What Is DNS?

Domain Name System — a distributed naming service that resolves human-readable domain names into IP addresses.

DNS across 3 exams

DNS appears on the following exams. Each defines it in the context candidates are tested on:

CCST Networking
Domain Name System — a distributed naming service that resolves human-readable domain names into IP addresses.
Network+
Domain Name System; translates human-readable domain names into IP addresses that devices use to locate each other on a network.
A+
Domain Name System — the service that resolves human-readable domain names into IP addresses.