Computer Networking
The first step in troubleshooting many problems is to verify which of the following?

The BDC is operable
The subnet mask is valid
None of these
The WINS server is running
TCP/IP is installed correctly on the client

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

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
Multiplexers often waste the output link capacity while statistical multiplexers optimize its use
Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM)

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