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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.
Applications of Fiber Optics - Backbone networks because of wide bandwidth and cost effectiveness - Cable TV - LANS - 100Base-FX (Fast Ethernet)
OBJECTIVES After studying this part, you should be able to: Explain the Metrics for Performance Evaluation; Notify about various Parallel System Overheads; Desc
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master construct #include extern float average(float,float,float); void master_construct ( float* x, float* xold, int n, float tol ) { int c, i, toobig; floa
What are advantages of having e-commerce over extranets
Determine about the TCP/IP and OSI model Both models are based on the layered protocols. Both comprise network, transport and application layer. In both the models, transport s
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How is NAT executed
what are the terms CSU, DSU and TSU?
a) TP lite , based on stored procedures. b) TP heavy , based on the TP monitors.
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