单项选择题
Given the following router output,which configuration file will the router use at its next reload?（）
A.config
B.clientqos.cnf
C.startup-config
D.running-configuration
单项选择题 Where should you install the spare line module in a redundancy group?（）
单项选择题 You would like to configure your PC's IP address of 10.10.0.156 as an FTP host with a username of user and a password of mypass.Which configuration command accomplishes this goal?（）
单项选择题 By default,how does the router handle changes to its operational configuration?（）