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?（）
A. client B. dynamic C. server D. static E. transparent
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?（）
单项选择题 For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?（）
