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思科认证考试

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Which of the following specifications is a companion to the IEEE 802.1w Rapid Spanning Tree  Protocol (RSTP) algorithm, and warrants the use multiple spanning-trees? ()

  • A、 IEEE 802.1s (MST)
  • B、 IEEE 802.1Q (CST)
  • C、 Cisco PVST+
  • D、 IEEE 802.1d (STP)
  • E、 None of the other alternatives apply
正确答案:A
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