MCQ Collection
Semester Exam MCQs
Semester Exam preparation MCQs for university and college students. This section includes subject-wise practice questions, answers, and explanations to help learners prepare for midterm exams, final exams, quizzes, and academic tests.
Choose an option to check your answer.
A.
inserts false DNS data into a resolver cache to redirect users
B.
is required by DNSSEC
C.
strengthens DNS integrity
D.
only improves lookup speed safely
Show Answer
Correct Answer: A. inserts false DNS data into a resolver cache to redirect users
Explanation:
The correct answer is that DNS cache poisoning inserts false DNS data into a resolver cache to redirect users.
Choose an option to check your answer.
A.
acts as an intermediary and can inspect application-layer communication
B.
works only at the physical layer
C.
cannot apply protocol-specific policy
D.
is used to power wireless antennas
Show Answer
Correct Answer: A. acts as an intermediary and can inspect application-layer communication
Explanation:
The correct answer is that Application proxy firewall acts as an intermediary and can inspect application-layer communication.
Choose an option to check your answer.
A.
cannot learn baselines
B.
matches only exact known signatures
C.
looks for deviations from normal behavior that may indicate attacks
D.
is used only for cable testing
Show Answer
Correct Answer: C. looks for deviations from normal behavior that may indicate attacks
Explanation:
The correct answer is that Anomaly-based detection looks for deviations from normal behavior that may indicate attacks.
Choose an option to check your answer.
A.
inserts false DNS data into a resolver cache to redirect users
B.
is required by DNSSEC
C.
is an antivirus update
D.
only improves lookup speed safely
Show Answer
Correct Answer: A. inserts false DNS data into a resolver cache to redirect users
Explanation:
DNS cache poisoning is best described as something that inserts false DNS data into a resolver cache to redirect users.
Choose an option to check your answer.
A.
assigns IP addresses
B.
monitors network or host activity and generates alerts for suspicious behavior
C.
always blocks traffic automatically
D.
is only a backup storage device
Show Answer
Correct Answer: B. monitors network or host activity and generates alerts for suspicious behavior
Explanation:
The correct answer is that IDS monitors network or host activity and generates alerts for suspicious behavior.
Choose an option to check your answer.
A.
looks for deviations from normal behavior that may indicate attacks
B.
is used only for cable testing
C.
cannot learn baselines
D.
means deleting all logs
Show Answer
Correct Answer: A. looks for deviations from normal behavior that may indicate attacks
Explanation:
Anomaly-based detection is best described as something that looks for deviations from normal behavior that may indicate attacks.
Choose an option to check your answer.
A.
is an antivirus update
B.
only improves lookup speed safely
C.
is required by DNSSEC
D.
inserts false DNS data into a resolver cache to redirect users
Show Answer
Correct Answer: D. inserts false DNS data into a resolver cache to redirect users
Explanation:
This is correct because DNS cache poisoning inserts false DNS data into a resolver cache to redirect users.
Choose an option to check your answer.
A.
monitors network or host activity and generates alerts for suspicious behavior
B.
is only a backup storage device
C.
replaces user training
D.
assigns IP addresses
Show Answer
Correct Answer: A. monitors network or host activity and generates alerts for suspicious behavior
Explanation:
IDS is best described as something that monitors network or host activity and generates alerts for suspicious behavior.
Choose an option to check your answer.
A.
cannot learn baselines
B.
looks for deviations from normal behavior that may indicate attacks
C.
is used only for cable testing
D.
means deleting all logs
Show Answer
Correct Answer: B. looks for deviations from normal behavior that may indicate attacks
Explanation:
This is correct because Anomaly-based detection looks for deviations from normal behavior that may indicate attacks.
Choose an option to check your answer.
A.
strengthens DNS integrity
B.
only improves lookup speed safely
C.
inserts false DNS data into a resolver cache to redirect users
D.
is required by DNSSEC
Show Answer
Correct Answer: A. strengthens DNS integrity
Explanation:
The misconception is "strengthens DNS integrity"; in reality, DNS cache poisoning inserts false DNS data into a resolver cache to redirect users.
Choose an option to check your answer.
A.
removes all need for routing
B.
makes decisions using packet header fields such as IP address, port, and protocol
C.
decrypts all traffic by default
D.
stores biometric logs only
Show Answer
Correct Answer: B. makes decisions using packet header fields such as IP address, port, and protocol
Explanation:
Packet-filtering firewall is best described as something that makes decisions using packet header fields such as IP address, port, and protocol.
Choose an option to check your answer.
A.
assigns IP addresses
B.
is only a backup storage device
C.
monitors network or host activity and generates alerts for suspicious behavior
D.
replaces user training
Show Answer
Correct Answer: C. monitors network or host activity and generates alerts for suspicious behavior
Explanation:
This is correct because IDS monitors network or host activity and generates alerts for suspicious behavior.
