Computer Networking
What does a VLAN do?

Acts as the fastest port to all servers.
Breaks up broadcast domains in a layer 2 switch internetwork.
Provides multiple broadcast domains within a single collision domain.
Provides multiple collision domains on one switch port.

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Computer Networking
Synchronous protocols

None of these
allow faster transmission than asynchronous protocols do
are generally used by personal computers
are more reliable
transmit characters one at a time

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