要确保交换机成为VLAN30的根网桥,可使用下面哪两个命令之一?()A.spanning-tree vlan 30 priority 0B.spanning-tree vlan 30 priority 16384C.spanning-tree vlan 30 root guaranteeD.spanning-tree vlan 30 root primary
题目
要确保交换机成为VLAN30的根网桥,可使用下面哪两个命令之一?()
A.spanning-tree vlan 30 priority 0
B.spanning-tree vlan 30 priority 16384
C.spanning-tree vlan 30 root guarantee
D.spanning-tree vlan 30 root primary