试题详情
- 多项选择题Which two statemets are true?()
A、DPT/RPR uses a bi-directional ring consisting of two symmetric counter rotating fibre rings.
B、DPT/RPR is defined in the IEEE 802.17 standard and it uses Token Bucket system to avoid collisions on the fiber.
C、In DPT/RPR rings, data packets can be sent in one direction (downstream) and the corresponding control packets in the opposite direction (upstream),thus using both fibres concurrently to maximise bandwidth.
D、DPT/RPR can be deployed in the Core of the SP networks where point-to-point POS links are used tomake best use of the Bandwidth.
- A,C
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