Nutanix Certified Associate (NCA) β Questions and Answers
Question 1: What is stakeholder mapping in Nutanix Exam practice?
- Identifying all parties with an interest in a project and assessing their influence and expectations (Correct answer)
- Creating a geographical map of office locations
- Tracking competitor locations on a city map
- Mapping customer demographic data by region
Correct answer: Identifying all parties with an interest in a project and assessing their influence and expectations
Stakeholder mapping identifies everyone affected by or interested in a project, then categorizes them by influence level, interest, and expectations to develop targeted communication and engagement strategies.
Question 2: In Nutanix, what does 'async replication' with a Protection Domain typically deliver as a minimum RPO?
- 1 minute
- 1 hour (Correct answer)
- 0 seconds
- 24 hours
Correct answer: 1 hour
Standard asynchronous replication in Nutanix Protection Domains supports a minimum RPO of 1 hour for remote site replication.
Question 3: Which Nutanix AOS feature reduces storage consumption by identifying and eliminating redundant data blocks across VMs in a storage container?
- Compression
- Erasure Coding
- Thin Provisioning
- Deduplication (Correct answer)
Correct answer: Deduplication
Deduplication eliminates duplicate data blocks within a container, significantly reducing storage footprint especially in VDI environments with many similar VMs.
Question 4: In Nutanix project planning, what does a RACI matrix define?
- Roles and responsibilities for each project task (Correct answer)
- Cost allocation by department
- Server rack installation sequence
- Risk likelihood and impact scores
Correct answer: Roles and responsibilities for each project task
A RACI matrix identifies who is Responsible, Accountable, Consulted, and Informed for each project activity.
Question 5: Which Nutanix component is responsible for managing distributed storage across all nodes in a cluster?
- Distributed Storage Fabric (DSF) (Correct answer)
- Controller VM (CVM)
- Prism Element
- Acropolis Hypervisor (AHV)
Correct answer: Distributed Storage Fabric (DSF)
The Distributed Storage Fabric (DSF) aggregates local storage from all nodes into a single shared pool visible to all VMs.
Question 6: What is the purpose of the Nutanix 'data locality' feature?
- Serves VM data from the node where the VM runs (Correct answer)
- Migrates cold data to cloud storage
- Ensures data is replicated to remote sites
- Encrypts data at rest on local drives
Correct answer: Serves VM data from the node where the VM runs
Data locality ensures that a VM's data is served from the local node's storage, minimizing network I/O and improving performance.
Question 7: SOC 2 Type II compliance differs from SOC 2 Type I in that it:
- Requires government certification
- Tests controls over a period of time rather than a single point in time (Correct answer)
- Covers more security domains
- Is specific to cloud-only environments
Correct answer: Tests controls over a period of time rather than a single point in time
SOC 2 Type II evaluates the operational effectiveness of controls over a minimum six-month period, providing stronger assurance than the point-in-time Type I.
Question 8: Which Prism Central feature generates a PDF or CSV file summarizing VM inventory, including IP addresses, vCPU count, memory, and power state, across all registered clusters?
- Calm Infrastructure Report
- Flow Policy Report
- NCC Cluster Report
- Prism Central VM Inventory Report (Correct answer)
Correct answer: Prism Central VM Inventory Report
Prism Central's VM Inventory Report compiles VM attributes from all registered clusters into a downloadable PDF or CSV for asset management and auditing.
Question 9: What does 'CPU overcommit' mean in the context of AHV virtualization?
- Pinning specific vCPUs to dedicated physical cores
- Enabling hyperthreading on the physical host CPU
- Setting hard CPU limits on individual virtual machines
- Assigning more vCPUs across all VMs than there are physical CPU threads on the host (Correct answer)
Correct answer: Assigning more vCPUs across all VMs than there are physical CPU threads on the host
CPU overcommit assigns more total vCPUs across VMs than physical thread count, relying on the hypervisor scheduler to time-share physical cores among competing VMs.
Question 10: What is the primary purpose of a code of ethics in Nutanix Exam practice?
- To establish professional standards of conduct and guide ethical decision-making (Correct answer)
- To define office hours and schedules
- To set pricing for services
- To determine salary structures
Correct answer: To establish professional standards of conduct and guide ethical decision-making
A code of ethics provides a framework of professional values and behavioral standards that guides practitioners in ethical decisions while maintaining public trust.
