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Which layers are user support layers?
Three layers are come under user support layer:-
a. Session Layer
b. Presentation Layer and
c. Application Layer
When an error is discovered the receiver is able to ask the sender to retransmit the entire data unit Error Correction-Forward Error Correction A receiver is able to u
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
What are the different kinds of host in multicasting?
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
- EIA/ TIA specifies and RJ-45 connector for unshielded twisted-pair (UTP) cable. The letter RJ stand for registered jack and the number 45 refers to a specific wiring sequence.
What is redirector in Networking? Redirector is software that intercepts file or prints I/O requests and changes them into network requests. This comes under presentation layer
Illustrate the term- Search Engine and Surfing Search Engine: Software used to find information on the Web. Examples are Google, Lycos and Yahoo. Server: A computer with
Describe what is meant by Asymmetric Multiprocessing (AMP)? Ans) It imposses hierarchy and a division of labour between processors. Only one designated processor, the master, co
Random effects are the effects attributable to an infinite set of levels of the factor, of which only the random sample occur in the data. For example, the investigator may want t
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
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