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What does a domain name translate to for computers to communicate effectively on the internet?

  1. Binary code

  2. IP address

  3. Encryption keys

  4. Session identifiers

The correct answer is: IP address

A domain name translates to an IP address, which is essential for computers to communicate effectively on the internet. The domain name serves as a human-readable identifier that makes it easier for users to access websites. However, computers do not understand domain names; instead, they rely on numeric IP addresses to locate each other and exchange data. When a user types a domain name into their web browser, the browser uses the Domain Name System (DNS) to resolve that name into its corresponding IP address. This process allows the computer to know exactly where to send requests for data, enabling the communication necessary to load the desired web page or resource. In essence, the ability to link a memorable domain name to a numerical IP address is fundamental to how the internet operates, facilitating user access while maintaining the efficiency of computer communications.