Protocol and Ethernet Explanation

Protocol is a set of rules that govern communications between computers on a network, the rules include guidelines that apply to the ways or methods of accessing a network, physical topology, the types of cable and data transfer speeds. 

Protocols supported are as follows:

• Ethernet
• Local Talk
• Token Ring
• FDDI
• ATM

Ethernet protocol is by far the most widely used, the Ethernet access method called CSMA / CD (Carrier Sense Multiple Access / Collision Detection). This is a system where each computer listens to the cable network before sending anything into it.

If the network is clear, the computer will transmit the data, if there is another transmission on the cable, the computer will wait and will try to re-transmission if the network has been clean. Sometimes, two computers transmit at the same time, when this happens, each computer will be back and will wait a random chance to transmit data back. This method is known to the coalition, and will not affect the speed of transmission on the network.

The Ethernet protocol allows for linear bus, star, or tree. Data can be transmitted over twisted pair cable, coaxial, or fiber optic cable at speeds of 10 Mbps.

Characteristics of TCP / IP protocol:

• Developed g using a standard protocol open.
• Developed by not depending on the system operation or specific hardware.
• Developed by consensus and not dependent on a particular vendor.
• Independent of network hardware.
• Addressing TCP / IP is unique on a global scale.
• Having routing facility that can be applied to inter-network.
• Having many types of services

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