Refer to the output.
<Huawei>
Warning: Auto-Config is working. Before configuring the device, stop Auto-Config. If you perform configurations when Auto-Config is running, the DHCP, routing, DNS, and VTY configurations will be lost. Do you want to stop Auto-Config? [y/n]:
When the administrator first starts the router, a system notice is displayed, however after rebooting this router, the notice disappeared.
What is the reason for this? (Choose all that apply.)
A . This notice only appears during the very first device startup.
B . The administrator has configured the device and saved the configuration, causing the notice to disappear.
C . The administrator selected ‘n’ and did not save the configuration.
D . The administrator selected ‘y’ and saved the configuration.
Answer: BD