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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. Define Unicast - Multicast and Reserved Addresses? Unicast, Multicast, and Reserved Addresses Unicast address - identifies a specific device Multicast address
What is on electronic payment system? Electronic payment systems are alternative cash credit payment methods using several electronic methods to pay for products and services in
Q. Flow control in TCP? The amount of data a source is able to send before receiving an ACK from the destination Whether to send 1 byte of data as well as wait for ACK
Q. What is Data Representation? Information Today arrives in different forms such as numbers, text, images, audio and video. Text: Represented like a bit pattern a sequence
What is Feasibility condition (FC)?
User Server Interaction Cookies of the world wide web was originally designed as a stateess entity. A client sends a request and the server responds. Their relationship
Q. What is an Error? At any time bits flow from one point to another they are subject to unpredictable changes because of interference The interference is able to change the
What is the Gateway A Gateway is a device like a mini or microcomputer capable of operating on a standalone basis but which also gives connection for communication with the oth
Q. Describe Mail Access Protocols? Mail Access Protocols - Used by receiver to retrieve mail when desired - Post Office Protocol, version 3 (POP3) is a simple limited
Communication, Resource sharing and Media (When many host share their resources with every other OR when many devices connect with each other for resource sharing )
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