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

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

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Computer Networking
Baseband is

transmission of signals without modulation
a signal all of whose energy is contained within a finite frequency range
None of these
the simultaneous transmission of data to a number of stations
All of these

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Computer Networking
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Add the destination to the MAC address table and then forward the frame
Discard it and send an error message back to the originating host
Add the source address and port to the MAC address table and forward the frame out the destination port
Flood the network with the frame

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