A.spanning-tree mode rapid-pvst B.spanning-tree uplinkfast C.spanning-tree backbonefast D.spanning-tree mode mst
A.trunk mode mismatches B.vlans that do not correspond to a unique IP subnet C.native vlan mismatches D.allowing only vlan 2 on the destination.
A.對于語音資源的非授權(quán)訪問 B.危害網(wǎng)絡(luò)資源 C.偷聽 D.DoS攻擊