What is the primary function of a domain name in a website?

• A. To store website content
• B. To identify the website's IP address
• C. To define the website's design
• D. To enhance website speed

Answer: (B)

The primary function of a domain name is to identify the website's IP address. A domain name serves as a human-readable address that allows users to easily access a website without having to remember a numerical IP address. While computers and the internet use IP addresses to locate one another, domain names translate these numbers into a more understandable format for users. This system, known as the Domain Name System (DNS), resolves the domain name into the corresponding IP address, enabling web browsers to connect to the correct server hosting the website.

In contrast, a domain name does not store website content, as that is the role of web servers and databases where the site's files are located. It also does not define the website's design, which relates to HTML, CSS, and other design elements created by developers. Enhancing website speed is influenced by other factors, such as server performance and content optimization, rather than the domain name itself.