Hi. I am a webmaster, and want to backup my data through cpanel. i want to send the backup package to my ftp account in drivehq.

how can I find this information about my account?

You can logon www.drivehq.com website and go to My Account pages to find more info about your account. 

For FTP service, please visit:

http://www.drivehq.com/ftp/ (click on FAQ and Expand All)

1- whitch one should I use? remote ftp server OR remote ftp server secure?!

You can try Remote FTP server first; if it works, you can also try FTP over SSL.

2- port?

The regular FTP port is 21

3- Remote Server? is it ftp.drivehq.com ? or something else?