Computer Networking
Demodulation is the process of

converting analog signals to digital signals
converting digital signals to analog signals
combining many low speed channels into one high speed channel
None of these
dividing the high-speed signals into frequency bands

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Computer Networking
The difference between a multiplexer and a statistical multiplexer is

Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM)
Multiplexers often waste the output link capacity while statistical multiplexers optimize its use
None of these
Statistical multiplexers need buffers while multiplexers do not need buffers
Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol

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Computer Networking
Which of the following is true regarding VTP?

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

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Computer Networking
What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

Router (config-if) # passive-interface
Router (config-router) # passive-interface s0
Router (config-if) # no routing
Router (config-router) # no routing updates

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