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CISSP study material · question 221 of 500

An auditor argues a cloud cannot be private because the hardware is owned and operated by an outside supplier in the supplier's own datacentre. What does the NIST definition say?

  1. A private cloud must sit on the consuming organisation's premises.
  2. A private cloud is defined by exclusive use by one organisation; it may be owned, managed and hosted by a third party off premises.
  3. A private cloud is defined by having no shared physical resources at any layer.
  4. A private cloud must be owned and operated by the consuming organisation.
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Answer: B. A private cloud is defined by exclusive use by one organisation; it may be owned, managed and hosted by a third party off premises.

Exclusive use by one organisation is what makes a cloud private. It may be owned and run by a third party and sit off the premises.

Source: NIST SP 800-145 (NIST) — SP 800-145 > Deployment Models

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