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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.
You are requested to design a secure home or small scale network (Fig. 1) to satisfy the key concepts underlying computer and network security: confidentiality, integrity, availabi
Security risks present on the networks Lots of risks are present everywhere on Internet as well as on Intranet, if it is not known what is being done. Every day a number of
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Can you describe what a FIREWALL is?
Q. Show Ethernet Media standard? - The cables and connector specifications utilized to support Ethernet implementations are derived from the EIA/TIA (Electronic Industries Asso
Demarcation is the point in which responsibility changes hands.
Processor Arrangements It is a very frequent event in data parallel programming to group a number of processors to perform definite tasks. To reach this goal, HPF gives a direc
Token Passing - Token Ring (IEEE 802.5) Needs that station take turns sending data Token passing coordinates process Token is a especially formatted three-byte fr
What are the dissimilar ways authentication mechanism in VPN?
what is protocol?
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