Short on time before your 1V0-21.20 exam date? The VMware Associate VMware Data Center Virtualization question set from ActualCollection packs 105 practice questions into a format you can work through whenever a spare hour shows up. In 2026, plenty of busy professionals fit their prep into lunch breaks and commutes, and this material is built for exactly that.
VMware 1V0-21.20 Exam Overview:
| Certification Vendor: | VMware |
|---|---|
| Exam Name: | Associate VMware Data Center Virtualization |
| Exam Number: | 1V0-21.20 |
| Real Exam Qty: | Approximately 51 |
| Certificate Validity Period: | No expiration |
| Related Certifications: | VMware Certified Advanced Professional - Data Center Virtualization (VCAP-DCV) VMware Certified Professional - Data Center Virtualization (VCP-DCV) |
| Available Languages: | Japanese, English |
| Exam Format: | Multiple Response, Single Response, Multiple Choice |
| Exam Price: | $125 USD |
| Exam Duration: | 135 minutes |
| Passing Score: | 300 (scaled, range 100–500) |
| Recommended Training: | VMware vSphere: Install, Configure, Manage [V7] |
| Exam Registration: | Broadcom Certification Portal Pearson VUE Registration |
| Sample Questions: |  |
| Exam Way: | Online proctored or onsite testing via Pearson VUE |
| Pre Condition: | No mandatory prerequisites; recommended 6 months of hands-on experience with vSphere 6.7 or later |
| Official Syllabus URL: | https://www.broadcom.com/support/education/vmware/certification/vcta-dcv-exam |
VMware 1V0-21.20 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Administrative and Operational Tasks | - Backup and restore basics - Security policy enforcement - Managing inventory objects and permissions | |
| Topic 2: Installing, Configuring, and Setup | 26% | - Standard virtual switch configuration - ESXi and vCenter Server deployment - vSphere HA and DRS setup - Enhanced vMotion Compatibility (EVC) configuration - Role-based access control implementation - Datastore creation and configuration |
| Topic 3: Products and Solutions | 30% | - Business challenges addressed by vSphere - vSphere 7.x and core solution overview - Use cases for VMware virtualization solutions |
| Topic 4: Performance-tuning, Optimization, and Upgrades | 10% | - Monitoring resources via alarms and performance charts - vSphere upgrade considerations - Identifying and resolving performance bottlenecks |
| Topic 5: Architecture and Technologies | 12% | - vMotion, Storage vMotion, HA, DRS features - Virtualization concepts and hypervisor types - Virtual networking components and types - Storage protocols and technologies - vSphere components: ESXi, vCenter Server - Virtual machine files, snapshots, clones, templates |
| Topic 6: Troubleshooting and Repairing | - Virtual machine startup and configuration problems - Basic network and storage connectivity issues - vMotion and HA failure diagnosis | |
| Topic 7: Planning and Designing | 22% | - Network and storage design fundamentals - Virtual machine provisioning guidelines - Resource allocation and capacity considerations - High availability and disaster recovery planning |
Answers Every 1V0-21.20 Candidate Should Read First
The VMware Associate VMware Data Center Virtualization exam is the official VMware test registered under exam code 1V0-21.20. Passing it earns you the VMware Certified Technical Associate - Data Center Virtualization (VCTA-DCV) certification, a credential at the Associate level. It is also linked to the related certifications: VMware Certified Professional - Data Center Virtualization (VCP-DCV), VMware Certified Advanced Professional - Data Center Virtualization (VCAP-DCV). VMware exams are valued because they test job-ready skills, so a passing score here carries real weight on a resume.
The VMware Associate VMware Data Center Virtualization exam includes Approximately 51 questions to be completed within 135 minutes. Do the pacing math before exam day: with that many items on the clock, you need a steady rhythm and the discipline to flag a hard question and move on instead of stalling. Two or three full timed sessions with the ActualCollection test engine will show you exactly what that pace feels like, so time pressure stops being a factor on the real day.
To pass the VMware Associate VMware Data Center Virtualization exam you need 300 (scaled, range 100–500), and the official registration fee is $125 USD. A retake is not discounted: a failed attempt means paying the full $125 USD again, so treat your first sitting as the expensive one. A sensible rule is to book your seat only after you are scoring comfortably above the passing mark on the ActualCollection practice tests, not just squeaking past it once.
No mandatory prerequisites; recommended 6 months of hands-on experience with vSphere 6.7 or later
Eligibility rules do change from time to time, so confirm the current requirements before you register on the official exam page.
Registration for the VMware Associate VMware Data Center Virtualization exam goes through the official channels below.
As for the delivery format, the exam is taken Online proctored or onsite testing via Pearson VUE.
VMware points candidates toward the following training options for VMware Associate VMware Data Center Virtualization.
Course work builds the foundation; question practice makes it stick. The 105 practice questions in the ActualCollection 1V0-21.20 package let you rehearse each topic under exam-style pressure before the real thing.
Yes. ActualCollection offers a free PDF demo of the VMware Associate VMware Data Center Virtualization material so you can judge the question quality and format before spending anything. After purchase, your license includes 365 days of free updates, and if you want to keep receiving updates after that period, renewals are available at a 50% discount.
If you take the VMware Associate VMware Data Center Virtualization exam within 60 days of your purchase and do not pass, ActualCollection backs you with a 100% money-back guarantee. The claim must match the exam your product covers: attempts taken within 3 days of purchase are not eligible (that is too little preparation time), and neither are downloaded-but-unused products, free materials, or expired orders. The candidate name must match the payer name, and you need to submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer not to refund? You can swap instead and receive two other exam products of equal value for free while keeping the update service on your original purchase.
Delivery itself is instant: your files are downloadable right away and emailed to you within one minute of payment. If nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you may install the software on.
The official VMware Associate VMware Data Center Virtualization syllabus is organized into 7 domains. Key areas include Products and Solutions (30%), Troubleshooting and Repairing, and Architecture and Technologies (12%). The complete, up-to-date topic list appears in the exam topics section above; work through it line by line and flag anything you cannot yet explain in your own words.
VMware Associate VMware Data Center Virtualization Sample Questions:
Question 1
Which problem is solved by migrating virtual machines (VMs) using vSphere vMotion?
A. Heavy storage traffic and latency that are concentrated in a few datastores.
B. The names of the VM files that do not match the inventory name of the VM.
C. A problem that occurred during VM patching and a roll-back is needed.
D. A vSphere cluster that needs to be upgraded without any VM downtime.
Question 2
Which virtual machine (VM) problem is solved using vSphere Storage
vmotion?
A. The ESXi host on which a VM is running requires to enter
maintenance mode.
B. The vSphere Client shows that a VM needs to be consolidated.
C. VMs are running on one ESXi host that presents high CPU resource
contention.
D. The storage array on which a VM is running requires to enter
maintenance mode.
Question 3
Which hardware is required to support Fibre Channel storage?
A. HBA
B. NIC
C. CNA
D. ISCSI adapter
Question 4
An administrator must ensure that virtual machines have their initial placement performed automatically and that migration recommendations are displayed but not applied.
Which vSphere DRS Automation Level should the administrator use?
A. Partially Automated
B. Manual
C. Fully Automated
D. Aggressive
Question 5
Which storage protocol is supported by vSphere?
A. SMB
B. CIFS
C. FTP
D. NFS
Solutions:
| Question 1 Answer: B | Question 2 Answer: D | Question 3 Answer: A | Question 4 Answer: A | Question 5 Answer: D |
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