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| Section | Objectives |
|---|---|
| Topic 1: Demonstrate and Understand Platform Health and Monitoring | - Cluster health checks and resiliency status - Alerts, events, and performance monitoring - Support case creation and diagnostic tools |
| Topic 2: Describe Cluster Configuration and Maintenance | - Software updates and Life Cycle Management (LCM) - Hardware maintenance procedures - Valid cluster configuration options |
| Topic 3: Recognize Nutanix Solutions and Tools | - Nutanix solutions, use cases, and features of Nutanix Cloud Infrastructure (NCI) Technologies - Use cases and features of Nutanix management and operational tools |
| Topic 4: Describe Nutanix Platform Administration | - Virtual machine management tasks - Storage operations and licensing management - Basic virtual networking configuration |
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NEW QUESTION # 72
An administrator needs to ensure that business-critical VMs maintain normal CPU performance.
Which action can the administrator take to generate alerts when VMs are oversubscribed during peak hours?
Answer: C
Explanation:
CPU Ready Time measures the percentage of time that a VM's virtual CPUs are ready to execute but cannot be scheduled on physical CPU resources. It is therefore a direct indicator of processor contention or CPU oversubscription. A VM can show moderate CPU utilization while still suffering poor response times because its vCPUs are waiting for execution time.
Prism Central supports user-defined alert policies based on infrastructure metrics, including VM CPU Ready Time. The administrator can define a threshold and evaluation period so that an alert is generated when scheduling delays exceed an acceptable level during peak demand. This produces proactive notification instead of requiring periodic manual review.
Pulse sends diagnostic information to Nutanix Support but does not create the workload-specific threshold requested. Increasing vCPU allocation without first validating contention may worsen CPU Ready Time because the hypervisor must schedule additional virtual processors. Reviewing average CPU usage is retrospective and does not automatically generate an alert. The most precise control is therefore a custom CPU Ready alert. References: Prism Central 7.5 - Alert Metrics and Intelligent Operations - Chart Metrics .
NEW QUESTION # 73
Refer to the exhibit.
A VM is experiencing poor performance at the storage level.
After reviewing the image, which action should the administrator take?
Answer: B
Explanation:
The exhibit displays the Cluster-wide Controller Latency metric, which represents the average time required for I/O operations to be processed by the cluster's storage controllers. Although the chart contains a latency spike, it does not establish that the cluster lacks SSD capacity or that a Controller VM is undersized. The first diagnostic action should be to determine whether a storage policy, particularly a storage Quality of Service configuration, is limiting the VM.
Storage QoS can impose an IOPS limit on a VM. When the workload reaches that limit, I/O requests are delayed to enforce the configured policy, producing elevated latency even when the physical storage subsystem has sufficient capacity. Nutanix documentation specifically notes that a maximum-IOPS configuration can cause higher latency to appear for the affected VM.
Migrating the VM to another host is unlikely to resolve a policy-enforced storage limit because Nutanix storage is distributed across the cluster. Increasing CVM memory or purchasing additional SSDs would be premature without evidence of sustained resource exhaustion. The appropriate first step is therefore to inspect the VM's applicable storage policy and QoS settings. References: Prism 7.5 - Storage Overview and Prism Central 7.5 - Storage QoS .
NEW QUESTION # 74
What node type can be part of a Nutanix HCI cluster but will not run user virtual machines?
Answer: A
Explanation:
A Nutanix storage-only node contributes storage capacity and storage-processing resources to a cluster but is deliberately prevented from hosting guest or user virtual machines. Nutanix documents storage-only nodes as unschedulable for guest workloads. This separation allows an organization to expand storage independently when additional compute capacity is unnecessary.
A storage-only node remains part of the distributed AOS storage architecture and participates in relevant cluster services. Its defining restriction is that the hypervisor scheduler does not place user VMs on it. Storage- only configurations are supported with specified hypervisors and hardware platforms, subject to the applicable compatibility and configuration requirements.
A compute-only node has the opposite purpose: it adds compute resources and can run application VMs but does not provide the conventional local AOS storage contribution or Controller VM found on an HCI node. A standard HCI node contributes both compute and storage and can host user workloads. "Worker" is principally a Kubernetes node role rather than the Nutanix HCI node type described by this question.
NHCF/NCA reference: Introduction and Storage Concepts-Nutanix node roles, cluster architecture and scale-out options; NCA Section 3, "Describe valid cluster options." Official references: Prism 7.5-Storage- Only Nodes , AHV-Adding a Storage-Only Node .
NEW QUESTION # 75
Before a cluster with active licenses is decommissioned, what must be done to ensure the licenses are available to be applied to a new cluster?
Answer: C
Explanation:
The active licenses must be reclaimed before the cluster is destroyed. Reclaiming or unlicensing the cluster releases its assigned entitlement so that the available capacity can be applied to another qualified Nutanix cluster. Nutanix explicitly lists license reclamation as a prerequisite for cluster destruction.
Destroying a cluster without first reclaiming its licenses can leave the entitlement associated with a cluster that no longer exists. The licenses are not guaranteed to return automatically merely because the underlying nodes were reimaged, removed, or decommissioned. This can prevent the organization from assigning the purchased capacity to the replacement environment and may require licensing remediation.
The proper workflow is to verify the cluster's current licensing state, use License Manager to reclaim or unlicense the applicable entitlement, confirm that the capacity has returned to the available license inventory, and only then proceed with cluster destruction. Nutanix Support may assist when a cluster is already inaccessible or was destroyed without reclamation, but contacting Support is not the standard required workflow.
Nutanix licenses are generally reusable and portable according to their applicable terms, so option C is also incorrect.
NHCF/NCA reference: License reclamation, cluster decommissioning, and License Manager. Official references: Destroying a Cluster and License Manager Guide .
NEW QUESTION # 76
What crucial step must be taken before successfully stopping a Nutanix cluster?
Answer: B
Explanation:
All guest virtual machines must be shut down before stopping a Nutanix cluster. A cluster shutdown terminates the AOS services provided by the Controller VMs and ultimately shuts down the hypervisor hosts.
Leaving user workloads running would expose those VMs to abrupt power loss, interrupted write operations and possible application or filesystem corruption.
The supported sequence begins with a controlled shutdown of the guest operating systems. Administrators should verify that no user VMs remain powered on, check cluster health and then execute the supported cluster-stop procedure. The cluster process coordinates the shutdown of AOS services and Controller VMs; therefore, administrators must not manually power off every CVM as the first action.
Disabling the Remote Support Tunnel has no bearing on the safe shutdown of storage and compute services.
Protection domains generally do not need to be disabled for an ordinary cluster shutdown, although synchronous-replication configurations can require additional site-specific preparation.
NHCF/NCA reference: Cluster maintenance, controlled shutdown and service-management procedures; NCA Section 3, "Identify hardware maintenance tasks." Official references: AHV-Shutting Down a Cluster , Shutting Down DR Clusters .
NEW QUESTION # 77
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