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Explain about the network level in detail.
Network Level Firewall/Packet Filters:
At the Network level firewalls operate upon the mechanism of filtering individual IP packets by using the routers.Packet filters, termed “access control lists” onto Internet routers give the rudimentary through security.
Filters are configured to permit/discard packets based upon attributes as like:
1. Exact source or destination IP addresses
2. Exact protocol forms
3. Exact source or destination port numbers
4. TCP flags set/clear into the packet header
Explain the working of a 2-bit digital comparator with the help of Truth Table. Ans. Digital comparator is a combinational circuit which compares two numbers, A and B; and
How do I connect to an SQL Server instance that is running on a machine with multiple instances of SQL Server 2000? Ans) Every instance of MS SQL Server must be listening on a d
explain tower of Hanoi problem?
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Disadvantages of random scan display - Just by wire-frame, it is almost impossible to create images with shaded objects or areas filled with a given colour. - In case
In this problem you are given a board in which some of the elements are placed as shown in diagram below. Each element represents a color. Fill the other elements in the board, suc
Q. Explain Sample Instruction Format of MIPS instruction? All MIPS instructions are of same size and are 32 bits long. MIPS designers chose to keep all instructions of same len
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