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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.
It is a basic quantitative property of networks. Delay is a calculate how long it takes for a bit of data to cross across the network from one end to the other. It is calculated in
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Define Character Stuffing? In byte stuffing (or character stuffing), a particular byte is added to the data section of the frame when there is a character with the same pattern
Sending a message to a group multicast address is known as multicasting, and its routing algorithm is known as multicast routing.
Overview of Data transmission network model A network is a combination of hardware and software that sends data from one location to another. The hardware consists of the physi
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what is the best time to use brouter rather than router? what are advantages of using brouter over router?
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Floating Point Representation in Memory 1. Describe the various ways of floating point representation in memory. What is the importance of normalizing the mantissa in this rep
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