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Explain what are the External Threats
External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated technology, a number of new threats have developed. It becomes difficult to know when an outsider will attempt to hack the systems or who the intruder maybe. There are a number of examples in the past, the recent being hacking of the government's servers by certain terrorists and foreign nationals.
Some people go to great extremes to gain access to the systems and information. If the Intranet is connected with the outside world via the Internet, it will discover a whole new set of potential problems and subject to a number of attacks. Internal & external threats are shown by Figure1, where one Internal person in Intranet is trying to break the Internal security and one external person is also trying to enter in the Intranet of the organisation.
Q. What is Data traffic? Data traffic Peak data rate : max data rate of the traffic Average data rate = (amount of data)/time Maximum Burst size: max. l
Explain the working of Transceivers Transceivers are used to connect nodes to the several Ethernet media. Most computers and network interface cards having a built-in 10BaseT o
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Sender requests connection from network. Other receiver agrees to connection. Computers interchange data through connection. One-endpoint requests network to split connection when
QUESTION 1. A system analyst has to install a particular type of topology in a textile industry. (a) Describe using diagrams the three most common topologies in terms of nod
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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
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Q. Explain about Flow Control? - Signifies to ask the transmitter to stop/resume sending in data - Required when DTE to DCE speed > DCE to DCE speed - (Exampl
Describe the term - Certification Authority The certification is most easily implemented with a custom solution combined with a server, called the Certification Authority (CA).
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