Question 11: A company is evaluating Nutanix vs a public cloud solution for a 3-year workload. At what point does on-premises HCI typically become more cost-effective than equivalent public cloud resources?
- Immediately, from day one of deployment
- After 12β18 months when steady-state utilization is reached (Correct answer)
- Never; public cloud is always cheaper at scale
- Only after the hardware is fully depreciated at year 5
Correct answer: After 12β18 months when steady-state utilization is reached
On-premises HCI typically reaches a cost crossover point versus equivalent public cloud resources after 12β18 months of steady-state utilization when fixed costs are amortized.
Question 12: A finance director asks for a Nutanix infrastructure chargeback report. Which Nutanix tool is most relevant to this request?
- Prism Central's capacity planning and usage analytics, which can provide per-cluster and per-project resource consumption data (Correct answer)
- Nutanix Flow for microsegmentation policy reporting
- Nutanix Life Cycle Manager (LCM) for firmware version tracking
- Nutanix Files analytics for NFS share access logs
Correct answer: Prism Central's capacity planning and usage analytics, which can provide per-cluster and per-project resource consumption data
Prism Central provides usage analytics and capacity data by cluster and project, which can be used to generate chargeback or showback reports for finance stakeholders.
Question 13: In Nutanix, which type of snapshot is recommended for databases to ensure application-consistent recovery?
- Application-consistent snapshot using VSS or pre/post scripts (Correct answer)
- Crash-consistent snapshot only
- File-level snapshot via SMB
- Raw device snapshot of the CVM
Correct answer: Application-consistent snapshot using VSS or pre/post scripts
Application-consistent snapshots use VSS (on Windows) or pre/post quiesce scripts to flush in-memory data to disk before the snapshot, ensuring database integrity.
Question 14: Which Nutanix feature enables stretched clustering between two sites for zero RPO?
- NearSync
- Async DR
- Leap
- Metro Availability (Correct answer)
Correct answer: Metro Availability
Metro Availability provides synchronous replication between two sites, enabling zero RPO and allowing VMs to run transparently across both sites.
Question 15: Which Nutanix tool is specifically designed to migrate VMs from VMware ESXi or Microsoft Hyper-V to AHV?
- Nutanix Calm
- Nutanix Move (Correct answer)
- Nutanix Era
- Prism Central import wizard
Correct answer: Nutanix Move
Nutanix Move (formerly Xtract) is the dedicated cross-hypervisor VM migration tool that handles disk conversion and cutover automatically.
Question 16: In Nutanix Prism analytics, what does the 'Write Amplification Factor' (WAF) metric measure?
- The ratio of logical writes to physical writes occurring on the storage layer (Correct answer)
- CVM memory consumption per write operation
- Snapshot replication overhead
- Network packet retransmission rate
Correct answer: The ratio of logical writes to physical writes occurring on the storage layer
WAF measures how many physical writes are generated per logical write, helping identify storage efficiency β high WAF means the storage system is doing significantly more work than the application requests.
Question 17: What is the Nutanix AHV built-in feature equivalent to VMware's Distributed Resource Scheduler (DRS) for automatic VM load balancing?
- Acropolis Dynamic Scheduler (ADS) (Correct answer)
- Nutanix Flow
- Prism Pro Analytics
- Nutanix Calm
Correct answer: Acropolis Dynamic Scheduler (ADS)
The Acropolis Dynamic Scheduler (ADS) automatically balances VM workloads across cluster nodes based on CPU and memory utilization without manual administrator intervention.
Question 18: What is the maximum number of nodes that can exist in a single Nutanix cluster running AOS?
- 256 nodes
- 64 nodes
- 32 nodes
- 128 nodes (Correct answer)
Correct answer: 128 nodes
A single Nutanix AOS cluster supports up to 128 nodes, enabling large-scale deployments within a single cluster boundary.
Question 19: What is the primary use of a VM Template in Nutanix AHV?
