Computer Networking
ICMP (Internet Control Message Protocol) is

a TCP/IP high level protocol for transferring files from one machine to another
a protocol used to monitor computers
a protocol that handles error and control messages
a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
None of these

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

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Computer Networking
What is a stub network?

A network that has only one entry and exit point.
A network with only one entry and no exit point.
A network with more than one exit point.
A network with more than one exit and entry point.

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