单项选择题
Which switch would STP choose to become the root bridge in the selection process?（）
A.32768：11-22-33-44-55-66 B.32768：22-33-44-55-66-77 C.32769：11-22-33-44-55-65 D.32769：22-33-44-55-66-78
单项选择题 A default Frame Relay WAN is classified as what type of physical network？（）
单项选择题 Which VTP mode is capable of creating only local VLANs and does not synchronize with other switches in the VTP domain?（）
单项选择题 TheenablesecretcommandisusedtosecureaccesstowhichCLImode？（）
