Computer Networking
A distributed network configuration in which all data/information pass through a central computer is

star network
None of these
Point-to-point network
bus network
ring network

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Computer Networking
The packets switching concept was first proposed

All of these
None 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

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