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

Question
What is the purpose of a firewall's ACL (Access Control List)?
A. To assign IP addresses
B. To resolve domain names
C. To forward packets
D. To define rules for permitting or denying traffic
Answer: Option D
Solution (By JKSSB Mock Tests)
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
What structural feature characterizes a Tree Topology layout?
A. A dense layout where every node features wireless transceivers.
B. A closed loop where every machine acts as a repeater.
C. A hierarchical combination of multiple star networks connected back to a central bus backbone line.
D. A line of nodes with no central coordination nodes.
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Correct Answer: Option C

Explanation:
Tree topology integrates star networks into a hierarchical tree pattern, wired back to a primary root bus or centralized switch matrix.
This question belongs to: Computer Computer Networking
Question #2
Which protocol is used to prevent loops in a switched network?
A. OSPF
B. BGP
C. RIP
D. STP (Spanning Tree Protocol)
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Correct Answer: Option D

Explanation:
Spanning Tree Protocol (STP) prevents loops in networks with redundant links.
This question belongs to: Computer Computer Networking
Question #3
Which network topology provides the highest level of redundancy and fault tolerance by physically connecting every individual node directly to every other node?
A. Tree Topology
B. Bus Topology
C. Star Topology
D. Full Mesh Topology
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Correct Answer: Option D

Explanation:
In a full mesh topology, every node has a point-to-point connection to every other node, ensuring multiple alternative pathways if a link fails.
This question belongs to: Computer Computer Networking
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