Computer Networking
For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?

Full duplex and half duplex
WAN and LAN
Hardware and software
All of these

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Computer Networking
You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

The configuration register setting is incorrect.
The newly upgraded IOS is not compatible with the hardware of the router.
You didn
NVRAM is corrupted.

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

All of these
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
a technique used in best-effort delivery systems to avoid endlessly looping packets.
None 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.

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