Computer Networking
If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is

3200 bands
1200 bands
4800 bands
None of these
9600 bands

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Computer Networking
Terminals are used to

collect data from the physical system
communicate management decisions to the physical system
All of these
provide information for the manager
None 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 source address and port to the MAC address table and forward the frame out the destination port
Add the destination to the MAC address table and then forward the frame
Flood the network with the frame
Discard it and send an error message back to the originating host

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Computer Networking
An encyclopedic database

is easy for beginners to use
is an information utility that specializes in storing and searching information
is generally free
All of these
None of these

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