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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.
what is the best time to use brouter rather than router? what are advantages of using brouter over router?
Q. What do you understand by Protocol? Ans: In the context of data networking, a protocol is a formal set of rules and conventions that governs how computers interchange infor
What is OSI and what role does it play in computer networks? OSI (Open Systems Interconnect) serves as a reference model for data communication. It is made up of 7 layers, with
What is Message Oriented Middleware (MOM)? MOM permits general purpose messages to be exchanged in a Client/Server system using message queues. Applications communicate over n
What is the minimum size of MTU bytes is
Q. What is Manchester? - Utilizes an inversion at the middle of each bit interval for both synchronization and bit representation - Negative-to-positive represents binary 1
PACKET SWITCHES: To span large distances or several computers, networks must removed shared phase with packet switches. Each switch moves whole packet from one connection to
Describe the term - Certification Authority The certification is most easily implemented with a custom solution combined with a server, called the Certification Authority (CA).
what are usages of gogle and internet
ARP sent the request in broadcast, response is unicast When a source sends ARP request the switch broadcast the ARP req. if it doesn't have the destination mac address in its ma
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