When a switch port is used as a VLAN trunk, which of the following trunk modes a
When a switch port is used as a VLAN trunk, which of the following trunk modes are valid? (Select all that apply.)
A. Blocking
B. Auto
C. Desirable
D. On
E. Transparent
F. Learning
正確答案：BCDB,C,D 解析：Explanation:A trunk port can be configured as one of the following 5 different modes: on, off, desirable, auto, or nonegotiate.The table below is a summary of the configuration modes.
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