MCQ Collection
Network Security MCQs
Network Security MCQs covering firewalls, attacks, protocols, and secure communication.
Choose an option to check your answer.
A.
requires a three-way handshake for every packet
B.
provides connectionless transport with low overhead and no built-in delivery guarantee
C.
is always encrypted by default
D.
is used only for MAC addressing
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Correct Answer: A. requires a three-way handshake for every packet
Explanation:
The misconception is "requires a three-way handshake for every packet"; in reality, UDP provides connectionless transport with low overhead and no built-in delivery guarantee.
Choose an option to check your answer.
A.
is a potential cause of unwanted security harm to a network or asset
B.
is always a software patch
C.
is the same as a backup copy
D.
is a type of subnet mask
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Correct Answer: A. is a potential cause of unwanted security harm to a network or asset
Explanation:
The correct answer is that Threat is a potential cause of unwanted security harm to a network or asset.
Choose an option to check your answer.
A.
states how users may properly use organizational network resources
B.
sets CPU clock speed
C.
stores asymmetric private keys in DNS
D.
replaces access control lists
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Correct Answer: A. states how users may properly use organizational network resources
Explanation:
The correct answer is that Acceptable use policy states how users may properly use organizational network resources.
Choose an option to check your answer.
A.
is a wireless encryption protocol only
B.
is a password hashing algorithm
C.
organizes network communication into layers such as application, transport, internet, and network access
D.
is a malware classification system
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Correct Answer: B. is a password hashing algorithm
Explanation:
The misconception is "is a password hashing algorithm"; in reality, TCP/IP model organizes network communication into layers such as application, transport, internet, and network access.
Choose an option to check your answer.
A.
provides connectionless transport with low overhead and no built-in delivery guarantee
B.
requires a three-way handshake for every packet
C.
is used only for MAC addressing
D.
prevents spoofing automatically
Show Answer
Correct Answer: A. provides connectionless transport with low overhead and no built-in delivery guarantee
Explanation:
The correct answer is that UDP provides connectionless transport with low overhead and no built-in delivery guarantee.
Choose an option to check your answer.
A.
is a completed security audit only
B.
is a weakness that may be exploited by a threat actor or event
C.
is a trusted certificate authority
D.
is a cryptographic hash value
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Correct Answer: B. 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.
stores asymmetric private keys in DNS
B.
states how users may properly use organizational network resources
C.
replaces access control lists
D.
detects wireless channels automatically
Show Answer
Correct Answer: B. states how users may properly use organizational network resources
Explanation:
Acceptable use policy is best described as something that states how users may properly use organizational network resources.
Choose an option to check your answer.
A.
is a password hashing algorithm
B.
organizes network communication into layers such as application, transport, internet, and network access
C.
is a backup policy format
D.
is a malware classification system
Show Answer
Correct Answer: B. organizes network communication into layers such as application, transport, internet, and network access
Explanation:
The correct answer is that TCP/IP model organizes network communication into layers such as application, transport, internet, and network access.
Choose an option to check your answer.
A.
terminates a TLS session
B.
establishes a TCP connection using SYN, SYN-ACK, and ACK
C.
creates a WPA2 key
D.
updates DNSSEC records
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Correct Answer: B. 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.
is the same as business profit
B.
is a cryptographic hash value
C.
is a trusted certificate authority
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:
Vulnerability is best described as something that is a weakness that may be exploited by a threat actor or event.
Choose an option to check your answer.
A.
states how users may properly use organizational network resources
B.
replaces access control lists
C.
detects wireless channels automatically
D.
stores asymmetric private keys in DNS
Show Answer
Correct Answer: A. states how users may properly use organizational network resources
Explanation:
This is correct because Acceptable use policy states how users may properly use organizational network resources.
Choose an option to check your answer.
A.
is a database schema model
B.
provides a seven-layer reference model for understanding network communication
C.
is an antivirus signature format
D.
is a firewall rule syntax
Show Answer
Correct Answer: B. 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.
