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
DELHI 2008:
What is a Hub?
1m
Expand the following terms with respect to Networking:
MODEM
WLL
FTP
TCP/IP
2m
How is Coaxial cable different from Optical Fibre?
1m
“Bias methodologies” is planning to expand their network in India, starting with three cities in India to build infrastructure for research and development of their chemical products. The company has planned to setup their main office in Pondicherry – at three different locations and have named their offices as “Back Office”, “Research Lab” and “Development Unit”. The company has one more Research office namely “Corporate Office” in “Mumbai”. A rough layout of the same is as follows:
Approximate distance between these offices is as follows:
From
To
Distance
Research Lab
Back Office
111 Mtr
Research Lab
Development Unit
16 KM
Research Lab
Corporate Unit
1800 KM
Back Office
Development Uni
13 KM
In continuation of the above , the company experts have planned to install the following number of computers in each of their offices:
Research Lab
158
Back Office
79
Development Unit
90
Corporate Unit
51
Suggest the kind of network required (out of LAN, MAN, WAN) for connecting each of the following office units:
Research Lab and Back Office
Research Lab and Development Unit
Which one of the following devices will you suggest for connecting all the computers with in each of their office units?
Switch/Hub
Modem
Telephone
Which of the following communication media, you will suggest to be procured by the company for connecting their local office units in Pondicherry for very effective (High Speed) communication?
Telephone cable
Optical Fibre
Ethernet Cable
Suggest a cable/wiring layout for connecting the company’s local office units located in Pondicherry. Also, suggest an effective method/technology for connecting the company’s office unit located in Mumbai.
CBSE Computer Science Solved Revision Tour By Mr. Ravi Kiran ( [email protected] )