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Computer Networking

Computer Networking
Which IP address class has few hosts per network?

B
C
A
D
None of these

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Computer Networking
A communications device that combines transmissions from several I/O devices into one line is a:

concentrator
modifier
multiplexer
None of these
full-duplex line

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Computer Networking
Establishing a virtual connection is functionally equivalent to

None of these
Placing a telephone call prior to a conversation
Connecting as virtual memory
Placing a modem prior to a conversation
Physically connecting a DTE and DCE

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Computer Networking
You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?

255.255.255.224
255.255.255.192
255.255.255.248
255.255.255.240

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Computer Networking
What type of RJ45 UTP cable do you use to connect a PC's COM port to a router or switch console port?

Crossover cable
Straight-through
Crossover with a CSU/DSU
Rolled

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Computer Networking
Computers in a LAN can be interconnected by radio and infrared technologies.

255.255.255.255
Network Topologies
Modem
Wireless LANs
Multiplexer

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