JAN. 2016 M2-R4 solution

January 2016  INTERNET TECHNOLOGY AND WEB DESIGN

Answer Key

MCQ

1. A
2. C
3. D
4. B
5. D
6. D
7. C
8. A
9. C
10. A

True/False

1. True
2. False
3. True
4. True
5. True
6. False
7. True
   
   Explanation : In an IP network, every machine on the same physical network sees all the data packets sent out on the network. As the number of computers on a network grows, network traffic will grow many fold, bringing down performance drastically. In such a situation, you would divide your network into different subnetworks and minimize the traffic across the different subnetworks. Interconnectivity between the different subnets would be provided by routers, which will only transmit data meant for another subnet across itself. To divide a given network address into two or more subnets, you use subnet masks. The default subnet masks for class A networks is 255.0.0.0, for class B is 255.255.0.0, and for class C is 255.255.255.0, which signify a network without subnets.
8. True
   Explanation :  A condition that arises when two or more data stations attempt to transmit at the same time over a shared channel, or when two data stations attempt to transmit at the same time in two-way alternate communication. Note: A contention can occur in data communications when no station is designated a master station. In contention, each station must monitor the signals and wait for a quiescent condition before initiating a bid for master status. Competition by users of a system for use of the same facility at the same time.
   
9. False
   Explanation :
   
   

   

   
   
10. True

3. Match the Column

1. G
2. M
3. L
4. I
5. K
6. B
7. J
8. E
9. C
10. A

4. Fill In the blanks

1. L
2. J
3. M
4. F
5. A
6. D
7. B
8. G
9. H
10. K

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