Computer Networking
A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?

Decrease the window size.
Restart the virtual circuit.
Decrease the sequence number.
Send a different source port number.

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Computer Networking
Communication network is

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

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Computer Networking
Demodulation is a process of

converting digital to analog signals
converting analog to digital signals
performing data description.
multiplexing various signals into one high speed line signals

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Computer Networking
You have created a named access list called Blocksales. Which of the following is a valid command for applying this to packets trying to enter interface s0 of your router?

(config-if)# blocksales ip access-list in
(config-if)# ip access-group Blocksales in
(config-if)# ip access-group 110 in
(config)# ip access-group 110 in

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