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Q. What are the basic key functions of data link layer?
Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer is utilized by data link layer. Main basic function of data link layer is media and framing access control.
Question 1 A) Explain briefly the advantages wireless communication systems B) What is a cellular network? Question 2 Explain fundamental architecture of
Q. What is Multimode Graded-Index Fiber? - Ever since the core density decreases with distance from the centre the light beams refract into a curve - Eliminates problem with
design issues
Describe some common threats to the hardware Theft of a computer, printer, or other resources. Tampering by a disinterested or frustrated employee who takes every chan
What common software problems can lead to network defects? Software related problems can be any or a combination of the following: - Client server problems - Application
Q. Show the Importance of Security? The Internet presents enormous business opportunities. The Internet is open to public, vulnerable to various attacks. One of the major
Define the uses of Intranet Intranet can largely eliminate paper-based documents, which otherwise become outdated over passage of time. Increased communication will also lead t
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Computer Networks A computer networks can be defined as set of computer that interact among the individual computers sharing resources or information. Reference models
Data Routing Functions The data routing functions are functions that when executed set the path between source and destination. In dynamic interconnection networks there may be
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