How is Anonymous checkout enabled?

How is Anonymous checkout enabled?
A . By creating a global configuration setting called AnonChk and setting the value to enabled for the Checkout Module.
B . By setting the status on a Product to Released.
C . By going to CC ADMIN I Global settings | Settings and selecting "Allow anonymous checkout".
D . By going to CC ADMIN | storefront name | Checkout Settings and selecting "Allow anonymous checkout"

Answer: D

Explanation:

To enable anonymous checkout, you must go to CC ADMIN | storefront name | Checkout Settings and select the Allow anonymous checkout checkbox. This will allow customers to checkout without creating an account.

Reference:

Salesforce B2B Commerce Administrator Trailhead module:

https://trailhead.salesforce.com/content/learn/modules/b2b-commerce-basics