I/We believe unlimited storage and bandwidth is a real thing and we can host unlimited number of websites on a single server.
I/We do not know what is a subdomain/ DNS manager and have never heard of NS servers.
I/We can manually install plugin and themes on a WordPress site using ftp/sftp and can also take manual backups and restore them.
I/We understand different layers of caching in WordPress and also understand how Firewall and a CDN network works.
I/We can install WordPress on a local machine and can make use of SSH root access. I/We can also use WP CLI.
I/We know and understand GIT version control and can generate public/private SSH keys.