Which tool should you use?

You have an Active Directory domain named contoso.com.
You need to view the account lockout threshold and duration for the domain.
Which tool should you use?
A. Net User
B. Active Directory Users and Computers
C. Group Policy Management Console (GPMC)
D. Computer Management

Correct Answer: C
Explanation/Reference:
Same question as K/Q12. For K/Q12 I thought there was only one option, but here there are two correct answers:
B ("Active Directory Users and Computers")
C ("Group Policy Management Console (GPMC)")

Am I missing something? Which is the "right" one? You tell me.