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Computer Networking

Computer Networking
What is the default subnet mask for a class A network?

127.0.0.1
255.255.255.0.0
255.255.255.0
None of these
255.0.0.0

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Computer Networking
Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size?

8
4
None of these
16
15

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Computer Networking
What two multicast addresses does OSPFv3 use?1. FF02::A2. FF02::93. FF02::54. FF02::6

3 and 4
3 only
1 and 3
2 only

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Computer Networking
Communication between computers is almost always

parallel
serial
direct
None of these
series parallel

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Computer Networking
What are the distinct functions of layer 2 switching that increase available bandwidth on the network?1. Address learning2. Routing3. Forwarding and filtering4. Creating network loops5. Loop avoidance6. IP addressing

1, 3 and 5
3 and 5
2, 4 and 6
2 and 6

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Computer Networking
HOSTS file entries are limited to how many characters?

255
Unlimited
8
500
None of these

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