What is a characteristic of a Layer 2 switch?

The correct answer is A. transfers all frames received to every connected device. A Layer 2 switch initially floods unknown unicast frames to all ports except the one it was received on, transferring the frames to every connected device when the destination MAC is not

Submitted by certguy· Mar 5, 2026Network Fundamentals

Question

Options

Atransfers all frames received to every connected device
Boffers one collision domain for all connected devices
Ctransmits exclusively at half duplex
Dsupports segmentation using tagging protocols

How the community answered

(53 responses)

A
91% (48)
B
6% (3)
C
2% (1)
D
2% (1)

Explanation

A Layer 2 switch initially floods unknown unicast frames to all ports except the one it was received on, transferring the frames to every connected device when the destination MAC is not

Topics

#Layer 2 switching#Switch operation#Ethernet frame forwarding

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