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Explain the functioning of Firewall Using Screening Router.
Firewall Using Screening Router:
The risk of break-within is large along with this form of firewall:
Every host onto the private network is exposed to the Internet and is ever a potential break-into point. Users who are unauthorized can detect and utilize internal addresses to access information into the firewall. To ignore break-into, screening routers can be set to seem the source address of every incoming IP header in place of the destination address, and drop private addresses which come through the Internet.
Difference between an interpreted language and a compiled language? Ans) A compiled language is written and then run by a compiler which checks its syntax and compresses it int
Name two special purpose registers. Index register Stack pointer
Q. Explain about Registers? A register is a group of flip-flops that store binary information and gates that controls when and how information is transferred to register. An n-
The Concept of Parallel Execution and Concurrent Real world systems are obviously concurrent, and computer science is about modelling the actual world. Examples of actual worl
Introduction to object oriented Analysis & design: tools In case of OOAD, Unified Modelling Language (UML) is a well accepted language. It is used for constructing, visualizin
Highly Encoded micro-instructions Encoded bits required in micro-instructions are small. It provided an aggregated view that is a higher view of CPU as just an encoded
In a DTMF phone, digits are represented by: (A) Orthogonal frequencies. (B) Orthogonal Phases. (C) Orthogonal codes. (D) Orthogonal pulses. Ans: Di
What is a Spool request? Spool requests are formed during dialog or background processing and placed in the spool database with information about the printer and print format.
What is random access memory(RAM or MAIN MEMORY) and mention its types? The main memory in the central storage unit in a computer system. It is relatively large and fast memory
Running Time - Metrics for performance evaluation: Running time is amount of time consumed in execution of an algorithm for a provided input on N-processor based parallel comp
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