- Providing a pre-configured, reusable base image for rapid and consistent VM deployment (Correct answer)
- Replicating VMs to a remote Nutanix cluster
- Monitoring VM performance metrics over time
- Scheduling automated periodic VM backups
Correct answer: Providing a pre-configured, reusable base image for rapid and consistent VM deployment
VM templates provide a standardized master image from which multiple identically configured VMs can be deployed quickly, ensuring consistency across deployments.
Question 20: Which virtual network adapter type is recommended for optimal VM network performance on AHV?
- E1000
- VirtIO (Correct answer)
- RTL8139
- VMXNET3
Correct answer: VirtIO
VirtIO is the paravirtualized network driver recommended for AHV VMs, offering the best throughput and lowest CPU overhead on KVM-based hypervisors.
Question 21: Which Nutanix management interface is used to create and manage virtual machines on AHV?
- Prism Element or Prism Central (Correct answer)
- Microsoft SCVMM
- Nutanix Move
- VMware vCenter
Correct answer: Prism Element or Prism Central
VMs are created and managed through Prism Element (single-cluster) or Prism Central (multi-cluster), Nutanix's native management planes.
Question 22: What does data integrity mean in Nutanix Exam practice?
- The speed at which data can be processed
- The accuracy, consistency, and reliability of data throughout its entire lifecycle (Correct answer)
- The physical security of computer hardware
- The artistic quality of data visualizations
Correct answer: The accuracy, consistency, and reliability of data throughout its entire lifecycle
Data integrity refers to maintaining and assuring the accuracy, consistency, and reliability of data over its entire lifecycle, ensuring that information remains trustworthy for analysis and decision-making.
Question 23: What is the correct method to install a guest OS on a newly created AHV VM using an ISO image?
- Use PXE network boot only
- Import an OVF template
- Clone from an existing VM
- Mount the ISO as a CD-ROM device and boot from it (Correct answer)
Correct answer: Mount the ISO as a CD-ROM device and boot from it
In AHV, you attach an ISO file as a virtual CD-ROM to the VM and configure it to boot from that device for OS installation.
Question 24: When upgrading Nutanix AOS using the 1-Click Upgrade feature, what is the correct upgrade sequence for cluster components?
- AHV β AOS β Firmware
- AOS β Firmware β AHV
- Firmware β AHV β AOS
- AOS β AHV β Firmware (Correct answer)
Correct answer: AOS β AHV β Firmware
The recommended Nutanix upgrade order is AOS first, then AHV hypervisor, then node firmware, ensuring compatibility and cluster stability throughout the process.
Question 25: What is the purpose of configuring vNUMA (virtual NUMA) for large virtual machines in AHV?
- To enable live migration between geographically separate clusters
- To enforce network Quality of Service (QoS) policies on VM traffic
- To improve large VM performance by exposing the physical NUMA topology to the guest OS (Correct answer)
- To configure automatic storage tiering for data inside the VM
Correct answer: To improve large VM performance by exposing the physical NUMA topology to the guest OS
vNUMA exposes the host's physical NUMA topology to the guest OS, allowing applications to optimize memory access locality and reduce cross-NUMA latency for large, multi-vCPU VMs.
Question 26: Which hypervisor is natively bundled with Nutanix AOS at no additional license cost?
- AHV (Acropolis Hypervisor) (Correct answer)
- VMware ESXi
- Microsoft Hyper-V
- Citrix XenServer
Correct answer: AHV (Acropolis Hypervisor)
AHV (Acropolis Hypervisor) is Nutanix's native, license-included hypervisor built on KVM/QEMU, eliminating third-party hypervisor licensing costs.
Question 27: During a Nutanix licensing renewal negotiation, a procurement manager asks for a clear breakdown of what each license covers. What is the most appropriate response?
- Forward the procurement manager directly to the Nutanix legal team
- Provide a clear mapping of each license SKU to the specific features and services it enables in business terms (Correct answer)
- Send the full Nutanix Software Licensing Agreement PDF without additional context
- Explain that licensing details are confidential and cannot be shared with procurement
Correct answer: Provide a clear mapping of each license SKU to the specific features and services it enables in business terms
Procurement managers need a clear, accessible explanation of what each license covers to make informed purchasing decisions and justify spend.
Question 28: Which Nutanix tool allows administrators to schedule automated report generation and email delivery on a recurring basis?
