Commonly confused

DNS vs CDN

DNS resolves names. A CDN caches content near users and often works with DNS for steering.

DNS

DNS, or Domain Name System, is the internet's phone book, translating human-readable domain names like www.example.com into machine-readable IP addresses such as 192.0.2.1. This distributed naming system makes navigating the internet possible by mapping names to numerical.

DNS is the internet's phone book, translating domain names into IP addresses, making online navigation possible.

Full PathTerms™ definition

CDN

A Content Delivery Network CDN is a geographically distributed group of servers that work together to provide fast delivery of Internet content. CDNs cache content, such as web pages, images, and videos, closer to end users, reducing latency and improving load times. They.

A CDN is a network of distributed servers that caches content to speed up delivery to users globally.

Full PathTerms™ definition

Why it matters

People mix up DNS and CDN in exam questions and job posts. Knowing the difference helps you pick the right control, process, or architecture choice.

How to remember the difference

DNS resolves names. A CDN caches content near users and often works with DNS for steering.

Related exam lists

Study both terms