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Firewalls Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to des
Q. Explain the Communication Channel Threats? Secrecy Threat - Secrecy is the avoidance of unauthorized information disclosure - Privacy is the guard of individua
Persistent and No persistent Connections HTTP can use both persistent and non persistent connection. By defaults uses persistent connections. Persistent Connections
Q. What is Transmission Media? - Actually situated below the physical layer - Directly controlled through the physical layer - Data should be converted into electromagnet
Path Overhead It is part of SPE and contain followings information: Performance monitor of synchronous transport , signal , path , track ,parity ,checks, and path status.
Q. How is computer networks used in Financial services? Financial services: Today's financial services are totally depended on networks. Application includes credit history
In collective message passing, all the processes of a set participate in communication. MPI gives a number of functions to execute the collective message passing. Some of them are
Time out Timers are used to protect against lost packet. Each packet must have its own logical timers since only a single packet will be retransmitted after timeou
Q. What is data link of osi model? - The data link layer offers access to the networking media and physical transmission across the media and this enables the data to locate it
What is the different type of networking / internetworking devices? 1. Repeater: Also known as a regenerator, it is an electronic device that operates only at physical layer.
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