- Karbon Monitoring
- Calm Action Scheduler
- Prism Central Report Scheduling (Correct answer)
- NCC Health Check Automation
Correct answer: Prism Central Report Scheduling
Prism Central's Report Scheduling feature lets admins configure reports to run automatically on daily, weekly, or monthly intervals and send via email.
Question 29: An administrator notices that Prism's storage capacity report shows 'Effective Capacity' is significantly lower than 'Raw Capacity'. What is the most likely explanation?
- Erasure coding and replication factor overhead reduce usable space (Correct answer)
- VMs are over-provisioned
- Compression has not been configured
- Deduplication is disabled
Correct answer: Erasure coding and replication factor overhead reduce usable space
Replication factor (RF2/RF3) and erasure coding consume raw capacity for redundancy, reducing effective usable storage.
Question 30: An administrator is currently working on the configuration of a ROBO cluster that consists of a single node. <br> Which of the following statements is correct in reference to this arrangement?
- CVM should be assigned 8 vCPUs and 20 GB memory
- A Witness VM is required to break the quorum
- Supported hardware is NX-1175S-G5 and NX-1175S-G6 (Correct answer)
- The minimum RPO for this from factor is 8 hours
Correct answer: Supported hardware is NX-1175S-G5 and NX-1175S-G6
NX-1175S-G5 and NX-1175S-G6, are part of the Nutanix NX series hyperconverged infrastructure (HCI) platforms. These hardware models are designed to run the Nutanix software stack, including the Acropolis Operating System (AOS) and Prism management interface. <br> The specific features and specifications of these hardware models can vary, so it's recommended to refer to the official Nutanix documentation or contact Nutanix support for accurate and up-to-date information. They can provide detailed information about the supported configurations, hardware specifications, and compatibility with various Nutanix software versions.
Question 31: A CIO asks why the organization should consolidate on Nutanix HCI rather than maintaining separate SAN and server infrastructure. Which argument is most persuasive at the executive level?
- Nutanix Flow provides micro-segmentation using policy-based security groups
- Nutanix uses a distributed storage fabric with tunable redundancy factor per container
- HCI consolidation reduces operational complexity, lowers TCO, and improves scalability with a single vendor relationship (Correct answer)
- AHV eliminates hypervisor licensing fees through a built-in type-1 hypervisor
Correct answer: HCI consolidation reduces operational complexity, lowers TCO, and improves scalability with a single vendor relationship
CIOs prioritize TCO, operational efficiency, and strategic vendor relationships β not low-level technical features.
Question 32: What technology does Prism Element use to provide VM console access directly within a web browser?
- Java-based VNC client plugin
- SSH port forwarding
- Remote Desktop Protocol (RDP)
- HTML5-based console using WebSocket/noVNC (Correct answer)
Correct answer: HTML5-based console using WebSocket/noVNC
Prism uses an HTML5/WebSocket-based console (noVNC) for browser-native VM console access without requiring any additional client-side software installation.
Question 33: What is the recommended first step when onboarding a new team member to an in-progress Nutanix infrastructure project?
- Ask them to rewrite the project plan
- Have them attend the next client meeting without preparation
- Assign them to the most critical task immediately
- Review the project charter, current schedule, and risk register with them (Correct answer)
Correct answer: Review the project charter, current schedule, and risk register with them
Reviewing foundational project documents ensures the new member understands scope, status, and risks before contributing.
Question 34: Which Nutanix Prism Central capability allows administrators to define and enforce policies that automatically remediate detected anomalies?
- Prism Pro X-Play (Playbooks) (Correct answer)
- Calm DSL policy engine
- NCC auto-remediation scripts
- LCM compliance enforcement mode
Correct answer: Prism Pro X-Play (Playbooks)
X-Play Playbooks in Prism Pro allow administrators to create automated workflows that trigger on alerts and take remediation actions like VM restart or notification.
Question 35: How are VM disk images stored in a Nutanix AHV environment?
- VHD files on an iSCSI LUN
- VMDK files on an NFS datastore
- vDisks within the Nutanix Distributed Storage Fabric (Correct answer)
- Raw disk-mapped volumes on local storage
Correct answer: vDisks within the Nutanix Distributed Storage Fabric
Nutanix stores VM disks as vDisks within the Distributed Storage Fabric (DSF), providing built-in redundancy, performance, and data locality.
