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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.
Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
Layers, Massages, Segments, Datagram's and Frames Figure 2.15 show the physical path data takes down a sending end systems protocol stack up and down the protocol stac
• This device creates one big collision domain and one large broadcast domain.
A hypertext link is a special tag that links single page to another page or resource. If you click the link, the browser goes to the link's destination.
What are TP-Lite and TP-Heavy Monitors? Ans) TP-Lite is simply the integration of TP Monitor functions in the database engines.TP-Heavy are TP Monitors which handles the Client/
What are the benefits of wireless devices One benefit is that if everyone uses standard, everyone can talk to anyone. Another benefit is that extensive use of any standard will
Q. What do you mean by Substitutional Ciphers? Substitutional Ciphers Monoalphabetic Substitution Polyalphabetic Substitution - Transpositional - character
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
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explain shortest path routing in detail
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