Computer Networking
To avoid transmission errors, a check figure is calculated by the

receiving computer
both A and B
Start and stop bit
transmitting computer
None of these

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

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

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Computer Networking
Which of the following are benefits of VLANs?1. They increase the size of collision domains.2. They allow logical grouping of users by function.3. They can enhance network security.4. They increase the size of broadcast domains while decreasing the number of collision domains.5. They simplify switch administration.6. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

1 and 5
1, 3 and 5
2, 3 and 6
2 and 4

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