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Q. Explain about Error Detection?
Data can be corrupted during transmission because of accidents, Storms, sudden increase in electricity and voltage / decrease in signal power over distance
For reliable communication errors should be detected and corrected
Question : a) Describe the following core components of a cellular based network: i) Cell ii) MSC iii) HLR & VLR iv) PSTN b) Explain why frequency reuse is consi
Write the definition of SAN A SAN is a separate network to handle storage requirements. The SAN detaches storage tasks from specific servers and makes a shared storage facility
Computer Networks 1. Write about different network structures in use. 2. Explain the architecture and usage of ISDN. 3. Describe the concept of framing in Data Link Layer
Control Frame: solicit_successor Periodically ask for any station to link by sending solicit_successor Token with sender's addr and successor's addr wait 2 (as in
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
can we correct errors using crc?
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 What is overlapping
Microcells As cells become smaller, antennas move from the tops of tall buildings or hills, to the tops of small buildings or the sides of large buildings, and finally to lamp
1. Write a critical analysis of the client/server vs. service architecture method for developing service architectures. You must explain what the client/server method is in terms
Advantages of VPNs Advantages discussed in the following section include those related to security. Consolidation transparency cost. And administration. a. Improved secur
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