CBSE Computer Science - Revision Tour(Solved)

CBSE Guess > eBooks > Class XII > CBSE Computer Science Communication And Network Concepts Solved Revision Tour By Mr. Ravi Kiran

COMPUTER SCIENCE COMMUNICATION AND NETWORK CONCEPTS

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DELHI: 2005

  1. What is the difference between Message Switching technique and Packet Switching technique?

1m

  1. Expand the following terminologies:
    1. TCP/IP
    2. XML
    3. CDMA
    4. WLL

    2m

  2. Write two application of Cyber Law.

1m

  1. The Great Brain Organization has set up its new Branch at Srinagar for its office and web based activities .It has 4 Wings of buildings as shown in the diagram

Center to center distances between various blocks:

Wing X to Wing Z 50 m
Wing Z to Wing Y
 70 m
Wing Y to Wing X 125 m
Wing Y to Wing U
80 m
Wing X to Wing U 175 m
Wing Z to Wing U 90 m

Number of computers

Wing X 50 m
Wing Z
 30 m
Wing Y 150m
Wing U
15 m
  1. Suggest a most suitable cable layout of connections between the Wings, and topology.

1m

  1. Suggest the most suitable place (i.e., Wing)to house the server of this organization with a suitable reason, with justification.

1m

  1. Suggest the placement of the following devices with justification: 1m (i) Repeater (ii) Hub/Switch
  2. The organization is planning to link its head office situated in Delhi with the offices at Srinagar.1m Suggest an economic way to connect it; the company is ready to compromise on the speed of connectivity. Justify your answer.

 

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CBSE Computer Science Solved Revision Tour By Mr. Ravi Kiran ( [email protected] )