Computer Networking
Why does the data communication industry use the layered OSI reference model?1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.4. It encourages industry standardization by defining what functions occur at each layer of the model.

2 and 3
1 and 4
1 only
3 only

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Computer Networking
You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be?

You copied the wrong configuration into RAM.
The IOS became corrupted after the copy command was initiated.
The copy did not override the shutdown command in running-config.
You copied the configuration into flash memory instead.

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Computer Networking
Which of the following is true regarding VTP?

All switches are VTP servers by default.
VTP is on by default with a domain name of Cisco on all Cisco switches.
All switches are VTP clients by default.
All switches are VTP transparent by default.

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