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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.
Q. Example of go back - N protocol? The window size is 4. A sender has sent frame 6 as well as the timer expires for frame 3 (frame 3 not ACKn'd). The sender goes back as we
Undesirable Sharing With the good comes the bad while networking allow the easy sharing of useful information it also the sharing of undesirable data. One sign
Perfect Shuffle Permutation This was advised by Harold Stone (1971). Consider N objects each characterized by n bit number say X n-1, X n-2, X 0 (N is chosen such that N
Explain the basic of Network Properties The subsequent properties are related with interconnection networks. 1) Topology: It refers how the nodes a network are systema
There are two logical addressing :- a) Datalink is physical (hardware) addressing. b) Network is logical (software) addressing.
What are the drawbacks of Ethernet Cabling? The Ethernet cabling ahs the following drawbacks: 1. Ethernet is not a high-level performer in high-load environments. This proto
Ans) the two commands are:- show ver show flash
It is an additional 16-bit number which uniquely identifies the specific service on any given machine on the Internet. Port numbers are 16 bit wide, so each of the computers on the
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
What are the functions of the typical server program? Ans) It waits for client-initiated requests. Implements many requests at the similar time. Takes care of VIP clients first.
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