Explanation/Reference:
Explanation:
A: The Azure Content Delivery Network (CDN) offers developers a global solution for delivering high- bandwidth content by caching blobs and static content of compute instances at physical nodes in the United States, Europe, Asia, Australia and South America.
The benefits of using CDN to cache Azure data include:
Better performance and user experience for end users who are far from a content source, and are

using applications where many 'internet trips' are required to load content Large distributed scale to better handle instantaneous high load, say, at the start of an event such as a

product launch
D: There are two ways to map your custom domain to a CDN endpoint.
1. Create a CNAME record with your domain registrar and map your custom domain and subdomain to the CDN endpoint
2. Add an intermediate registration step with Azure cdnverify
References:
https://docs.microsoft.com/en-us/azure/architecture/best-practices/cdn