You can create a full website backup via the control panel (cPanel) tool. You can do this by navigating to the cPanel 'Backup Wizard' page, and this page provides the functionality to backup the website.
Hosting Account->Manage->cPanel(quick links)->Files->Backup Wizard
Then press the ‘Backup ->’ button; then press the ‘Full Backup ->’ button
Enters the Backup Destination and then press the ‘Generate Backup’ button.
Click to link to view video that demonstrates how to create a backup.