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What is an Ethernet?
The Ethernet topology was developed at the University of Hawaii to connect computers on the many Islands. It was radio based design. Later, Robert Metacalfe went to Xeros's Palo Alto Research Center (PARC) laboratories and eliminated the radio portion and altered to co-axial cabling. Ethernet is one of the most popular LAN technologies in use today covering more than 85% of the networks. Ethernet system having of three basic elements:
4. The physical medium use to carry Ethernet signals among computers on the network
5. A set of rules (protocols) embedded in every Ethernet interface that will decide how multiple computers on the network will have access to the data on the medium.
6. An Ethernet frame that having of a standardized set of bits used to carry data over the system.
what is software
Define Encoder? A device or program that uses predefined algorithms to encode, or compress audio or video data for storage or transmission use. A circuit that is used to change
Can you describe the concept of NAT
Suppose AES (or any block cipher) is used to encrypt data. Which mode of encryption covered in class is best suited for each of the following two scenarios and why? If more than on
A layer of a glass surrounding the center fiber of glass under a fiber-optic cable.
State the example of intranet security Imagine a situation when a company develops a major new product secretly using its Intranet. Hackers break the security and take away all
Router(config-if)# bandwidth 56
Other than performance issues, there could be security reasons for using something like xinetd. Make simple design in which a new version of xinetd gives a layer of security.
Disadvantages of Fiber Optics - Installation/maintenance - Unidirectional - Cost
write on everything on telecommunication
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