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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
What are the risks by customer's perspective in Electronic Payment Systems? Risks within Electronic Payment Systems: Through the customer's perspective are as follows:
Call by value and Call by reference Call by value means sending the values of the arguments- The value of each of the original arguments in the calling function is copied in
Microsoft Visual basic has its host of problems one such being macros, Macros can be formed which can make havoc for a programmer with good intentions. Also the security issue rest
The most expensive method of accessing Internet is to use leased lines which connect directly to the ISP. This will increase access rate to anywhere between 64 K and 1.5 Mbps, rely
write a program to find the area under the curve y=f(x) between x=a and y=b integrate y=f(x) between the limits of a and b. the area under a curve between two points can be found b
How to increase simulation speed First figure out what is eating away your CPU cycles. Is it 1. Compile time - Use a Make file to compile only files with changes and not
Q. Use of Overlapped Register Windows? Register file comprises 138 registers. Let them be called by register number 0 - 137. Diagram demonstrates the use of registers: when
What is the use of buffer register? The buffer register is used to avoid speed mismatch among the I/O device and the processor.
With the help of a neat diagram, explain the working of a successive approximation A/D converter Ans: Successive Approximation ADC: It is the most broadly used A/D con
What is a Data Class? The Data class verifies in which table space the table is stored when it is formed in the database
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