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Computer Networking

Computer Networking
Which of the following is used for modulation and demodulation?

modem
multiplexer
gateway
None of these
protocols

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Computer Networking
What is the main reason the OSI model was created?

So different networks could communicate.
So application developers can change only one layer's protocols at a time.
To create a layered model larger than the DoD model.
So Cisco could use the model.

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Computer Networking
What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?

192
192.168.10
0.0.0.5
None of these
51

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Computer Networking
You need to configure a server that is on the subnet 192.168.19.24/29. The router has the first available host address. Which of the following should you assign to the server?

192.168.19.31 255.255.255.248
192.168.19.33 255.255.255.240
192.168.19.26 255.255.255.248
192.168.19.0 255.255.255.0

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Computer Networking
If the ASCII character H is sent and the character I is received, what type of error is this?

burst
multiple-bit
single-bit
recoverable

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

Network Topologies
Modem
Wireless LANs
255.255.255.255
Multiplexer

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