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思科认证考试

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On switch R1 you issue the "udld enable" global command.  What does this command accomplish? ()

  • A、 Enables all fiber-optic LAN ports for Unidirectional LINK Detection (UDLD)
  • B、 Enables all copper media LAN ports Unidirectional Link Detection (UDLD)
  • C、 Overrides the default UDLS setting for all ports
  • D、 Globally enables all ports on the device for Unidirectional Link Detection (UDLS)
  • E、 None of the other alternatives apply
正确答案:A
答案解析:
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