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Multiple Choice

What service is provided by DNS?

The service provided by DNS (Domain Name System) is to translate domain names into IP addresses, allowing for the proper routing of internet traffic. When a user types a web address into a browser, such as www.example.com, the DNS translates that human-readable domain name into a numerical IP address like 192.0.2.1. This process is crucial because the internet operates on IP addresses, which identify specific devices and servers, while domain names are easier for users to remember and use. As a result, without DNS, users would need to memorize the numeric IP addresses of every website they wish to visit, which would be impractical. DNS acts as a phonebook for the internet, facilitating easier navigation and access to online resources. The other choices pertain to different functions unrelated to DNS. For instance, resolving email addresses into user identities involves email services, while encrypting data packets relates to security protocols like SSL/TLS. Managing traffic between routers is a function of routing protocols, ensuring efficient data packet delivery through the network. Thus, DNS's primary role is the translation of domain names to IP addresses, which makes the correct answer clear.

The service provided by DNS (Domain Name System) is to translate domain names into IP addresses, allowing for the proper routing of internet traffic. When a user types a web address into a browser, such as www.example.com, the DNS translates that human-readable domain name into a numerical IP address like 192.0.2.1. This process is crucial because the internet operates on IP addresses, which identify specific devices and servers, while domain names are easier for users to remember and use.

As a result, without DNS, users would need to memorize the numeric IP addresses of every website they wish to visit, which would be impractical. DNS acts as a phonebook for the internet, facilitating easier navigation and access to online resources.

The other choices pertain to different functions unrelated to DNS. For instance, resolving email addresses into user identities involves email services, while encrypting data packets relates to security protocols like SSL/TLS. Managing traffic between routers is a function of routing protocols, ensuring efficient data packet delivery through the network. Thus, DNS's primary role is the translation of domain names to IP addresses, which makes the correct answer clear.