Computer Networking
Synchronous protocols

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

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Computer Networking
What is the purpose of Spanning Tree Protocol in a switched LAN?

To prevent routing loops in networks with redundant paths
To manage the VLAN database across multiple switches
To create collision domains
To provide a mechanism for network monitoring in switched environments
To prevent switching loops in networks with redundant switched paths

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