Computer Networking
Select the cable that uses copper conductor, accept and transport signals in the form of electric current?

Metallic cable
Twisted pair cable
Fiber-optic cable
All of these

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Computer Networking
Which of the following statements is correct for the use of packet switching?

by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.
the subdivision of information into individually addressed packets in conjunction with alternative routing arrangement enabled the transmission path to be altered in the event of congestion or individ
the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied
All of these
None of these

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Computer Networking
MAC is

a method access control technique or multiple-access transmission media
a method of determining which device has access to the transmission medium at any time
a very common bit-oriented data link protocol issued to ISO.
None of these
network access standard for connecting stations to a circuit-switched network

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Computer Networking
A T-switch is used to

rearrange the connections between computing equipment
control how messages are passed between computers
transmit characters one at a time
echo every character that is received
None of these

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