Computer Networking
In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and

None of these
PC
asynchronous port
synchronous port
crossover cable

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

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

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