题目内容
OSI reference model have ____ layers.
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Suppose users share a 2 Mbps link. Also suppose each user transmits continuously at 1 Mbps when transmitting, but each user transmits only 20 percent of the time. a. When circuit switching is used, how many users can be supported? ____ users.
Packet switching allows more users to use network than circuit switching.
There is no difference between a host and an end system.
A host doesn't process network-layer in the Internet protocol stack.
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