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

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Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

can send or receive data one at a time
can do one way data transmission only
cannot talk at once
can receive and send data simultaneously
None of these

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