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

Multiplexers often waste the output link capacity while statistical multiplexers optimize its use
Statistical multiplexers need buffers while multiplexers do not need buffers
None of these
Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM)
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?

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

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Computer Networking
Which of the following characteristic(s) is/are suited to the PSS applications?

All of these
bursty traffic and low communications intensity
Multiple remote host or applications accessed by a single local access circuit terminal and circuit
widely dispersed terminals and access to international packets switched services
None of these

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