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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.
Explain the disadvantages of symmetric algorithms?
What is DNS? DNS is Domain Name System. The major function of this network service is to provide host names to TCP/IP address resolution.
A subnet is the part of an IP network.
The diagram below offers an overall view on the methods use by both the OSI and TCP/IP model. ISO Approach - Occasionally called Horizontal Approach - OSI asse
Question 1: (a) In networking, there are different possible topologies. Explain the Linear bus, Ring and Star topology along with their advantages and disadvantages. (b) W
Q. Show Coaxial Cable Connectors? - A most common is barrel connector (BNC) - T-connectors are utilized to branch off to secondary cables - Terminators are necessary for
IGRP is a distance vector routing protocol designed by Cisco. The maximum hop count is 255, and it uses a combination of variables to verify a composite metric. IGRP has an adminis
Define the term - frame and packets Frames sum up packets. When a packet arrives at data link layer, the complete packet, header, data and remaining all, is used as data field
i have an exam i need it to be solved
BRIDGES: A bridge is a hardware device also needed to connect two LAN code segments to extend a LAN. A bridge uses two NICs to connect two code segments. It listens to all tr
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