Computer Networking
The most flexibility in how devices are wired together is provided by

star networks
bus networks
T-switched networks
None of these
ring networks

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Computer Networking
The packets switching concept was first proposed

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

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