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 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 Where does routing occur within the DoD TCP/IP reference model?（）
单项选择题 How many addresses for hosts will the network 124.12.4.0/22 provide?（）
