Which networking device operates at the Data Link Layer (Layer 2) and uses MAC addresses to filter and forward data packets only to the specific destination port? MCQ with Answer and Explanation
Which networking device operates at the Data Link Layer (Layer 2) and uses MAC addresses to filter and forward data packets only to the specific destination port?
A. Repeater
B. Hub
C. Switch
D. Router
Answer: Option C
Solution (By JKSSB Mock Tests)
A network switch is an intelligent Layer 2 device that learns MAC addresses and routes traffic exclusively to the intended device, unlike a hub which broadcasts to all ports.
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Which of the following IPv4 address blocks is strictly reserved by the IETF for private local area networks and is non-routable over the public internet?
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