DNS Full Form in Internet Technology

The question asks for the meaning of the acronym DNS, which is commonly used in Internet technology.

Understanding DNS

DNS stands for Domain Name System. Its primary role is to translate human-readable domain names (like $www.google.com$) into machine-readable IP addresses (like $172.217.160.142$). This process is essential for navigating the internet.

• The system works like a phonebook for the internet.
• It allows users to access websites using easy-to-remember names instead of complex numerical IP addresses.

Identifying the Correct Option

Based on the definition:

• Option 1: Divided Name System - Incorrect.
• Option 2: Dynamic Name System - Incorrect.
• Option 3: Domain Name System - Correct.
• Option 4: Distributed Name system - Incorrect.

Therefore, the correct expansion of DNS is Domain Name System.