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1V0-21.20 Exam Questions & Answers

Associate VMware Data Center Virtualization  •  VMware

103 Questions 90 min Updated Sep 2026 99% Pass Rate
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Sample 1V0-21.20 Questions

Practice with real exam-style questions, each with the verified correct answer and explanation.

Q1 MultipleChoice

A vSphere administrator has migrated a virtual machine between two ESXi hosts using vSphere vMotion and notices that the VM can no longer be pinged.

What caused this situation?

Correct Answer: D
Q2 MultipleChoice

Which feature provides a mechanism for a virtual machine to revert to

a previous configuration state?

Correct Answer: C
Q3 MultipleChoice

Which two storage protocols can a virtual infrastructure operator use to create a VMFS datastore? (Choose two.)

Correct Answer: A, C
Q4 MultipleChoice

What does it mean if a virtual machine (VM) has a high RDS score?

Correct Answer: A
Q5 MultipleChoice

A VMware administrator monitoring a project has been advised to run

the compute health check using the vSphere 7 client to monitor the ESXi

hosts health.

How should the administrator approach this task?

Correct Answer: B

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Frequently Asked Questions

The exam covers core virtualization concepts including vSphere architecture, virtual machines, networking, storage, resource management, and security. It also includes hands-on knowledge of vCenter Server, ESXi hosts, and basic troubleshooting of VMware environments.

The exam is 130 minutes long and contains approximately 65-70 multiple-choice and drag-and-drop questions. You need to complete all questions within the time limit to receive a score.

The passing score for the 1V0-21.20 exam is 300 out of 500 points, which typically translates to approximately 60% correct answers. VMware does not publicly disclose the exact percentage due to question weighting variations.

VMware recommends having foundational knowledge of data center concepts and ideally 6-12 months of hands-on experience with vSphere environments. However, there are no formal prerequisites, and the exam is designed as an entry-level certification for IT professionals new to VMware virtualization.

VMware offers official training courses, practice exams, study guides, and documentation through their learning platform. Additionally, hands-on lab experience with vSphere, community forums, and third-party study materials can help reinforce your understanding of the exam objectives.
Exam Details
  • Exam Code1V0-21.20
  • VendorVMware
  • Total Questions103
  • Duration90 min
  • LanguageEnglish
  • Last UpdatedSep 4, 2026
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