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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.
Explain Is NAT a firewall?
Determine the term- Cyberspace The conceptual or virtual area where pages, data, images, and all the rest are stored. It is the area from where requests are accepted and ful
What are Stored procedures? A stored procedure is s named collection of SQL statements and procedural logic that is compiled, verified and kept in a server database. It is typi
Screened Host Architecture This architecture consists of two host machines: a Screening Router and a Screening Host. Screening Router is placed between a local network and the
Q. Illustrate Error Detection-Simple Parity Check? Error Detection-Simple Parity Check A redundant bit called as Parity Bit? is added to every data unit. Even Pa
These two command show the cisco IOS filename a) show ver b) show flash
use
Q. Show Data link and Physical vs Subnet? - Data link layer The function of the Data Link Layer is -offers for the control of the physical layer and detects and possib
How many types of twisted pair cable are there We can find two types of twisted pair cables, namely: Unshielded Twisted Pair Cable (UTP) and Shielded Twisted Pair Cable (STP).
User Datagram Protocol - UDP is a connectionless oriented transport protocol for use when the upper layers give error-recovery and reliability. UDP does not sequence data or re-ass
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