Computer Networking
Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called

None of these
ECONET
LAN
EITHERNET
WAN

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

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