What is the primary function of a Router in a computer network ecosystem? MCQ with Answer and Explanation

What is the primary function of a Router in a computer network ecosystem?
A. To act as a physical patch panel for structural wiring.
B. To regenerate weak signals across long cable lengths.
C. To convert analog signals directly into serial bitstreams.
D. To connect distinct networks and route data packets based on logical IP addresses.
Answer: Option D
Solution (By JKSSB Mock Tests)
Routers operate at the Network Layer (Layer 3) and use IP addresses to determine the optimal path for forwarding data packets across different networks.

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Practice More Computer Networking Questions

Question #1
What structural feature characterizes a Tree Topology layout?
A. A closed loop where every machine acts as a repeater.
B. A line of nodes with no central coordination nodes.
C. A hierarchical combination of multiple star networks connected back to a central bus backbone line.
D. A dense layout where every node features wireless transceivers.

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 command is used to test network connectivity between two hosts?
A. nslookup
B. tracert
C. ipconfig
D. ping

Correct Answer: Option D


Explanation:
ping sends ICMP echo requests to test connectivity.

This question belongs to: Computer Computer Networking
Question #3
Which device is used to connect multiple computers in a LAN using twisted-pair cables?
A. Modem
B. Firewall
C. Hub or switch
D. Router

Correct Answer: Option C


Explanation:
Hubs and switches are used to interconnect devices within a LAN.

This question belongs to: Computer Computer Networking