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VMware HCI Master Specialist : 5V0-21.20

5V0-21.20

Exam Code: 5V0-21.20

Exam Name: VMware HCI Master Specialist

Updated: Jul 20, 2026

Q & A: 77 Questions and Answers

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  • Step 1: Visit VMware Exam Registration
  • Step 2: Sign up/log in to VMware account
  • Step 3: Select a local center based on your country, date, time, and confirm with a payment method.

Reference: https://www.vmware.com/education-services/certification/vmware-ms-hci-exam.html

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Topics of 5V0-21.20: VMware HCI Master Specialist Exam

Candidates must know the exam topics before they start preparation. Because it will help them in hitting the core. Our 5V0-21.20 exam dumps will include the following topics:

Section 1 - Architecture and Technologies Section 2 - VMware Products and Solutions

  • Objective 2.2 - Deploy vRealize Operations with vSAN
  • Objective 2 1 - Configure vSphere replication (effects of storage policies)

Section 3 - Planning and Designing

  • Objective 3 3 - Use vSAN design and sizing tools (sizing cache tier for workload; no of nodes, VM sizing, Live Optics, HCI Bench, etc.
  • Objective 3 2 - Design a vSAN cluster (availability, capacity tier; failure to tolerate; etc.)
  • Objective 3.1- Define and demonstrate vSAN design considerations (policies; fault domains; disc groups; kernel traffic; VCG; networking etc.)

Section 4 - Installing, Configuring, and Setup

  • Objective 4.5 - Configure Cloud-Native storage (CNS) with appropriate policies (Ensure container volumes are mapped to correct policies, datastore and are compliant)
  • Objective 4.4 - Configure vSAN stretched cluster and 2-node configurations
  • Objective 4.2 - Create and manage disk groups
  • Objective 4 1 - Configure and validate a vSAN configuration (networking vSAN Health; Cluster QuickStart, fault domains)
  • Objective 4.3 - Configure and validate vSAN services (iSCSI Target service, vSAN Encryption; vSAN fault domains; Health Service; dedupe/compression, etc.)

Section 5 - Performance-tuning, Optimization, Upgrades

  • Objective 5.5 - Evaluate the use case and apply the appropriate maintenance mode option.
  • Objective 5.8 - Set VUM baseline preferences
  • Objective 5.2 - Apply patches using vSphere Update Manager (VUM) Objective 5.3 - Upgrade an HCI environment using VUM (Air Gap environments)
  • Objective 5.1 - Determine upgrade requirements
  • Objective 5.7 - Manage firmware and driver versions using vSAN Health, VUM, and Compatibility Guide
  • Objective 5.4 - Add and remove hosts from a cluster (capacity: compute, storage, etc.)
  • Objective 5.6 - Create, expand, reconfigure, and remove disk groups

Section 6 - Troubleshooting and Repairing

  • Objective 6.7 - Identify and remove unassociated objects to reclaim capacity
  • Objective 6.4 - Evaluate performance information in the UI and using stop
  • Objective 6.8 - Resolve capacity issues using storage policies (Proper way to return to a healthy capacity How to free capacity when an out-of-capacity situation, Capacity behavior best practices vs version-specific)
  • Objective 6.3 - Determine vSAN Health using the vSphere Host Client, ESXCLI
  • Objective 6.1- Identify failure scenarios (firmware and hardware compatibility; ESXi host failure; disk, hardware, network failures; vSAN failure recovery; DDH, etc.)
  • Objective 6.2 - Interpret vSAN Health warnings (disk rebalance; congestion; hardware compatibility; object states etc.)
  • Objective 6.9 - Resolve object compliance issues
  • Objective 6.5 - Manage hardware replacement (device failure; disk replacement; replace a host} Objective 6.6 - Monitor resync impact

Section 7 - Administrative and Operational Tasks

  • Objective 7.5 - Interpret Health Check (actioning alerts, resolving alerts, configuring on-line Health; evaluate vSAN object health.)
  • Objective 7.1 - Describe vSAN data placement changes (stretched clusters, fault domains)
  • Objective 7.7 - Identify cluster configuration inconsistency and remediate through health check (Initiate remediation workflow from Health check)
  • Objective 7.6 - Identify the impact of policy changes (capacity, fault tolerance, IOPS limit)
  • Objective 7.3 - Describe the effects of maintenance mode options (UI and CLI, new features and functionality)
  • Objective 7 2 - Evaluate vSAN performance metrics (IOPS, congestion, latency, throughput, vsantop, resync)
  • Objective 7.4 - Monitor storage Policy compliance

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VMware 5V0-21.20 Exam Syllabus Topics:

SectionObjectives
VMware HCI Concepts- Hyper-Converged Infrastructure architecture
  • 1. Compute and storage convergence concepts
    • 2. HCI design principles
      VMware vSAN- vSAN architecture and components
      • 1. Storage policies and object management
        • 2. Deduplication and compression
          Lifecycle Management- Upgrades and patching
          • 1. vSAN cluster upgrades
            • 2. Lifecycle Manager usage
              Troubleshooting and Operations- Performance and health monitoring
              • 1. vSAN health checks
                • 2. Log analysis and diagnostics
                  VMware vSphere Integration- Cluster configuration and management
                  • 1. vCenter Server operations
                    • 2. ESXi host configuration
                      Related Certifications
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                      VMware Certified Master Specialist
                      VMware Specialist - Cloud Provider 2021
                      VCTA-AM 2021
                      VMware Certified Specialist - vSAN 2023
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