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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.
A subnet is the part of an IP network.
Geo stationary satellite The satellite which is known as earth-orbiting satellite is called geo stationary satellite. The geo stationary satellite is placed directly over the e
Matric define as Formula of path selection
can we solve the problem using bounded buffer space if the propagation delay is arbitrarily large ?
Explain the cost of a path between two nodes Given a network of nodes linked by bidirectional links, where every link has a cost associated with it in each direction, explain t
A default route is used if there is not a particular entry in the routing table for the destination.
What is the benefit of using classless addressing over classfull addressing scheme?
a) Consider that a host is sending a frame of 1200 bytes to another host found 20 Kilometers away. (Assume that switching delay is negligible) i) Calculate the total latency (
A statistical encoding algorithm is being considered for the transmission of a large number of long text files over a public network. Part of the file content is as follows: DOD
Question 1: a. What is xDSL and enumerate the benefit of such a technology? b. Name some of the typical applications of xDSL and the different types and standards of xDSL.
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