Network Security MCQs

Access control is best described as something that limits resource use based on identity, permissions, and policy decisions.

This is correct because Accounting records user or system activities for auditing and accountability.

The misconception is "requires only one unplugged cable"; in reality, DDoS attack uses multiple distributed sources to overwhelm a target service or network.

The correct answer is that Firewall enforces network access rules by permitting or denying traffic.

This is correct because Access control limits resource use based on identity, permissions, and policy decisions.

The misconception is "blocks all DNS queries"; in reality, Accounting records user or system activities for auditing and accountability.

The correct answer is that DDoS attack uses multiple distributed sources to overwhelm a target service or network.

The correct answer is that Packet-filtering firewall makes decisions using packet header fields such as IP address, port, and protocol.

The misconception is "allows all traffic permanently"; in reality, Access control limits resource use based on identity, permissions, and policy decisions.

The correct answer is that Accounting records user or system activities for auditing and accountability.

The correct answer is that Rate limiting controls the number of requests or connections allowed in a given time period.

TCP is best described as something that provides reliable, connection-oriented transport using acknowledgments and sequencing.