Refer to the exhibit. Look at the command output. What

单项选择题

Refer to the exhibit. Look at the command output. What can you use to prevent this behavior？（）

A. UDLD （UniDirectional Link Detection）
B. spanning-tree loopguard
C. VTP mode transparent
D. switchport mode desirable

相关考题

单项选择题 WhichIGMPv2messagecontainsanon-zero"MaxResponseTime"？（）

单项选择题 Apartfrominterdomainmulticastrouting，whatelseisMSDPusedfor？（）

单项选择题 Refer to the exhibit. Look at the command output. Assume that there is no other path， and the configuration is correct. What would be the consequences of this situation？（）

CCIE(350-001)