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VMware Certified Master Specialist 5V0-21.21

5V0-21.21

Exam Code: 5V0-21.21

Exam Name: VMware HCI Master Specialist

Updated: Sep 12, 2026

Q&A Number: 68 Q&As

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About VMware 5V0-21.21 Exam Braindumps

Getcertkey offers 5V0-21.21 exam preparation in three flexible formats: a printable PDF for study anywhere, a desktop test engine for realistic offline practice, and an online test engine that runs in any browser. However you prefer to prepare, the VMware HCI Master Specialist material fits your routine.

VMware 5V0-21.21 Exam Overview:

Certification Vendor:VMware
Exam Name:VMware HCI Master Specialist 5V0-21.21
Exam Number:5V0-21.21
Passing Score:300 (scaled)
Real Exam Qty:Approximately 65 (varies by update)
Related Certifications:VMware Certified Master Specialist Certifications
Exam Price:USD 250 (typical VMware Master Specialist exam pricing)
Exam Duration:130 minutes
Exam Format:Multiple Choice, Multiple Select, Proctored Exam
Available Languages:English
Recommended Training:VMware vSAN Training Courses
VMware HCI and vSphere Learning Path
Exam Registration:Pearson VUE VMware Exams
VMware Certification Portal
Sample Questions:Free Download 5V0-21.21 Demo
Exam Way:Proctored online or authorized testing center (Pearson VUE)
Pre Condition:Recommended experience with VMware vSphere and vSAN technologies; prior VMware certification is often suggested but not strictly required.
Official Syllabus URL:https://www.vmware.com/education-services/certification.html

VMware 5V0-21.21 Exam Syllabus Topics:

SectionObjectives
Topic 1: Operations and Troubleshooting- Issue Resolution
  • 1. Storage and network troubleshooting
    • 2. Cluster health diagnostics
      - Performance Monitoring
      • 1. Resource utilization analysis
        • 2. vSAN performance metrics
          Topic 2: Deployment and Configuration- vSAN Cluster Setup
          • 1. Initial cluster configuration
            • 2. Network configuration for HCI
              - Lifecycle Management
              • 1. vSphere Lifecycle Manager usage
                • 2. Upgrade and patch management
                  Topic 3: VMware HCI Architecture and Design- VMware vSphere and vSAN Integration
                  • 1. Compute and storage resource management
                    • 2. Storage policies and policy-based management
                      - Hyper-Converged Infrastructure (HCI) Concepts
                      • 1. Cluster design considerations
                        • 2. vSAN architecture overview

                          Common Questions About the VMware 5V0-21.21 Exam

                          What is the VMware HCI Master Specialist exam all about?

                          The 5V0-21.21 exam is the official VMware exam behind the VMware Certified Master Specialist certification, validating the skills measured by the VMware HCI Master Specialist credential. It sits at the Expert level of the VMware certification program. It also connects to VMware Certified Master Specialist Certifications, so the knowledge you build here carries over to those tracks as well.

                          How many questions are on the 5V0-21.21 exam, and how much time do I get?

                          The 5V0-21.21 exam contains Approximately 65 (varies by update) questions to be completed within 130 minutes. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.

                          What score do I need to pass the 5V0-21.21 exam, and what does it cost?

                          The passing score for the 5V0-21.21 exam is 300 (scaled), and the official registration fee is USD 250 (typical VMware Master Specialist exam pricing). Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 68 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.

                          Are there any prerequisites for the 5V0-21.21 exam?

                          Recommended experience with VMware vSphere and vSAN technologies; prior VMware certification is often suggested but not strictly required. Requirements can change when VMware revises its certification program, so confirm the current eligibility rules on the official exam page before you register.

                          How do I register for the 5V0-21.21 exam?

                          You can book the VMware HCI Master Specialist exam through the official registration channels below:

                          As for delivery, the exam is offered in the following format: Proctored online or authorized testing center (Pearson VUE). Choose the option that suits you best when you book your seat.

                          What official training is recommended for the 5V0-21.21 exam?

                          VMware recommends the following training resources for the VMware HCI Master Specialist exam:

                          Official courses build the foundation; the 68 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.

                          Can I try the 5V0-21.21 practice questions before I buy?

                          Yes. Getcertkey provides a free 5V0-21.21 PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if VMware revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.

                          What if I fail the 5V0-21.21 exam, and how is my order delivered?

                          Every VMware HCI Master Specialist purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.

                          Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.

                          What topics are covered in the 5V0-21.21 exam?

                          The VMware HCI Master Specialist exam blueprint is organized into 3 domains. The first three are:

                          • VMware HCI Architecture and Design
                          • Deployment and Configuration
                          • Operations and Troubleshooting

                          For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.

                          VMware HCI Master Specialist Sample Questions:

                          Question #1
                          An administrator is tasked with setting up Kerberos authentication only for the vSAN File services.
                          Which version of Kerberos must be selected if the NFS version is v4.1?

                          A. krb4
                          B. krb5p
                          C. krb5
                          D. krb5i


                          Question #2
                          A company hosts a vSAN 7 stretched cluster for all development workloads. The original sizing of a maximum of 250 concurrent workloads in the vSAN cluster is no longer sufficient and needs to increase to at least 500 concurrent workloads within the next six months.
                          To meet this demand, the original 8-node (4-4-1) cluster has recently been expanded to 16 nodes (8-8-1).
                          Which three additional steps should the administrator take to support the current growth plans while minimizing the amount of resources required at the witness site? (Choose three.)

                          A. Add the new vSAN witness appliance to vCenter Server.
                          B. Configure the new vSAN witness as a shared witness appliance.
                          C. Deploy a new extra large vSAN witness appliance at the witness site.
                          D. Deploy a new large vSAN witness appliance at the witness site.
                          E. Upgrade the vSAN stretched cluster to vSAN 7.0 U1.
                          F. Configure the vSAN stretched cluster to use the new vSAN witness.


                          Question #3
                          cluster for a customer who is planning to use vRealize Automation to provision 600 virtual machines into that cluster, with expected growth up to 1,000 VM. Each VM has a 40GB thick-provisioned disk.
                          Which flash disk size is required for the cache tier per ESXi node to meet all requirements?

                          A. 400GB
                          B. 800GB
                          C. 700GB
                          D. 600GB


                          Question #4
                          An administrator is troubleshooting vSAN performance issues, and the performance diagnostics reports:
                          "There are errors seen in one or more physical NICs on one or more hosts." Which two problems must be resolved to fix this issue? (Choose two.)

                          A. There is an incorrectly set MTU.
                          B. A firewall is blocking ports.
                          C. A 25 Gb/s NIC needs to be installed.
                          D. There are incompatible firmware and driver versions.
                          E. The vSAN version needs to be upgraded to 7.0.


                          Question #5
                          An administrator is setting up vSAN file services on a vSAN cluster.
                          Which two security policies on the distributed port groups are automatically enabled in the process? (Choose two.)

                          A. MacLearning
                          B. Jumbo Frames
                          C. Promiscuous Mode
                          D. DVFiltering
                          E. Forged Transmits


                          Solutions:

                          Question #1
                          Correct Answer: C
                          Question #2
                          Correct Answer: A,D,F
                          Question #3
                          Correct Answer: D
                          Question #4
                          Correct Answer: A,D
                          Question #5
                          Correct Answer: A,E

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