Which of the following descriptions of content delivery network (CDN) services is wrong?

Which of the following descriptions of content delivery network (CDN) services is wrong?
A . CDN services must be resolved through public domain names, so you need to apply for a domain name before you can use CDN normally.
B . CDN service can shorten the access delay of users to view content, improve the response speed of users accessing websites and the availability of websites.
C . CDN service distributes the source site content to all CDN nodes by deploying node servers in various locations on the network, so that users can get the required content nearby.
D . CDN service has the characteristics of simple access, rich and easy-to-use self-service configuration of the console, and open API interface.

View Answer

Answer: A