Computer Networking
What is the main reason the OSI model was created?

So Cisco could use the model.
So different networks could communicate.
So application developers can change only one layer's protocols at a time.
To create a layered model larger than the DoD model.

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

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Computer Networking
Which of the following technique is used for encapsulation?

None of these
All of these
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame.
a technique used in best-effort delivery systems to avoid endlessly looping packets.
One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size

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