Alibaba Cloud Content Delivery Network (CDN) is a distributed network that is built and overlaid...

To use Alibaba Cloud CDN, you must add your domain to the "CDN Domain Name List" and then modify the domain’s DNS settings to point to the CNAME provided by Alibaba Cloud. Manual cache refresh (option A) is optional and not a necessary step for initial setup, and while monitoring is useful, it is not required for CDN operation, so option D is also not essential.