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| Section | Objectives |
|---|---|
| Topic 1: Demonstrate and Understand Platform Health and Monitoring | - Alerts, events, and performance monitoring - Support case creation and diagnostic tools - Cluster health checks and resiliency status |
| Topic 2: Describe Cluster Configuration and Maintenance | - Software updates and Life Cycle Management (LCM) - Valid cluster configuration options - Hardware maintenance procedures |
| Topic 3: Recognize Nutanix Solutions and Tools | - Use cases and features of Nutanix management and operational tools - Nutanix solutions, use cases, and features of Nutanix Cloud Infrastructure (NCI) Technologies |
| 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 # 87
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: D
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 # 88
Which security option should be implemented to ensure that all intra-cluster communication is secured?
Answer: A
Explanation:
Network Encryption is the security control directed at protecting data while it traverses the network between Nutanix cluster components. It provides cryptographic confidentiality and integrity for supported intra-cluster traffic, preventing captured traffic from being interpreted or modified without detection. In AOS 7.5, the documented intra-cluster data-in-transit encryption capability specifically covers Stargate storage traffic.
Accordingly, the examination wording should be interpreted as asking which option cryptographically secures intra-cluster communications, for which Network Encryption is the only valid choice.
Network Segmentation serves a different purpose. It isolates traffic categories-such as management, backplane, or replication traffic-onto separate networks. Segmentation can reduce exposure and limit broadcast or failure domains, but isolated traffic is not necessarily encrypted. Cluster Lockdown restricts administrative access, particularly access paths involving hosts and Controller VMs; it does not encrypt packets moving between cluster services. "vSwitch Lockdown" is not the relevant Nutanix data-in-transit security mechanism.
The decisive distinction is therefore encryption versus isolation or access restriction. If the requirement is that intercepted traffic must remain unreadable, an encryption capability is required. Segmentation may complement that control, but cannot replace it.
NHCF/NCA reference: Nutanix security architecture, data-in-transit protection, and cluster network configuration. Official references: Data-in-Transit Encryption and Segmented Network Traffic Types .
NEW QUESTION # 89
Which tool tests how a Nutanix environment will behave under a simulated production load?
Answer: B
Explanation:
Nutanix X-Ray is an automated testing and benchmarking framework that runs repeatable scenarios against hyperconverged infrastructure targets. It uses realistic workload generators and controlled infrastructure events to evaluate performance, resilience, scalability, data integrity, and availability. Its scenarios can simulate conditions such as VM cloning, snapshots, migrations, node failures, node power-offs, and sustained storage workloads.
X-Ray is intended for evaluation and test environments rather than active production clusters. The resulting metrics and reports allow architects and administrators to compare configurations and determine how an environment behaves under representative production-style demand and failure conditions.
Nutanix Move migrates workloads between supported platforms and does not benchmark infrastructure behavior. Nutanix Collector gathers environmental information for assessment and sizing activities but does not generate simulated application loads. Nutanix Foundation images nodes and deploys or configures clusters; it is not a performance-testing framework.
The requirement to test behavior under simulated load therefore maps directly to X-Ray's scenario-based testing model. References: Nutanix X-Ray FAQ and X-Ray 4.4 - Test Scenarios . NHCF alignment:
identifying Nutanix assessment, deployment, migration, and testing tools.
NEW QUESTION # 90
What node type can be part of a Nutanix HCI cluster but will not run user virtual machines?
Answer: D
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 # 91
A virtual machine needs to be placed on a different storage location within the cluster.
Which task should be performed?
Answer: C
Explanation:
Moving a VM's existing storage to a different storage container requires a vDisk placement change, implemented through live vDisk migration across storage containers. Nutanix supports migrating the attached vDisks of a running VM to a target container without deleting or shutting down the VM, subject to the documented requirements and limitations. The administrator can move an individual vDisk or all supported vDisks belonging to the VM.
A category assigns metadata used for organization, governance, automation, and policy association; it does not directly relocate existing disk data. Image placement policies determine which clusters receive images from the image service, not where an existing VM's attached vDisks are stored. A storage policy controls storage characteristics such as QoS or other supported data-service properties. It is not the general storage- container migration task.
The keyed answer D is particularly problematic because Nutanix documents that a vDisk cannot be migrated to another container while a storage policy is configured for the associated VM. Applying such a policy can therefore prevent the requested migration rather than accomplish it. References: Migrating a vDisk to Another Container and Storage Policy Management . NHCF alignment: storage operations and vDisk management.
NEW QUESTION # 92
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