4.1.3

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Which of the following use the CSMA/CD access method? - 10BaseFL - Token Ring - FDDI - 1000BaseT

- 1000BaseT CSMA/CD stands for Carrier Sense Multiple Access/Collision Detection. It defines the steps network devices take when two devies attempt to use a data channel simultaneously. Thernet networks use CSMA/CD, including 10BaseT, 10Base2 and 1000BaseT.

The media access control method of all Ethernet networks is____________. - CSMA/CD - Token passing - CSMA/CA - Polling

- CSMA/CD Carrier sense multiple access with collision detection (CSMA/CD) is the media access control method of all Ethernet networks.

Which of the following physical topologies are used with Ethernet networks? (Select two) - Mesh - Star - Ring - Bus

- Star - Bus Ethernet networks use either a physical bus or physical star topology. Hubs can also be cascaded to form a tree topology.

A network is connected following the IEEE 802.3 specifications. Which of the following best describes when a device can transmit messages? - The device requests permission from a controlling device. - The device listens to determine if the transmission media is free. - The device transmits whenever it is ready. - The device with the token can use the transmission media. - The device is notified of its turn to send messages.

- The device listens to determine if the transmission media is free. The IEEE 802.3 committee describes the CSMA/CD media access method. Devices listen to the networks to determine if the transmission media is free before transmitting.


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