Describe key features of content delivery networks $($CDN$).$ More than one answer may be correct.

Check All That Apply

CDNs are geographically distributed network server groups that work together to deliver web pages and other web content to users.

CDNs provide more efficient delivery of Internet and Web content because the closer the CDN server is to the user geographically, the faster the content will be delivered.

PoPs include various caching servers that assist in delivering content to website visitors within its operational proximity.

Content delivery networks are exclusively used in the United States to speed up web traffic.