CompTIA Network+ Practice Test

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Prepare for the CompTIA Network+ Exam. Utilize interactive quizzes and multiple-choice questions with explanations. Boost your readiness and achieve exam success now!

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What does FQDN stand for?

Fully Qualified Digital Name
Functionally Qualified Domain Name
Fast Query Domain Name
Fully Qualified Domain Name

The correct answer is: Fully Qualified Domain Name

FQDN stands for Fully Qualified Domain Name. This term is used in network configuration to refer to a complete domain name that specifies the exact location of a resource within the Domain Name System (DNS) hierarchy. An FQDN provides both the hostname and the domain name, ensuring that it uniquely identifies a host in the context of the internet. The significance of having a fully qualified name is that it removes any ambiguity in identifying the host. For example, in the FQDN "www.example.com," "www" is the hostname, while "example.com" represents the domain, with ".com" being the top-level domain. This full specification allows devices across the internet to correctly route the necessary data to the appropriate destination without confusion. In contrast, the other choices present variations of the term that are incorrect and do not accurately represent what FQDN signifies in networking contexts. Understanding the correct definition of FQDN is crucial for tasks related to internet operations, domain name resolution, and network management.