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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.
Switch Generally called as two layer switch . it performs on physical and data link layers. It is a bridge it has many ports that allow better performance. Since
Let's consider the network shown in Figure 1 where Snort is deployed. In Figure 1, why is Snort deployed in the DMZ instead of the Internal Network? In Figure 1, say True or
CONNECTION-ORIENTED: Accounting is simpler. Application can learn of network causes immediately. CONNECTIONLESS: It has fewer load. It is easier to cre
CONNECTION MULTIPLEXING: In various circumstances transceiver can be in convenient e.g. workstations in a LAN. Connection multiplexer acts multiple computers to a single tran
..internetworking devices
Transition Phases A PPP connection goes through phases which can be shown in a transition phase . Dead: In the dead phase the link is not being used. There is no ac
One of the most popular models for designing parallel algorithms is PRAM (Parallel Random Access Machine). A PRAM consists of unbounded number of processors interrelating with each
Describe Circuit switching, Packet switching and Virtual Circuit Packet switching. Explain their suitability for different applications such as telephone and internet. Packet S
Why Routine security audits are essential It is essential that regular security audits are conducted to find out physically which computer is connected and permits access to
Allows for transmission and receiving of data concurrently
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