According to the Domain Name System (DNS), which of the following is a subdomain of the domain example.com?about.example.comexample.com/homeexample.com.orgexample.org

The subdomain of the domain example.com according to the Domain Name System (DNS) is about.example.com.

Here's why:

1. A subdomain is a domain that is part of a larger domain. It's basically an additional part to your domain name. Subdomains are created to organize and navigate to different sections of your website.

2. In the given options, about.example.com is a subdomain. It is a part of the main domain example.com.

3. example.com/home is not a subdomain, but a directory of example.com.

4. example.com.org is a different domain, not a subdomain of example.com.

5. example.org is also a different domain, not a subdomain of example.com.