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| Question ID 540 | Which two statements describe the operation of the CSMA/CD access method? (Choose two.) |
| Option A | A. In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously. |
| Option B | B. In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting. |
| Option C | C. The use of hubs to enlarge the size of collision domains is one way to improve the operation of the CSMA/CD access method. |
| Option D | D. After a collision, the station that detected the collision has first priority to resend the lost data. |
| Option E | E. After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data. |
| Option F | F. After a collision, all stations involved run an identical backoff algorithm and then synchronize with each other prior to transmitting data. |
| Correct Answer | B,E |
| Question ID 541 |
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| Option A | A. Network Device A is a switch. |
| Option B | B. Network Device B is a switch. |
| Option C | C. Network Device A is a hub. |
| Option D | D. Network Device B is a hub. |
| Option E | E. Area 1 contains a Layer 2 device. |
| Option F | F. Area 2 contains a Layer 2 device. |
| Correct Answer | A,D,E |