Question 36: What role does feedback play in Nutanix Exam professional development?
- It identifies strengths and areas for improvement, guiding professional growth (Correct answer)
- Only supervisors should give and receive professional feedback
- Professional feedback should be given only during annual reviews
- Feedback is only useful when it is entirely positive
Correct answer: It identifies strengths and areas for improvement, guiding professional growth
Constructive feedback identifies both strengths and development areas, providing specific, actionable information that guides professional growth when delivered timely and received with openness.
Question 37: When a Nutanix cluster is subject to a legal hold (litigation hold), which data management action must the organization avoid?
- Reviewing existing snapshots
- Deleting, overwriting, or modifying any data covered by the hold scope (Correct answer)
- Adding new VMs unrelated to the hold
- Monitoring cluster performance
Correct answer: Deleting, overwriting, or modifying any data covered by the hold scope
A legal hold requires preservation of all potentially relevant data in its original state; deletion or modification of covered data constitutes spoliation and can result in court sanctions.
Question 38: In Nutanix Prism Central, which feature allows administrators to apply consistent policiesβsuch as security rules and QoS settingsβacross multiple clusters?
- Blueprints
- Runbooks
- Categories (Correct answer)
- Policies
Correct answer: Categories
Categories in Prism Central are key-value metadata tags applied to entities (VMs, clusters) that drive policy enforcement such as security and protection policies.
Question 39: What is a Nutanix 'Consistency Group' used for within a Protection Domain?
- Ensuring VMs are always co-located on the same node
- Defining network segmentation rules between VM groups
- Configuring shared storage volumes for clustered applications
- Grouping VMs so their snapshots are taken simultaneously for crash consistency (Correct answer)
Correct answer: Grouping VMs so their snapshots are taken simultaneously for crash consistency
A Consistency Group within a Protection Domain ensures that all included VMs are snapshotted at the exact same point in time, maintaining write-order consistency for multi-VM applications.
Question 40: What happens to VMs running on a Nutanix node when that node experiences a hardware failure?
- All VMs in the entire cluster stop until the failed node is repaired
- VM data is lost and must be manually restored from a backup
- The failed node's VMs remain unavailable until an administrator manually intervenes
- The VMs on the failed node automatically restart on remaining healthy nodes using DSF data replicas (Correct answer)
Correct answer: The VMs on the failed node automatically restart on remaining healthy nodes using DSF data replicas
Because the DSF replicates VM data across multiple nodes, VMs on a failed node can automatically restart on surviving nodes with no data loss.
Question 41: A project manager asks a Nutanix engineer to provide weekly status reports during a HCI deployment. What should these reports primarily include?
- Raw IPMI sensor logs and hardware diagnostics
- Detailed CVM memory utilization graphs
- Full Nutanix Life Cycle Manager (LCM) update history
- Milestones achieved, upcoming tasks, risks, and blockers in plain language (Correct answer)
Correct answer: Milestones achieved, upcoming tasks, risks, and blockers in plain language
Status reports for project managers should highlight milestone progress, upcoming work, and any risks or blockers that may affect the project timeline.
Question 42: Which Nutanix feature automatically resynchronizes data back to the primary site after a failback?
- Nutanix Volumes iSCSI reconnect
- Reverse replication within the Protection Domain (Correct answer)
- Prism Central blueprint re-deployment
- Manual VM cold migration
Correct answer: Reverse replication within the Protection Domain
Nutanix supports reverse replication, which re-syncs changed data from the active DR site back to the original primary cluster to complete the failback process.
Question 43: Which Nutanix feature allows workloads to continue running at a secondary site during a primary site outage, directly mitigating site-level disaster risk?
- Nutanix Leap (Metro Availability) (Correct answer)
- Prism Central Alerts
- Erasure Coding
- NCC Health Checks
Correct answer: Nutanix Leap (Metro Availability)
Nutanix Leap with Metro Availability enables seamless workload failover to a secondary site, directly mitigating the risk of primary site outages.
Question 44: A Nutanix administrator is asked by a VP to predict when storage capacity will be exhausted. Which approach provides the most credible answer?
