Which of the following descriptions about OpenStack is wrong?

Question

Options

• AThe underlying virtualization resources are managed through the coordination of various
• BOpenStack is an open source cloud platform operating system
• CVirtualization resources can be allocated and scheduled according to user needs, and allocated to
• DOpenStack can independently implement resource access and abstraction without relying on the

• A
  14% (6)
• B
  5% (2)
• C
  7% (3)
• D
  74% (31)

Explanation

Option D is the incorrect description because OpenStack cannot operate independently - it relies on underlying hypervisor technologies (such as KVM, VMware, or Xen) to actually implement resource virtualization, access, and abstraction; it is a management and orchestration layer, not a self-contained virtualization engine.

Options A, B, and C are all accurate: OpenStack genuinely is an open-source cloud platform OS (B), it does coordinate multiple components (Nova, Neutron, Cinder, etc.) to manage virtualization resources (A), and it does enable dynamic allocation and scheduling of those resources based on user demand (C).

Memory tip: Think of OpenStack as a conductor, not an orchestra - it coordinates and abstracts the musicians (hypervisors, storage, networking), but it cannot make music on its own. Any answer claiming OpenStack is self-sufficient or independent of underlying infrastructure is a red flag on the exam.

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