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Collisions can decrease network performance.
Collisions can decrease network performance.
Access control list
token passing
Controlled-based media access control is based upon having a system in place for allowing one host to transmit at a time. It is also known as deterministic method since there is a process to determine which host transmits at a certain time. No collisions exist with this type of media access control. An example would be token ring where a token is passed from host to host and when it has the token it can transmit and others do not transmit at that time. Contention-based media access control is known as non-deterministic because hosts can transmit whenever they want. CSMA/CD is an example of this. Collisions do exist.
Access control list (ACL)
This is a function of the token ring topology.
Media Access Control Method or MAC method
media sharing and logical topology
Collisions can decrease network performance.
switching
Ethernet uses Carrier Sense Multiple Access with Collision Detection (CSMA/CD) as its media access control method. In this system, devices listen to the network before transmitting data to ensure that the channel is clear. If two devices transmit simultaneously, a collision occurs, and both devices stop transmitting, wait a random period, and then attempt to resend their data. This approach helps to minimize data collisions and manage access to the shared communication medium.