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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.
Q. Show the Character-level Encryption? - Substitutional - Monoalphabetic - simplest form; also called Caesar cipher - Every character is replaced with another character
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So how packets do determines their way across the Internet? Does each computer linked to the Internet know where the other computers are? Do packets just get 'broadcast' to every c
Point out the disadvantages of Ring Topology. The drawbacks of ring topologies are: a. It is considerably complex to install and reconfigure ring topology b. Media failur
objective practical questios answers
The performance of interconnection networks is calculated on the given parameters. Bandwidth: It is a calculated of maximum transmit rate among two nodes. It is calculated i
How do we continuously ping an IP Address?
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