Category: Computer Science | Last updated: 2026-09-18

Which of the following best describes the function of a "Domain Name System" (DNS) on the internet?

A) To provide physical connections between computer networks.
B) To translate human-readable domain names into numerical IP addresses.
C) To encrypt data traffic between a user and a website.
D) To host website content and serve it to users.

Explanation

The DNS acts like the internet's phonebook, translating the human-friendly domain names (like 'example.com') into the numerical IP addresses (like '192.0.2.1') that computers use to locate and connect to each other on the network.

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