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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.
Selective Repeat ARQ - Processing at the receiver additionally complex - The window size is reduced to 2(m-1) (2m/2 at most) - Both the transmitter as well as the receiv
Input Port The input ports line termination functions and data link processing implement the physical and data link layer associated with an individual input link to
Define the concept of Unicast IP address?
What is Medium Access Control of Ethernet? The set of rules which make sure that each node in an Ethernet gets a fair amount of frame transmission opportunity, are known as the
100Base-FX Utilizes two identical optical fibers in star topology One fiber holds frames from the station to hub one from hub to station Encoding is 4B/5B Si
Determine the command mode necessary to enter the extended ping command Ans) Router#
Question: a) List three characteristics and two potential problems of a peer-to-peer environment. b) List three characteristics and two potential problems of a client/
What is Feasibility condition (FC)?
Token Passing Station is able to send only when it receives a special frame called a token Token circulates around the ring If station wishes to sen
Write a report on your chosen topic that has been approved by your Lecturer. Your report should include appropriate figures, about 2000 words. Topics: 1 MAN- Metro Ethernet 2 Inte
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