Which command help user1 to use enable,disable,exit&etc commands?

Which command help user1 to use enable,disable,exit&etc commands?
A . catalyst1(config)#username user1 privilege 0 secret us1pass
B . catalyst1(config)#username user1 privilege 1 secret us1pass
C . catalyst1(config)#username user1 privilege 2 secret us1pass
D . catalyst1(config)#username user1 privilege 5 secret us1pass

View Answer

Answer: A

Explanation:

To understand this example, it is necessary to understand privilege levels.

By default, there are three command levels on the router:

+ privilege level 0 — Includes the disable, enable, exit, help, and logout commands.

+ privilege level 1 — Normal level on Telnet; includes all user-level commands at the router> prompt.

+ privilege level 15 — Includes all enable-level commands at the router# prompt.

Source: http://www.cisco.com/c/en/us/support/docs/security-vpn/terminal-access-controller­access-control- system-tacacs-/23383-showrun.html