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Question:
(a) Describe the importance of backups and the use of antivirus software.
(b) With the help of an example/ illustration, explain the term encryption and explain its relevance in electronic transactions.
(c) How could intranets be useful in an organisation
(d) Explain how prototyping can help having better Information Systems in an organisation.
Quetion: A photodiode with a dark current of 10 nA has a responsivity of 0.4 A/W at a certain wavelength. What current flows through the photodiode when it is reverse biased an
In RIP why we have HOP count of 15?
Simple Mail Transfer Protocol ( SMTP) SMTP is the principal application layer protocol for internet electronic mail. It uses the reliable data transfer service of TCP to
What do you meant by "triple X" in Networks? The function of PAD (Packet Assembler Disassembler) is defined in a document known as X.3. The standard protocol has been explaine
Q. Describe about Cryptography? - Some media cannot be protected from unauthorized reception (or interception) - Encryption involves transforming the original information in
What is difference among routing and routed protocols? Ans) i) Routing use for top path selection ii) Routed protocol carries on source and destination information.
There are two dominant forms of building distributed systems: client-server systems, i.e. systems in which one machine acts as a server and act as clients; and peer-to-peer systems
What is meant by Asymmetric Multiprocessing (AMP)? It imposes hierarchy and a division of labor between processors. Only one designated processor, the master, controls (in a ti
Q. Show the Traffic profiles? Constant-bit-rate traffic - ADR=PDR No MBS Variable-bit-rate traffic ADR != PDR Small MBS Bursty traffic
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
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