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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.
Differentiate between Batch Operating System and Time Sharing Operating System? Batch operating systems : A batch is a sequence of jobs. Such batch is submitted to batch proce
Q. Show Buffered mode for Point-to-point Message Passing? Buffered mode: Transmitting can be started whether or not matching receives has been started and transmitting may comp
SQL Injection includes entering SQL code into web forms, eg. login fields, or into the browser address field, to access and manipulate the database across the site, application or
Explain Busy tone in strowger telephony. Busy tone pattern is demonstrated in figure. This is a bursty 400 Hz signal with silence era in between. The burst and silence durati
Explain an exceptional handling in java with the help of suitable example. Java exception handling is managed through five keywords: catch, try, throw, finally and throws. Th
Syntax of recursion int fib(int num) /* Fibonacci value of a number */ { switch(num) { case 0: return(0); break; case 1: return(1); break; default: /* Incl
GRID COMPUTING Grid Computing signifies applying resources of different computers in a network concurrently to a single problem for solving a scientific or technical problem wh
Determine the uses of Smart cards These comprise embedded microchips and receive power from the card readers; Microchip is made up of RAM, ROM and 16-bit processor and the st
DNS cache snooping is not a term the author just made up, it is called and discussed by some notable DNS execution developers, and a few interested DNS administrators have prob
The number of control lines for 32 to 1 multiplexer is ? Ans. For 32 (2 5 ) the number of control lines and to select one i/p between them total 5 select lines are needed.
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