avoid Layer 2 loops. Which two of the

avoid Layer 2 loops. Which two of the following are most probably the reasons for that preference?（）

A Information about port roles is sent to all switches.
B RSTPs that are based on Cisco products require no additional configuration.
C Features such as UplinkFast and BackboneFast are compatible with RSTP.
D An RSTP that is based on Cisco products generally performs better than the Cisco proprietary 802.1D enhancements.

参考答案

参考解析：

分类：CCNP(642-067)题库

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