单项选择题
A. Update the configuration logs
B. Update the network wiring schematics
C. Update the network configuration procedures
D. Compare the configuration with the baseline
单项选择题 Which of the following is MOST commonly powered using PoE?（）
单项选择题 Which of the following is the name of the routing update process involved when a change occursin the routing environment?（）
单项选择题 Which of the following is used by RADIUS to encrypt messages between the server and the client?（）