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Computer Networking

Computer Networking
How many non-overlapping channels are available with 802.11g?

12
23
40
3

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Computer Networking
If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

172.16.45.0
192.168.10.126
172.16.45.8
172.16.45.12
172.16.45.4

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Computer Networking
Start and stop bits are used in serial communication for

Slowing down the communication
Error detection
Error correction
Synchronization

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Computer Networking
You are working with a network that is 172.16.0.0 and would like to support 600 hosts per subnet. What subnet mask should you use?

255.255.252.0
255.255.240.0
255.255.248.0
255.255.192.0
255.255.224.0

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Computer Networking
Which statement is true regarding classless routing protocols?1. The use of discontiguous networks is not allowed.2. The use of variable length subnet masks is permitted.3. RIPv1 is a classless routing protocol.4. IGRP supports classless routing within the same autonomous system.5. RIPv2 supports classless routing.

3 and 4
1, 3 and 5
2 and 5
None of these

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Computer Networking
A characteristic of a multiprogramming system is:

concurrent processing of two or more programs
simultaneous execution of program instructions from two applications
None of these
multiple CPUs
All listed here

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