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प्रश्न
Explain the following device:
Repeater
Explain Repeater.
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उत्तर
- A repeater is a hardware device mainly used in Ethernet networks to increase the distance of transmission.
- It regenerates and boosts the signal so that it can travel from one Ethernet segment to another. The figure shows a network setup using repeaters.
- In a building, a vertical backbone cable is used, and repeaters connect Ethernet segments on each floor to this backbone.
- For reliable communication, there should not be more than two repeaters between any two Ethernet workstations.
- The major drawback of a repeater is that it amplifies noise along with the signal.
- Repeaters require a separate power supply to operate.
APPEARS IN
संबंधित प्रश्न
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.
3) Suggest a device/software and its placement that would provide data security for the entire network of the CHENNAI office.
4) Suggest a device and the protocol that shall be needed to provide wireless Internet access to all smartphone/laptop users in the CHENNAI office
Hub is a :
Which of the following is not a network device?
______ is also known as NIC card.
Any organization that provides services for accessing internet are called ______.
______ network device connect different devices through wires.
A switch drops noisy signals and asks sender to resend.
What is true for Modems?
A device that is used to connect a number of Lans is ______.
Explain the following device:
NIC
