[多选题]What are two characteristics of "store and forward" switching? (Select two answer choices)

正确答案 ：BC

The switch receives the complete frame. before beginning to forward it.

Latency through the switch varies with frame. length.

解析：解析：Explanation:

[多选题]Why is full-duplex Ethernet superior to its single-duplex counterpart? (Select two answer choices.)

正确答案 ：BD

It operates without collisions

It provides faster data transfer

解析：解析：Explanation:

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