What is a primary drawback of configuring DNS records with a very high Time To Live (TTL) value?
Question 2
How does DNS Anycast improve global DNS resolution performance?
Question 3
Which DNS record type or mechanism allows an apex (root) domain to functionally point to another hostname similar to a CNAME without violating zone apex restrictions?
Question 4
In a pull-based CDN caching strategy, when does an edge server fetch content from the origin?
Question 5
What is the primary function of the HTTP Vary response header in CDN caching?
