a weakness that may be exploited by a threat actor or event
Explanation:
The correct answer is that Vulnerability is a weakness that may be exploited by a threat actor or event.
Choose an option to check your answer.
A.
is a firewall rule syntax
B.
is an antivirus signature format
C.
is a database schema model
D.
provides a seven-layer reference model for understanding network communication
Show Answer
Correct Answer: A. is a firewall rule syntax
Explanation:
The misconception is "is a firewall rule syntax"; in reality, OSI model provides a seven-layer reference model for understanding network communication.
Choose an option to check your answer.
A.
establishes a TCP connection using SYN, SYN-ACK, and ACK
B.
terminates a TLS session
C.
creates a WPA2 key
D.
runs a full malware sandbox
Show Answer
Correct Answer: A. establishes a TCP connection using SYN, SYN-ACK, and ACK
Explanation:
The correct answer is that Three-way handshake establishes a TCP connection using SYN, SYN-ACK, and ACK.
Choose an option to check your answer.
A.
means traffic is always blocked
B.
combines the likelihood of a threat exploiting a vulnerability with the resulting impact
C.
is only the number of routers in a network
D.
is identical to bandwidth
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Correct Answer: B. combines the likelihood of a threat exploiting a vulnerability with the resulting impact
Explanation:
The correct answer is that Risk combines the likelihood of a threat exploiting a vulnerability with the resulting impact.
Choose an option to check your answer.
A.
is a physical cable type only
B.
is an antivirus signature format
C.
provides a seven-layer reference model for understanding network communication
D.
is a firewall rule syntax
Show Answer
Correct Answer: C. provides a seven-layer reference model for understanding network communication
Explanation:
The correct answer is that OSI model provides a seven-layer reference model for understanding network communication.
