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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.
Wait protocol The wait protocol is used for resolving the conflicts, which arise due to number of multiprocessors demanding the same resource. There are two types of wait prot
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A multimeter is used to measure a sinusoidal signal and reads 2V RMS; what is the peak-to-peak voltage of the signal? A mark will be deducted if you do not quote your answer to 2 s
QUESTION (a) Explain briefly what is meant Client-server Computing? (b) Distinguish among client process and server process (c) What are the four basic characteristics of
What is multicast routing? Sending a message to a group is known as multicasting, and its routing algorithm is known as multicast routing.
DLCI stands for Data Link Connection Identifier. It identifies the local PVC.
Q. Explain about Star Backbone network? - Collapsed or switched backbone - Backbone is just one switch that connects LANs - Utilized as distribution backbone inside a bui
Q. Show the CRC-Performance ? CRC-Performance CRC is able to detect all burst errors that affect an odd number of bits CRC is able to detect all burst errors of
Which switching technology can decrease the size of a broadcast domain? Ans) VLAN's are logical ways to break up a huge broadcast domain. To get from VLAN to VLAN you must ha
what is cryptography
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