MCQ Collection
Network Security MCQs
Network Security MCQs covering firewalls, attacks, protocols, and secure communication.
Choose an option to check your answer.
A.
changes the wireless channel
B.
proves the user typed a username
C.
calculates DNS TTL
D.
determines what an authenticated identity is allowed to do
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Correct Answer: D. determines what an authenticated identity is allowed to do
Explanation:
The correct answer is that Authorization determines what an authenticated identity is allowed to do.
Choose an option to check your answer.
A.
encrypts backups for privacy
B.
updates antivirus signatures
C.
validates input fields
D.
attempts to make a service unavailable by overwhelming or disrupting it
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Correct Answer: D. attempts to make a service unavailable by overwhelming or disrupting it
Explanation:
DoS attack is best described as something that attempts to make a service unavailable by overwhelming or disrupting it.
Choose an option to check your answer.
A.
allows or blocks packets based on defined conditions such as address, port, or protocol
B.
prevents users from using keyboards
C.
formats packet captures into PDF
D.
replaces intrusion detection entirely
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Correct Answer: A. allows or blocks packets based on defined conditions such as address, port, or protocol
Explanation:
This is correct because Traffic filtering allows or blocks packets based on defined conditions such as address, port, or protocol.
Choose an option to check your answer.
A.
calculates DNS TTL
B.
removes need for passwords
C.
changes the wireless channel
D.
determines what an authenticated identity is allowed to do
Show Answer
Correct Answer: D. determines what an authenticated identity is allowed to do
Explanation:
Authorization is best described as something that determines what an authenticated identity is allowed to do.
Choose an option to check your answer.
A.
updates antivirus signatures
B.
attempts to make a service unavailable by overwhelming or disrupting it
C.
encrypts backups for privacy
D.
validates input fields
Show Answer
Correct Answer: B. attempts to make a service unavailable by overwhelming or disrupting it
Explanation:
This is correct because DoS attack attempts to make a service unavailable by overwhelming or disrupting it.
Choose an option to check your answer.
A.
creates malware signatures from files only
B.
allows or blocks packets based on defined conditions such as address, port, or protocol
C.
prevents users from using keyboards
D.
formats packet captures into PDF
Show Answer
Correct Answer: A. creates malware signatures from files only
Explanation:
The misconception is "creates malware signatures from files only"; in reality, Traffic filtering allows or blocks packets based on defined conditions such as address, port, or protocol.
Choose an option to check your answer.
A.
changes the wireless channel
B.
calculates DNS TTL
C.
removes need for passwords
D.
determines what an authenticated identity is allowed to do
Show Answer
Correct Answer: D. determines what an authenticated identity is allowed to do
Explanation:
This is correct because Authorization determines what an authenticated identity is allowed to do.
Choose an option to check your answer.
A.
improves server redundancy
B.
attempts to make a service unavailable by overwhelming or disrupting it
C.
validates input fields
D.
encrypts backups for privacy
Show Answer
Correct Answer: A. improves server redundancy
Explanation:
The misconception is "improves server redundancy"; in reality, DoS attack attempts to make a service unavailable by overwhelming or disrupting it.
Choose an option to check your answer.
A.
replaces intrusion detection entirely
B.
allows or blocks packets based on defined conditions such as address, port, or protocol
C.
prevents users from using keyboards
D.
creates malware signatures from files only
Show Answer
Correct Answer: B. allows or blocks packets based on defined conditions such as address, port, or protocol
Explanation:
The correct answer is that Traffic filtering allows or blocks packets based on defined conditions such as address, port, or protocol.
Choose an option to check your answer.
A.
proves the user typed a username
B.
changes the wireless channel
C.
calculates DNS TTL
D.
determines what an authenticated identity is allowed to do
Show Answer
Correct Answer: A. proves the user typed a username
Explanation:
The misconception is "proves the user typed a username"; in reality, Authorization determines what an authenticated identity is allowed to do.
Choose an option to check your answer.
A.
improves server redundancy
B.
updates antivirus signatures
C.
validates input fields
D.
attempts to make a service unavailable by overwhelming or disrupting it
Show Answer
Correct Answer: D. attempts to make a service unavailable by overwhelming or disrupting it
Explanation:
The correct answer is that DoS attack attempts to make a service unavailable by overwhelming or disrupting it.
Choose an option to check your answer.
A.
is a database normalization rule
B.
is a public search engine
C.
is only a monitor cable
D.
enforces network access rules by permitting or denying traffic
Show Answer
Correct Answer: D. enforces network access rules by permitting or denying traffic
Explanation:
The correct answer is that Firewall enforces network access rules by permitting or denying traffic.