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

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 3.1- Define and demonstrate vSAN design considerations (policies; fault domains; disc groups; kernel traffic; VCG; networking etc.)
• 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.)

Section 4 - Installing, Configuring, and Setup

• Objective 4.2 - Create and manage disk groups
• Objective 4.4 - Configure vSAN stretched cluster and 2-node configurations
• Objective 4.3 - Configure and validate vSAN services (iSCSI Target service, vSAN Encryption; vSAN fault domains; Health Service; dedupe/compression, etc.)
• 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 1 - Configure and validate a vSAN configuration (networking vSAN Health; Cluster QuickStart, fault domains)

Section 5 - Performance-tuning, Optimization, Upgrades

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

Section 6 - Troubleshooting and Repairing

• Objective 6.7 - Identify and remove unassociated objects to reclaim capacity
• 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 6.4 - Evaluate performance information in the UI and using stop
• Objective 6.5 - Manage hardware replacement (device failure; disk replacement; replace a host} Objective 6.6 - Monitor resync impact
• Objective 6.1- Identify failure scenarios (firmware and hardware compatibility; ESXi host failure; disk, hardware, network failures; vSAN failure recovery; DDH, etc.)
• Objective 6.9 - Resolve object compliance issues
• Objective 6.3 - Determine vSAN Health using the vSphere Host Client, ESXCLI
• Objective 6.2 - Interpret vSAN Health warnings (disk rebalance; congestion; hardware compatibility; object states etc.)

Section 7 - Administrative and Operational Tasks

• Objective 7.4 - Monitor storage Policy compliance
• Objective 7.3 - Describe the effects of maintenance mode options (UI and CLI, new features and functionality)
• 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 2 - Evaluate vSAN performance metrics (IOPS, congestion, latency, throughput, vsantop, resync)
• 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)