How does virtualization help with disaster recovery within a data center?
- support of live migration
- guarantee of power
- improvement of business practices
- supply of consistent air flow
Explanation: Live migration allows moving of one virtual server to another virtual server that could be in a different location that is some distance from the original data center.
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Case 2:
- Less energy is consumed.
- Server provisioning is faster.
- Hardware at the recovery site does not have to be identical to production equipment.
- Power is always provided.
Case 3:
- Hardware does not have to be identical.
- Server provisioning is faster.
- Less energy is consumed.
- Power is always provided.
Explanation: Improved disaster recovery - Virtualization offers advanced business continuity solutions. It provides hardware abstraction capability so that the recovery site no longer needs to have hardware that is identical to the hardware in the production environment. Most enterprise server virtualization platforms also have software that can help test and automate the failover before a disaster does happen.
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