Computer Networking
Packet Switch Stream (PSS) was introduced in

None of these
the US in 1961
None of these
the UK in 1980
the US in 1961 (&) the UK in 1981

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Computer Networking
What is a stub network?

A network that has only one entry and exit point.
A network with more than one exit and entry point.
A network with only one entry and no exit point.
A network with more than one exit point.

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