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POWER SUPPLY SYSTEM IN SATELLITE SYSTEM
Satellite Earth Station relies on the public power supply system. Two generators (1+1) of 250 KVA each in parallel connection having facility of auto switch over, two UPS of 200 KVA (1+1) and battery bank of 3.5 hours battery backup which makes the system robust and gives good reliability. Due to the above arrangement of the power supply and back up, communication system failure due to power supply system failure is almost negligible
What is Medium Access Control of Ethernet? The set of rules which make sure that each node in an Ethernet gets a fair amount of frame transmission opportunity, are known as the
MULTICASTING : The answer to above problem is multicasting. It is the normal form of broadcasting. It acts like broadcasting however it does not broadcast frames automatically
The marketing term 'ISDN modem' was formed to help sell the ISDN idea to America. There is no such thing as an analog modulator demodulator for digital ISDN. The Terminal Adapter (
File servers are useful for sharing files through a network. With a file server, the client passes requests for file records over network to file server
What is the difference between CSMA/CD and CSMA/CA? CSMA/CD, or Collision Detect, retransmits data frames when a collision occurred. CSMA/CA, or Collision Avoidance, will first
Advanced Interface Module (AIM) socket This is an 100 pin internal socket. It is provide for plug in the Advance interface module card. Purpose of AIM card is concentrate in th
What is autonomous system? It is a collection of routers under the control of a one administrative authority and that uses a common Interior Gateway Protocol.
10Base5 Connectors Transceiver - intermediary device as well called a medium attachment unit (MAU) Performs CSMA/CD function may perhaps contain small buffer Atta
Enumerate about the Star networks Comments: 1 - If one connection/station fails the other devices aren't affected 2 - If central hub breaks down, the whole network fail
In point-to-point message passing, single process sends/receives message to/from another process. There are four communication modes for sending a message: i) Buffered mode
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