- State that storage capacity forecasting is impossible without 12 months of additional data
- Check the current free space percentage and double it as a rough estimate
- Estimate based on gut feeling from years of experience
- Use Prism Central's capacity planning tool to project growth trends and provide a data-driven forecast with confidence ranges (Correct answer)
Correct answer: Use Prism Central's capacity planning tool to project growth trends and provide a data-driven forecast with confidence ranges
Data-driven forecasts from Prism Central's capacity planning tool provide credible, defensible projections that VPs can rely on for budgeting and planning decisions.
Question 45: Which of the following scenarios represents a violation of Nutanix software licensing ethics?
- Renewing licenses before expiration
- Deploying Nutanix licenses purchased through authorized channels
- Installing Nutanix software on nodes not covered by an active license (Correct answer)
- Submitting a license audit report to Nutanix as requested
Correct answer: Installing Nutanix software on nodes not covered by an active license
Installing software on unlicensed nodes violates the End User License Agreement (EULA) and constitutes software piracy.
Question 46: What is the primary purpose of installing Nutanix Guest Tools (NGT) inside a virtual machine?
- To manage cluster-level storage replication policies
- To enable VSS-based application-consistent snapshots and self-service file restore within the guest (Correct answer)
- To configure VLAN tagging on the VM's virtual NICs
- To monitor host-level network traffic between nodes
Correct answer: To enable VSS-based application-consistent snapshots and self-service file restore within the guest
NGT enables in-guest capabilities including VSS-based application-consistent snapshots, self-service file restore (SSR), and enhanced live migration support.
Question 47: What is the primary operational benefit of enabling memory overcommit in AHV?
- It enables live migration of VMs with very large memory footprints
- It allows more VMs to run on a host than the physical RAM would normally support (Correct answer)
- It accelerates VM performance by transparently compressing memory pages
- It reduces storage overhead for VM virtual disk images
Correct answer: It allows more VMs to run on a host than the physical RAM would normally support
Memory overcommit increases VM density by allowing the hypervisor to schedule physical RAM among more VMs than could fit if each VM's maximum allocation were fully reserved.
Question 48: What does an AHV VM snapshot capture?
- The complete VM state including configuration, in-memory state, and disk contents at that point in time (Correct answer)
- Only the VM's configuration settings such as vCPU and RAM allocation
- Only the virtual disk contents at the time of creation
- Only the hypervisor-level metadata for the VM
Correct answer: The complete VM state including configuration, in-memory state, and disk contents at that point in time
AHV snapshots capture the full VM state β configuration, in-memory data, and all disk contents β enabling a complete rollback to exactly how the VM was at that moment.
Question 49: Which Nutanix tool provides a guided check of cluster health, covering hardware, software, and configuration best practices?
- Prism Pro
- Nutanix Pulse
- NCC (Nutanix Cluster Check) (Correct answer)
- LCM (Life Cycle Manager)
Correct answer: NCC (Nutanix Cluster Check)
NCC (Nutanix Cluster Check) is the diagnostic framework that runs hundreds of health checks across hardware, software, and configuration on a Nutanix cluster.
Question 50: What is active listening in Nutanix Exam professional communication?
- Hearing words while multitasking on other activities
- Waiting for your turn to speak without processing content
- Taking notes without making any eye contact
- Fully concentrating on the speaker, understanding their message, and providing thoughtful feedback (Correct answer)
Correct answer: Fully concentrating on the speaker, understanding their message, and providing thoughtful feedback
Active listening involves fully focusing on the speaker, processing their message, asking clarifying questions, and providing thoughtful responses that demonstrate understanding and engagement.
Question 51: Which Nutanix product provides database-as-a-service (DBaaS) for Oracle, SQL Server, PostgreSQL, and other databases?
- Nutanix Calm
- Nutanix Objects
- Nutanix Era (Correct answer)
- Nutanix Files
Correct answer: Nutanix Era
Nutanix Era provides one-click database provisioning, patching, cloning, and lifecycle management for multiple database engines.
Nutanix Certified Associate (NCA)
The Nutanix Certified Associate (NCA) exam validates foundational knowledge of Nutanix hyperconverged infrastructure including HCI architecture, AHV virtualization, storage management, and data protection. It is the entry-level Nutanix certification for IT professionals deploying and managing Nutanix platforms.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong β answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds