CDN with custom domains in Azure - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a CDN and why is it used?

A CDN (Content Delivery Network) is a system of servers distributed globally to deliver web content quickly to users by caching content closer to their location. It reduces latency and improves load times.

beginner

What does a custom domain mean in the context of a CDN?

A custom domain is a user-owned domain name (like www.example.com) that is linked to the CDN endpoint so users access content via a familiar URL instead of the default CDN URL.

intermediate

How do you configure a custom domain with Azure CDN?

You create a CDN endpoint, then add your custom domain to it. You verify domain ownership by creating a DNS CNAME record pointing your domain to the CDN endpoint hostname.

intermediate

Why is HTTPS important for custom domains on a CDN and how is it enabled in Azure?

HTTPS secures data between users and CDN. Azure CDN supports HTTPS for custom domains by enabling Azure-managed certificates or uploading your own SSL certificate.

beginner

What is the role of DNS CNAME records in setting up a custom domain for a CDN?

A CNAME record maps your custom domain to the CDN endpoint hostname. This tells browsers to fetch content from the CDN when users visit your domain.

What is the first step to use a custom domain with Azure CDN?

A Enable HTTPS

B Buy a new domain

C Create a CDN endpoint

D Upload SSL certificate

You must first create a CDN endpoint before linking a custom domain.

Which DNS record type is used to link a custom domain to an Azure CDN endpoint?

A CNAME record

B MX record

C A record

D TXT record

CNAME records map your custom domain to the CDN endpoint hostname.

How does Azure CDN provide HTTPS for custom domains by default?

A Azure-managed SSL certificates

B User must upload certificates

C HTTPS is not supported

D Use third-party CDN

Azure CDN can automatically manage SSL certificates for custom domains.

What benefit does a CDN provide when using a custom domain?

A Database management

B Faster content delivery

C Domain registration

D Email hosting

CDNs speed up content delivery by caching content closer to users.

What must you verify to add a custom domain to Azure CDN?

A Azure subscription type

B SSL certificate validity

C User login credentials

D Domain ownership

You verify domain ownership by creating a DNS record pointing to the CDN.

Explain the process of setting up a custom domain with Azure CDN from start to finish.

Think about the steps involving Azure portal and DNS settings.

Why is HTTPS important for custom domains on a CDN and how does Azure simplify enabling it?

Consider user trust and ease of management.