Which new vSphere feature has the following key features?

Disk-based backup and recovery

Data de-duplication
File level full and incremental backup
VSS support
Image level and individual file restore

A.
vSphere Hot Add

B.
vSphere Data Recovery

C.
vSphere vSheild Zones

D.
vSphere VCB

Explanation:
The following is a list of the key features of VMware Data Recovery.
Fast Backup and Restore
Disk-based backup and recovery. Utilizes disk based storage to enable speedy recovery of your virtual machines.
Full and incremental backup of virtual machine. Save incremental changes and enable an efficient backup window.
Image level and individual file restore. Recover entire virtual machine image in the event of a disaster (for virtual machines running any operating system) and recover individual files and directories (for virtual machines running Microsoft Windows operating system). Individual file restore is currently an experimental feature. VSS support. Supports Volume Shadow Copy Service (VSS) to enable consistent backups of virtual machines running Microsoft operating systems and applications.