Discussion
Which of the following are unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?
1.Half-duplex Ethernet operates in a shared collision domain.
2.Half-duplex Ethernet operates in a private collision domain.
3.Half-duplex Ethernet has higher effective throughput.
4.Half-duplex Ethernet has lower effective throughput.
Answer: C
Correct answer: 1 and 4
Half-duplex Ethernet cannot send and receive at once, so every station shares one collision domain and must use CSMA/CD to detect and recover from collisions. Full duplex has a separate path each way, so collisions cannot occur and collision detection is switched off.
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