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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 about the Packet filter firewalls They remain the most common type of firewall in use as of today. They were the earliest firewalls developed and were capable of permitt
(a) Explain how a CDMA system works? (b) Explain howWelsh-Hadamard codes are generated. Explain why orthogonality between different spreading codes is important. (c) Consider
Explain about the Middleware support All the connectivity interface related tools come under the category of middleware. Middleware provides the link for data exchange between
There are basically two functions for creating routing tables, which are as given: Manual entry Software Further there are two types for computing routing table inf
What are firewalls? Firewalls serve to protect an internal network from external attacks. These external threats can be hackers who need to steal data or computer viruses that
Cut-Through is the best mode of switching. Store and Forward reads in the whole frame, confirms the frame is valid, and then forwards the frame onto the wire. Cut-Through only chec
Q. Straight through Lan Cable ? Straight through Cable - Maintain the pin connection each the way through the cable. - The wire connected to pin 1 is the similar on bo
UDP sends packets 'blind' down the network, and relies on upper-layer protocols to form connections and identify errors. TCP is a connection-oriented protocol that can give reliabl
Q. What is Bipolar Encoding? - Uses three voltage levels negative, positive and zero - Zero level represents binary 0; 1s are represented with alternating positive and negat
Why do we require class and how many different parts of class exists?
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