Which of the following commands can be issued without interfering with the operation of loop guard?()

A . Switch(config-if)#spanning-tree guard root B . Switch(config-if)#spanning-tree portfast C . Switch(config-if)#switchport mode trunk D . Switch(config-if)#switchport mode acce

时间:2022-08-31 09:41:53 所属题库:CCNP(642-813)题库

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