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What is a computer network?
Computer Network is a collection of distributed intelligent devices that are connected with each other with transmission media for the purpose of data sharing, communication and sharing of computer resources.
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. Su
There is a many-to-one relationship among clients and server. Clients always start the dialog by requesting a service. Servers are passively awaiting for requests from clients.
How does the cut-through switching technique work? Ans) Cut-Through switching copies only the destination address which is the first 6 bytes after the =frame preamble into its b
What is the difference between trigger and rule? Ans) The triggers are known as implicitly by database generated events, whereas stored procedures are known as explicitly by cli
What is NVT (Network Virtual Terminal) It is a set of rules explaining a very simple virtual terminal interaction. The NVT is used in the begin of a Telnet session.
Database servers connected as a cluster to the main server There could be three database servers connected as a cluster to the main server to provide better connectivity and se
What are the issues there in network environment Some of the issues necessary are: Network planning should be carried out covering the following important issues:
Define Choke packet and Implicit congestion signalling Choke packet: A choke packet is a control packet produced at a congested node and transmitted back to a source node to co
What is packet filter? Packet filter is a standard router up to with some extra functionality. The extra functionality permits every incoming or outgoing packet to be inspected
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
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