Explaining the GPS Work
Explain how does the GPS Work?
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Three different parts make up the Global Positioning System. The first segment of system contains the 24 satellites, orbiting 20,000 km above the Earth in the 12 hour circular orbits. This means that it takes every satellite 12 hours in order to make a complete circle around Earth. For make it sure, that they may be detected on the Earth’s surface from anywhere, the satellites are divided into 6 groups of four. Every group is allocated a different path to follow. This generates six orbital planes that completely surround the Earth.
In the short range, explain what will happen to levels above and below the population of secondary consumers of numeric pyramid if large number of the individuals from this population dies?
Explain the term transposition and substitution encryption?
4 channels, two with a bit-rate of 300 kbps and two with a bit-rate of 250 Kbps are to be multiplexed employing multiple slots TDM with no sync bits. a. Find out the size of a frame in bits? b. Determine frame rate? c. Compute the duration of a frame? d. Find out the data rate?
Explain the reasons which affect the security of the network?
Briefly list out all the equipment which is required for the VoIP?
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Criticise the statement that ‘RPC is nothing more than socket hiding’.
Mobile telephone networks started with analog technology. Analog cellular networks were known as first generation (1G) networks. Such networks had limited capacity, and were subject to fraud and eavesdropping. Digital cellular telephone networks are known as second generation or 2G networks. Digi
Explain various types of networking / internetworking devices?
What do you mean by the term Kerberos? Describe it in brief.
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