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State the term - Lot of care required while programming
It is a common and well-known saying that many developers of "secure systems" leave a "back door" way for themselves so that they can get into the system bypassing the secure front door.
The big problem is that often the companies owning the web servers or Intranets have so many contractors and newly recruited programmers writing critical code who do not know the intricacies of the system security. The code never being reviewed causes the greatest concern.
Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
Explain the uses of Firewall in computer For Intranet developers, restricting access of unauthorised users to the Web site has been the greatest challenge. In addition to preve
Networks are more frequently being prepared to allow specification of the quality of service needed by users. For example: - a typical voice telephone call may give a QoS para
Describe the count-to-infinity problem in distance vector
Design the user interface for mode switching and data entry any way that you like. For example, to switch an application from transmit mode to receive mode, you can give it special
Can you describe screened host architecture?
Q. What is Bipolar Encoding? - Uses three voltage levels negative, positive and zero - Zero level represents binary 0; 1s are represented with alternating positive and negat
briefly explain how firewalls protect networks
- The project should include a web server, and an example webpage - Webserver should continue to accept multiple requests from client browser - Webserver should print out logs: how
What is piggybacked ACK The protocol will be incorrect. Suppose that 3-bit sequence numbers we are using. Consider following situation: A just send frame 7. B gets frame
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