Computer Networking
UDP is:

Connection oriented and unreliable
None of these
Connectionless and unreliable
Not a part of the TCP/IP suite
Connection orientated and reliable

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

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

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