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Question:
(a) Short Message Service (SMS) is a service available on most mobile phones that allows the sending of short messages between mobile phones, other handheld devices and even landline telephones.
Briefly describe why an SMS is limited to 160 characters.
(b) Multimedia Messaging Service (MMS) is a standard for a telephony messaging systems that allow sending messages that includes multimedia objects (images, video, audio, rich text) and not just text messages as in Short message service.
Briefly explain the two modes of delivery in MMS.
(c) Prepare the basic steps that should be taken to secure a WiFi network.
Fragmentation - Wireless environment is very noisy - Corrupt frames must be retransmitted - Large frames must be divided into smaller ones to increase efficiency
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Selection of computing infrastructure The computing equipment on an Intranet must be selected in such a manner that they do not get obsolete very quickly or become too costly f
What advantages does fiber optics have over other media? One main advantage of fiber optics is that is it less susceptible to electrical interference. It also supports higher ba
Q. Explain the Public-Key Cryptography? Public-Key Cryptography - Each user has the same encryption algorithm and key - Decryption algorithm also key are kept secret
Explain how the lan model be developed The LAN model can be developed incrementally. If LAN is just a long cable. it cannot be brought down by single failure (if servers are re
Client Server Processes A network application consist of pairs of process that send message to one another over a network. For example in a web application a client
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Can you describe format of RTP and RTCP packets?
Unfortunately, building real-life distributed systems is not easy. It is hard, for instance, to implement instructions such as "send this data structure to be processed on that com
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