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QUESTION
a) The aim of a computer network is to increase efficiency and reduce costs. Explain how networks of computers achieve the above.
b) Describe the star topology. Support your answer with appropriate diagrams.
c) Apart from computer viruses, briefly explain TWO other security problems that emanate from the Internet.
Question 1 Explain FDM and TDM with example Question 2 Define B-ISDN and explain its services Question 3 What is symmetric key cryptography? Describe one symmetric
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 (a) What are the problems with IPv4 on today's Internet and how does IPv6 solve these problems? (b) Describe at least three ways in which IPv6 is more efficient tha
Can you describe dual home architecture?
Illustrate the term- Search Engine and Surfing Search Engine: Software used to find information on the Web. Examples are Google, Lycos and Yahoo. Server: A computer with
Q. Factors effects the quality of image of monitor? Four factors effects the quality of image of monitor: 1. Phosphor coating: This affects the colour and persistence (Th
Matric define as Formula of path selection
Deadlock Avoidance To avoid deadlocks two types of strategies are used: 1) Static prevention: It uses V and P operators and Semaphores to allocate and deallocate shared res
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
Explain Application Gateway?
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