What kind of topology does Ethernet use?
Ethernet is a widely used computer networking technology that connects devices over a physical medium such as twisted pair cables or fiber optic cables. It is a type of local area network (LAN) technology that allows devices to communicate with each other within a limited area, such as a home, office, or school.
Ethernet uses a bus topology, which means that all devices are connected to a single cable called a bus. Data is transmitted in both directions on the bus, and all devices can receive and transmit data. This type of topology is relatively simple to implement and manage, but it can be susceptible to collisions, which occur when multiple devices attempt to transmit data at the same time.
To mitigate the effects of collisions, Ethernet uses a carrier sense multiple access with collision detection (CSMA/CD) protocol. CSMA/CD requires each device to listen to the bus before transmitting data. If the device detects that the bus is busy, it will wait to transmit until the bus is clear. This helps to reduce the number of collisions and improve the performance of the network.
Related Questions
- What is the speed of Ethernet? Ethernet speeds range from 10 Mbps to 100 Gbps, depending on the type of cable and equipment used.
- What is the maximum distance that Ethernet can be used over? The maximum distance over which Ethernet can be used depends on the type of cable used. For twisted pair cables, the maximum distance is 100 meters. For fiber optic cables, the maximum distance can be much greater.
- What is the advantage of using Ethernet over other types of network technologies? Ethernet is a relatively simple and inexpensive type of network technology that is easy to implement and manage. It is also a very versatile technology that can be used for a wide range of applications, from simple home networks to complex enterprise networks.
- What are the disadvantages of using Ethernet? Ethernet can be susceptible to collisions, which can degrade performance. It is also not as secure as some other types of network technologies, such as fiber optic networks.
- What are some of the popular uses of Ethernet? Ethernet is used in a wide range of applications, including home networks, office networks, and enterprise networks. It is also used in many industrial and commercial applications, such as factory automation and building management systems.
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