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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.
It is one of the models based on PRAM. In this model, the processors access the memory locations concurrently for reading as well as writing operations. In the algorithm, which use
Dynamic Configuration int pvm_addhosts( char **hosts, int nhost, int *infos ) Add hosts to the virtual machine. hosts is an array of strings naming the hosts to be
Features 1. Simple to install; 2. Simple to configure; 3. Multiple applications from one user can implement; 4. Multiple users can each use PVM concurrently; 5. C, C++, and
Explain IBM's SNA Architecture SNA is a computer networking architecture that was formed by IBM to give a network structure for IBM mainframe, midrange, and personal computer s
Encryption Authentication One common technique used to encrypt and authenticate in VPNs is IP security. IP sec is a collection of protocols designed by the IETF( Internet En
Data Sharing One of the most important uses of networking is to allow the sharing of data. Before networking was common an accounting employee who wanted to prepare a report f
Challenge Handshake Authentication Protocols (CHAP) CHAP as its an implies implements a form of authentication that requires a challenge and a response. A CHAP authenticator
Switches operate at layer 2. They enhance bandwidth by decreasing the number of devices sharing the media. They isolate collisions. Like a bridge they forward traffic based upon la
Point to Point Architecture The term peer means equal which can be informally interpreted as a process with capability similar to the other processes with process communic
A logical circuit that is created by Virtual channel links. It carries data among two endpoints in a network. The one more name for Virtual Channel is Virtual Circuit.
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