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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 Action-object matrix A matrix showing how update actions influence objects. It may be considered to be part of user object model as it summarizes user object ac
explan volage triper and voltage quadrupler.
Can we display a list in a pop-up screen other than full-size stacked list? Yes, we can show a list in a pop-up screen using the command WINDOW with the additions beginning at
Intuitively Simple - User Friendliness This is the degree to which the system operates in congruence with human operation, in effect the machine does what we naturally think i
state and prove distributive law?
Q. Block Format and Disk Layout on CD-ROM? A typical block format is displayed in Figure (a). It comprises the subsequent fields: Sync: Sync field identifies beginning o
Q. Illustrate about Packet switching? Packet switching is used to avoid long delays in transmitting data over the network. Packet switching is a technique that limits the amoun
Based on the disciplines of engineering, AI and physiology robotics is concerned with building robot machines with physical capabilities akin to human beings which are cont
Define Process. Process: It is a program in execution; process execution should progress into sequential fashion. Process contains: program counter stack dat
Explain about Magnetic tape a) They are mostly used for keeping files of data b )It is one of the cheapest and slowest methods for storage
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