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Explain the importance of authentication.
Authentication is the method of verifying a user's credentials before he can log into the network. It is normally performed using a username and password. This gives a secure means of limiting the access from unwanted intruders on the network.
What is logical link control? One of two sublayers of the data link layer of OSI reference model, as explained by the IEEE 802 standard. This sublayer is responsible for mainta
A UDP header does not have Sequence number and Acknowledgement number fields. Is it an advantage or a disadvantage? Explain your answer in detail. User Datagram Protocol Th
Q. Describe Flow and Error Control Mechanisms? Flow and Error Control Mechanisms - Stop and Wait ARQ - Go-Back ARQ - Selective Repeat ARQ
Discuss the interdependence of networking hardware and software. Is it possible to have one without the other? Explain
What are the two types of Transmission technologies, basis on which computer networks can be categorized? Broadly there are two types of transmission technology: 1. Broadc
What is LRC? In LRC, a block of bits is separated into rows and a redundant row of bits is added to the whole block. It can detect burst errors. If two bits in one data unit ar
State the term - NetBIOS and IMAP NetBIOS: Network Basic Input Output System is an API (applications programming interface) used with other programs to transmit messages betwee
Q. Show the IP Address Representation? IP Addressing IP Address Representation Binary notation - IP address is displayed as 32 bits Dotted-decimal notation -
Security risks present on the networks Lots of risks are present everywhere on Internet as well as on Intranet, if it is not known what is being done. Every day a number of
confiriguration,capabilities,implementation
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