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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
State some Security Models The first and foremost thing one needs to do is to chalk out a security plan and policy based on any security model. The term security policy shall
An industry standard suite of protocols for the use of point-to-point links to transport multiprotocol datagrams.
What are the value added services Many organisations are demanding higher services (also called value added services) such as faxing, minimal cost call routing, connectivity to
How does dynamic host configuration protocol aid in network administration? Instead of having to visit every client computer to configure a static IP address, the network admin
Q. What is an Error? At any time bits flow from one point to another they are subject to unpredictable changes because of interference The interference is able to change the
What are the advantages and disadvantages of the three types of routing tables? The three types of routing tables are fixed, dynamic, and fixed central. The fixed table must be
Q. Explain about Traditional Modems? - Subsequent to modulation by the modem an analog signal reaches the telephone company switching station where it sampled and digitized to
Define Co-axial cable. A solid central conductor surrounded by insulating material and then by a cylindrical shield woven from fine wires is called as co-axial cable. The shie
Define the terms Unicasting, Multiccasting and Broadcasting? If the message is sent from a source to a one destination node, it is called Unicasting. If the message is sent
Define about the term - hackers Every time technology updates itself, new techniques evolve. At the same time thieves or intruders (in the information technology line, they are
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