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Security risks present on the networks
Lots of risks are present everywhere on Internet as well as on Intranet, if it is not known what is being done. Every day a number of servers get connected to the global community but it is less than one percent companies who serious thinks about the security issues. A study of security of web servers reveal that out of 2,000 high-profile web servers consisting of various kinds such as commerce servers, banks, industries, government and so on, only three companies noticed the breaches.
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
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
The major problems with multiple networks are as given: A computer attached to a given server can only interact with other computers attached to the similar network.
1. Suppose the datagram source allocates 12 bytes for this option. Then when the datagram leaves the source host, the RR option area will be like this: 7 12 4 0 0 0 0 0 0 0 0 0
how signals are transmitted in telecommunications
What are the features of star and ring topology The three networks have following features: star: best case is = 2, average case is = 2, worst case is = 2 ring: best case
This assignment consists of both combinational logic circuit and analog counterpart to perform logical operations based on the given conditions. The first objective of this assignm
There are various computational models for representing the parallel computers. In this part, we discuss various models. These models would give a platform for the designing as wel
Let us firstly illustrate the idea of merging two sorted sequences using a odd-even merging circuit. The functioning of a merging circuit is as follows: 1) Let there be two so
Define the terms Unicasting, Multiccasting and Broadcasting? If the message is sent from a source to a one destination node, it is called Unicasting. If the message is sent
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