To publish your site online you need?

To publish your site online, having a domain name and a hosting service is essential. The domain name serves as your website's address on the internet, allowing users to find and access your site easily. For example, a domain name like www.example.com is what users type into their browser to visit your site.

On the other hand, a hosting service stores your website's files and makes them accessible on the internet. This is akin to renting space on a server where your website's content (HTML, CSS, images, etc.) resides. Without a hosting service, the files would simply exist on your local machine and would not be publicly available.

While having an account through work or school, a client, or an internet connection may be beneficial for various tasks related to web development, they are not the core requirements for making a website accessible to the general public. The combination of a domain name and hosting service directly enables the website to be live on the internet, making it the correct choice for this question.