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What does FQDN stand for in the context of DNS?

  1. Fully Qualified Domain Name

  2. Fast Query Domain Name

  3. Fully Qualified Data Network

  4. Fast Quality Domain Name

The correct answer is: Fully Qualified Domain Name

FQDN stands for Fully Qualified Domain Name, which is a complete domain name that specifies its exact location in the domain name system (DNS) hierarchy. It specifies both the host and the domain name, providing a unique identifier for a specific resource, such as a web server or email server, on the Internet. The structure of an FQDN includes the hostname and the domain, separated by a dot. For example, in the FQDN "www.example.com," "www" is the hostname, and "example.com" is the domain. This complete designation is essential for resolving network addresses and ensuring the accurate routing of internet traffic. Other terms like Fast Query Domain Name or Fast Quality Domain Name do not accurately reflect the standard terminology used in the context of DNS. Similarly, Fully Qualified Data Network does not conform to recognized definitions within networking. Therefore, recognizing FQDN as Fully Qualified Domain Name is fundamental for understanding domain resolution and how resources are organized within the Internet's infrastructure.