Computer Networking
The cheapest modems can transmit

2,400 bits per second
300 bits per second
4,800 bits per second
None of these
1,200 bits per second

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

All of these
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
by employing wide bandwidth circuits for the trunk networks substantial economies through extensive sharing of capacity could be achieved.
the employment of additional intelligence within the network enabled more sophisticated error control and link control procedures to be applied
None of these

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Computer Networking
The physical layer, in reference to the OSI model, defines

the virtual circuit interface to packet-switched service
All of these
the interface between the X.25 network and packet mode device
None of these
data link procedures that provide for the exchange of data via frames that can be sent and received

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