Final answer:
Availability Zones can indeed be used to protect managed disks from a datacenter failure.
Step-by-step explanation:
The statement in the question, 'You can use Availability Zones to protect managed disks from a datacenter failure', is TRUE. Availability Zones are a feature in cloud computing platforms like Azure that provide high availability and resiliency to applications and infrastructure. By placing managed disks in different availability zones, you can ensure that your data remains accessible even if one zone or datacenter fails. This helps protect against data loss and downtime.