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Computer Networking

Computer Networking
A modulator converts a _____ signal to a(n) _____ signal.

FSK; PSK
analog; digital
None of these
digital; analog
PSK; FSK

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Computer Networking
Different computers are connected to a LAN by a cable and a/an

special wires
None of these
telephone lines
modem
interface card

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Computer Networking
When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined?

By the Physical layer bit stream timing
By the far end router
By the clock rate command
Supplied by the CSU/DSU

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Computer Networking
To connect a computer with a device in the same room, you might be likely to use

a ground station
a dedicated line
All of these
a coaxial cable
None of these

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Computer Networking
How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)?

300
250
275
240

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Computer Networking
Which protocol does Ping use?

BootP
ICMP
TCP
ARP

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