Are penetration tests allowed as long as they are limited to the customer's instances?

Are penetration tests allowed as long as they are limited to the customer’s instances?

Are penetration tests allowed as long as they are limited to the customer’s instances?
A . Yes, they are allowed but only for selected regions.
B . No, they are never allowed.
C . Yes, they are allowed without any permission.
D . Yes, they are allowed but only with approval.

Answer: D

Explanation:

Penetration tests are allowed after obtaining permission from AWS to perform them.

Reference: http://aws.amazon.com/security/penetration-testing/