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

Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol
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)
Multiplexers often waste the output link capacity while statistical multiplexers optimize its use

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Computer Networking
Which command will create a dynamic pool named Todd that will provide you with 30 global addresses?

ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.240
ip nat pool todd 171.16.10.65 171.16.10.94 net 255.255.255.224
ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.224
ip nat pool Todd 171.16.10.1 171.16.10.254 net 255.255.255.0

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Computer Networking
Carrier is

None of these
One or more conductors that serve as a common connection for a related group of devices
the condition when two or more sections attempt to use the same channel at the same time
a continuous frequency capable of being modulated or impressed with a second signal
a collection of interconnected functional units that provides a data communications service among stations attached to the network

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