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Define about the term - hackers
Every time technology updates itself, new techniques evolve. At the same time thieves or intruders (in the information technology line, they are called "hackers") also get equally intelligent since they too must be using increasingly sophisticated tools.
When we specifically block, single router update for other routers
QUESTION 1 (a) Draw a use-case model for the above system. You must identify all possible actors and use-cases. (b) Assume you are using the Rational Unified Process a
Q. Example of go back - N protocol? The window size is 4. A sender has sent frame 6 as well as the timer expires for frame 3 (frame 3 not ACKn'd). The sender goes back as we
Explain about the Integrating Intranet These Intranets are designed to replace the complexity of in-house communications and processing systems that large organisations ofte
Question: The input to the circuit in the figure is a square wave that is symmetrical about 0V. Sketch the output waveform.
Concept Of Permutation Network In permutation interconnection networks the information transfer necessitates data transfer from input set of nodes to output set of nodes and po
What is Bookmark A list of pages a user likes to frequently visit. Netscape® Navigator and Explorer® have a "bookmark" menu item which allows users to add favourite sites vi
Q. Explain Dynamic Domain Name System? DDNS - Dynamic Domain Name System automatically updates the DNS master file - Sent by DHCP to a primary DNS server; secondary se
What is Microwave? Microwaves have been used in data communications. Microwave has a higher frequency than radio waves and thus can handle larger amounts of data.
Question 1: a. Differentiate between the several types of switching networks together with illustration. b. With the help of a diagram explain the two modes of operation un
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