What is the purpose of a firewall's ACL (Access Control List)? MCQ with Answer and Explanation

What is the purpose of a firewall's ACL (Access Control List)?
A. To define rules for permitting or denying traffic
B. To resolve domain names
C. To forward packets
D. To assign IP addresses
Answer: Option A
Solution (By JKExamLibrary)
ACLs are used to filter network traffic based on IP, port, or other criteria.

This question belongs to: Computer Computer Networking

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Practice More Computer Networking Questions

Question #1 Report Error
What type of device can look across diverse network layers to translate completely different protocol stacks, such as connecting a corporate LAN to a proprietary mainframe network?
A. Passive Switch
B. BNC Terminator
C. Repeater
D. Gateway

Correct Answer: Option D


Explanation:
Gateways operate across multiple protocol layers to translate formatting and communication rules between completely different network architectures.

This question belongs to: Computer Computer Networking
Question #2 Report Error
What is the purpose of a VLAN trunk?
A. To connect to the Internet
B. To assign IP addresses
C. To filter traffic
D. To carry traffic for multiple VLANs over a single link

Correct Answer: Option D


Explanation:
Trunk links carry tagged frames for multiple VLANs between switches.

This question belongs to: Computer Computer Networking
Question #3 Report Error
What is the maximum transmission unit (MTU) for Ethernet?
A. 1460 bytes
B. 1500 bytes
C. 1518 bytes
D. 64 bytes

Correct Answer: Option B


Explanation:
The Ethernet MTU is 1500 bytes for the payload, not including headers.

This question belongs to: Computer Computer Networking