Explanation of WAP
Give a brief explanation of WAP.
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Wireless Application Protocol (or WAP) is the protocol for transmitting data between the servers and clients (typically small wireless devices like mobile phones). WAP is equivalent to HTTP in World Wide Web (or www). Many mobile phones consist of WAP browser software to permit users access to the Internet WAP sites.
List out all the equipments which are required for the VoIP? Briefly describe.
Describe the process of LAN’s working?
Parity and Checksums: Noise and momentary electrical disturbances might cause data to be modified as it passes via a communications channel. When the receiver fails to notice this, the received message will be wrong, resultant in possibly severe conse
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What is the right time for replacing cell phone with a VoIP phone? Illustrate briefly.
Explain different types of multiplexing?
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?
What is multicasting? Briefly explain it.
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