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Computer Networking

Computer Networking
What is the minimum number of wires required for sending data over a serial communications links?

3
2
4
1
None of these

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Computer Networking
Which are considered the methods of NAT?1. Static2. IP NAT pool3. Dynamic4. NAT double-translation5. Overload

All of these
1 and 6
1, 3 and 5
3 only

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Computer Networking
Which of the following network types have a designated router and a backup designated router assigned?1. Broadcast2. Point-to-point3. NBMA4. NBMA point-to-point

All of these
1, 2 and 3
3 and 4
1 and 3

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

modifier
multiplexer
concentrator
None of these
full-duplex line

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Computer Networking
What is the port number for POP3?

80
110
49
90

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Computer Networking
With an IP address of 100, you currently have 80 subnets. What subnet mask should you use to maximize the number of available hosts?

224
248
240
192
252

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