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
参考答案
正确答案: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.