题目内容
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提问人：网友kgbyuki
发布时间：2022-01-07
[主观题]
Which of the following statements about WAN store and forward is TRUE？
A、A system that uses the store and forward paradigm can keep each data link busy, and thus, decrease overall performance.
B、The forward operation occurs when a packet arrives: I/O hardware inside the packet switch places a copy of the packet in memory.
C、The store operation occurs once a packet has arrived and is waiting in memory.
D、The processor examines the packet, determines its destination, and sends the packet over the I/O interface that leads to the destination.
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