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Computer Networking

Computer Networking
Data are sent over pin _____ of the EIA-232 interface.

3
All of these
4
2

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Computer Networking
Which of the following commands connect access list 110 inbound to interface ethernet0?

Router(config)# ip access-list 110 in
Router(config-if)# ip access-group 110 in
Router(config)# ip access-group 110 in
Router(config-if)# ip access-list 110 in

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Computer Networking
A modem is connected in between a telephone line and a

None of these
communication adapter
computer
network
serial port

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Computer Networking
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?

Attenuation
Modem
None of these
Teleprocessor
Interface

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Computer Networking
A devices that links two homogeneous packet-broadcast local networks, is

gateway
hub
bridge
None of these
repeater

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Computer Networking
Which of the following best illustrates the default subnet mask for a class A,B, and C Network?

255.255.255.0, 255.255.0.0, 255.0.0.0
255.255.0.0, 255.255.255.0, 255.255.255.255
255.0.0.0, 255.255.0.0, 255.255.255.0
0.0.0.0, 0.0.0.1, 0.0.1.1
None of these

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