Briefing Huawei Knowledge

What are the possible reasons for this?

A user logged into a VRP supported device through telnet, but when attempting to configure the device, found
that he is unable to use the system-view command to enter the system-view.
What are the possible reasons for this? (Choose two)

A.
The device’s VTY interface only provides permission for some telnet users to run the system-view
command.

B.
The user’s telnet software restricts use of this command.

C.
The user’s privilege level is lower than the level associated with the system-view command.

D.
The system-view command privilege level is lower than the level associated with the user.

Explanation: