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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
Question : a) Explain why pervasive computing can be termed as a "technology that disappears". b) List and briefly explain four main components of a MOTE used in Wireless
Which layer is responsible for negotiating data transfer syntax? Ans) The Presentation layer does the following: Manages data representation conversions, or data transfer syntax
Describe the term - stateful implies The term stateful implies that the firewall is wakeful and is capable of remembering the state of each session of packet exchange across it
What is Sliding Window? The sliding window is an abstract method that explains the range of sequence numbers that is the concern of the sender and receiver. In other words, he
popular digital encoding schemes ?
What can be done to fix signal attenuation problems? A common way of dealing with like problem is to use repeaters and hub, because it will help regenerate the signal and thus
Name the layer responsible for putting 1s and 0s into a logical group? Ans) Frames are broken down into 1s and 0s and placed onto the physical medium by the Data Lin layer.
Q. Explain Stop--and--Wait automatic repeat request? 1. Numbering frames prevents the retaining off duplicate frames. 2. Numbered acknowledgement are needed in case of delay
State the Example of security audit as case study Linda narrates one of her experience about a security audit. She was performing a spot audit where she was checking certain
what is parity checking
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