Computer Networking
Which switch is a multistage switch with micro switches at each stage that route the packets based on the output port represented as a binary string?

Banyan switch
Packet switch
Multistage crossbar
Crossbar switch

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Computer Networking
The packets switching concept was first proposed

All of these
in the late 1980s for the Defense Ministry of US.
in the early 1960s for military communication systems, mainly to handle speech
in the late 1950s for Defense Ministry of US
None of these

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