Computer Networking
Which of the following digits are known as the sub-address digits (for use by the user) of the Network User Address (NUA)?

None of these
08-Dec
01-Apr
05-Jul
13-14

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

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

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Computer Networking
The application layer of a network

consists of software being run on the computer connected to the network
All of these
defines the user's port into the network
establishes, maintains, and terminates virtual circuits
None of these

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