Title: Describe the concept of IP addresses and the Domain Name System (DNS).
Course: Information Technology Fundamentals (10254) > Section: Exploring Internet Fundamentals

Description may include

- information about why IP addresses are needed and an example of an IP address in a required format
- DNS—the three main components
- resolvers—pass name requests between applications and servers
- name servers—resolve computer or domain names to IP addresses
- domain namespace—a hierarchical grouping of names in various structures (i.e., root-level domains, top-level domains, second-level domains, and host names)
- an example of a domain name with labels for each of the three components (i.e., server/host name, registered company domain name, and domain category)
- a list of the most common top-level domains (i.e., .com, .edu, .gov, .mil, .org, and .net).