Computer Networking
RS-232-G

is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment
requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
None of these
specifies only the mechanical characteristics of an interface by providing a 25-pin connector
is an interface between two data circuit terminating equipment as examplified by a local and remote modem

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Computer Networking
The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router?

Flash should be erased and the router restarted.
The new configuration should be entered and saved.
NVRAM should be erased and the router restarted.
RAM should be erased and the router restarted.

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Computer Networking
The packets switching concept was first proposed

in the late 1980s for the Defense Ministry of US.
None of these
All of these
in the early 1960s for military communication systems, mainly to handle speech
in the late 1950s for Defense Ministry of US

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