Answer: User EXEC mode
Step-by-step explanation:
User EXEC mode is generally used in a router for boots up which contain configuration of file in the operating system that is store in the NVRAM.
The user EXEC mode is basically used in the settings and system testing in the operations. This command allow connection with the remote devices and also change the settings of the terminal line so that it perform various basic test in the system. For access this command we need a valid password.
There are basically two types of user EXEC command that are: