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Describe briefly how firewalls prevent network.
A firewall is only a program or hardware device which filters the information coming via the Internet connection within your private network or computer system. When an incoming packet of information is flagged through the filters, this is not allowed via the network.
A firewall provides a company tremendous control over how people employ the network.
Which one is better hardware or software firewall While deciding whether to buy a hardware or software firewall, the user must consider important factors such as performance an
Define USB. The Universal Serial Bus(USB) is an industry standard developed to give two speed of operation known as low-speed and full-speed. They provide simple, low cost and
There are two goals to AI; the major one is to produce an artificial system that is about as good as or good than a human being at dealing with the actual world. The second goal is
Data is to be transmitted using a modem at 9600 bps. Determine the minimum bandwidth of the system with the following modulation methods (a) FSK (b) ASK. Use the excess bandwidth f
What is actor? An actor is a direct external user of a system. Every actor shows objects that behave in a particular way towards systems. Actors are directly linked to system.
write a program that evaluate the following arithmetic expression: ((A+B) /C) * ((D-A)+E) assign test value to the variable and display the resulting value.
Build data Flow diagrams showing functional dependencies Data flow diagrams are very useful for showing functional dependencies. In data flow diagrams processes are indicated
What are prefetch instructions? Prefetch instructions are those instructions which can be inserted into a program either by the programmer or by the compiler.
Explain at least one modulation technique used for high speed modems. FSK - Frequency Shift Keying: In such technique the frequency of the carrier signal is changed as per to
Determine the importance of computer Hardware Hardware forms the greatest asset of the company, but it reaches obsolescence very quickly. Normally, it is said that every six mo
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