Yes, you can upload your website using FTP protocol. The hostname (also called destination address / target address / ftp address, etc.) for your account is always ftp.yourdomain.com or the IP address (looks like this: "184.108.40.206")
Please note that ftp.yourdomain.com will not work before you have changed the nameservers of your domain name to ours. To connect please use the username and password you received in your account information email. The directory that you should upload your HTML files (the web pages) to is the "public_html" or "www".
The directory that you should upload your cgi-scripts to is /yourdomain.com/cgi-bin/.
If you need any further assistance please don't hesitate to contact our 24x7 Support Department at email@example.com or Live Chat from www.netshop-isp.com.cy.