Computer Networking
You need to gather the IP address of a remote switch that is located in Hawaii. What can you do to find the address?

Issue the show cdp neighbor command on the router connected to the switch.
Issue the show cdp neighbors detail command on the router connected to the switch.
Issue the show ip arp command on the router connected to the switch.
Issue the show ip route command on the router connected to the switch.

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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?

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

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Computer Networking
RS-449/442-A/423-A is

a set of physical layer standards developed by EIA and intended to replace RS-232-
a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression the resulting expression will not conform to the rules of construction and
a check bit appended to an array of binary digits to make the sum of the all the binary digits
None of these
the ratio of the number of data units in error to the total number of data units

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