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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.
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DLCI- Data Link Connection Identifier. A frame-relay service provider usually assigns DLCI values that are used by frame-relay to distinguish among different virtual circuits on th
Options The options fields may be used to provide other functions that are not covered by the header. If the length of the options field is not a multiple of 32 bits
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Name the protocol which is networking middleware SOCKS is a networking middleware: a circuit-level gateway, acting as a proxy and is placed at the session layer to mediate clie
Alice sends a message to Bob, encrypted with a symmetric key. Bob decrypts the message and finds it is a purchase order for an expensive workstation. When the time comes to deliver
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
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