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Question
What do you mean by a modem? Why is it used?
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Solution
Modem stands for ‘Modulator DeModulator’. It refers to a device used for conversion between analog signals and digital signals.
The modem converts digital signals to analog signal (audio frequency) tones which are in the frequency range that the telephone lines can transmit and also it can convert transmitted tones back to digital information.
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RELATED QUESTIONS
Hi-Standard Tech Traj.ning Ltd. is a Mumbai based organization which is expanding its office set-up to Chennai. At Chennai office compound, they are planning to have 3 different blocks for Admin, Training and Accounts related activities. Each block has a number of computers, which are required to be connected in a network for communication, data and resource sharing.
As a network consultant, you have to suggest the best network related solutions for them for issues/problems raised by them in (i) to (iv), as per the distances between various blocks/locations and other given parameters.
Shortest differences between various blocks/locations:
| Admin Block to Accounts Block | 300 Metres |
| Accounts Block to Training Block | 150 Metres |
| Admin Block to Training Block | 200 Metres |
| MUMBAI Head Office to CHENNAI Office | 1300 Km |
The number of computers installed at various blocks is as follows:
| Training Block | 150 |
| Accounts Block | 30 |
| Admin Block | 40 |
1) Suggest the most appropriate block/location to house the SERVER in the CHENNAI office (out of the 3 blocks) to get the best and effective connectivity. Justify your answer.
2) Suggest the best-wired medium and draw the cable layout (Block to Block) to efficiently connect various blocks within the CHENNAI office compound.
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| DELHI BRANCH | |
| BRANCH A | BRANCH B |
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| MARKETING DEPT. |
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