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| Section | Objectives |
|---|---|
| Topic 1: Describe Cluster Configuration and Maintenance | - Valid cluster configuration options - Hardware maintenance procedures - Software updates and Life Cycle Management (LCM) |
| Topic 2: Demonstrate and Understand Platform Health and Monitoring | - Support case creation and diagnostic tools - Alerts, events, and performance monitoring - Cluster health checks and resiliency status |
| Topic 3: Describe Nutanix Platform Administration | - Storage operations and licensing management - Basic virtual networking configuration - Virtual machine management tasks |
| Topic 4: 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 |
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質問 # 14
A volume group is a collection of which components?
正解：B
解説：
A Nutanix volume group is a collection of logically related virtual disks, also described as vDisks or volumes.
The group provides block-storage resources that can be attached directly to guest VMs or presented through iSCSI to supported consumers. Grouping the disks allows them to be administered, attached, protected, cloned, and managed as a related storage entity.
A storage pool aggregates physical storage capacity contributed by cluster nodes. Storage containers are logical subdivisions created within a storage pool and hold virtual disks. Consequently, a volume group can use vDisks created on Nutanix storage, but it is not a collection of pools or containers. Controller VMs run the distributed storage and cluster services on individual nodes and are unrelated to volume-group membership.
Each volume group has its own name and UUID, and administrators can add or remove virtual disks according to platform limitations. A group may be associated with one or more consumers depending on the attachment mode and supported use case. This structure is particularly suitable for applications requiring shared block devices, direct iSCSI access, or multiple related application volumes. References: Prism - Volume Group Configuration and Prism Central - Storage Components . NHCF alignment: volume groups and block-storage operations.
質問 # 15
Which Nutanix solution allows running NCI on AWS or Microsoft Azure bare-metal infrastructure?
正解：C
解説：
Nutanix Cloud Clusters, commonly identified as NC2, deploys the core Nutanix Cloud Infrastructure software stack on bare-metal resources supplied by public-cloud providers. That stack includes AOS, AHV, and Prism, giving administrators a consistent infrastructure and operational model across on-premises Nutanix environments and supported public clouds. For the examination scope, AWS and Microsoft Azure are the relevant providers.
NC2 does not merely expose external storage to an existing cloud-native hypervisor. It establishes a Nutanix cluster on cloud bare-metal instances, allowing workloads to retain familiar Nutanix storage, virtualization, management, and resilience characteristics. This supports migration, disaster recovery, datacenter extension, and temporary capacity expansion without requiring applications to be substantially refactored.
Nutanix Flow supplies networking and security capabilities; it is not the platform that instantiates NCI clusters on public-cloud bare metal. AOS Storage is the distributed storage layer within the Nutanix platform, not the complete cloud deployment solution. "NCI with External Storage" describes neither the recognized product name nor the NC2 deployment architecture.
The operative phrases are "NCI," "AWS or Microsoft Azure," and "bare-metal infrastructure." Together, they identify NC2 unambiguously.
NHCF/NCA reference: Nutanix solution portfolio, hybrid multicloud deployment models, NCI, and NC2.
Official reference: Nutanix Cloud Clusters , particularly the NC2 architecture and public-cloud availability sections.
質問 # 16
Which Nutanix license tier includes the ability to enable microsegmentation using Flow Network Security?
正解：A
解説：
Flow Network Security microsegmentation is included with the NCI Ultimate feature set. Microsegmentation applies policy-based controls between protected workloads, allowing administrators to restrict east-west traffic according to categories, application tiers and defined security requirements. Because this is an infrastructure networking and security capability, its core entitlement is associated with Nutanix Cloud Infrastructure rather than Nutanix Cloud Manager.
The official Nutanix software-options matrix distinguishes between inclusion and add-on availability. NCI Ultimate includes microsegmentation. NCI Pro can support the capability when the applicable Security add- on is purchased, but the base NCI Pro tier alone does not include that entitlement. NCI Starter does not provide the required microsegmentation entitlement. NCM Ultimate includes advanced cloud-management, governance and security-compliance functions, but it does not replace the NCI entitlement needed to enforce Flow Network Security policies on protected workloads.
Therefore, among the listed standalone tiers, NCI Ultimate is the tier that includes the ability directly. This distinction is important in exam questions: a feature being available as an add-on to a tier is not equivalent to being included in the base tier.
NHCF/NCA reference: Nutanix solutions and NCI networking/security capabilities; NCA Section 1,
"Recognize Nutanix solutions, use cases and features of NCI technologies." Official reference: Nutanix Cloud Platform Software Options .
質問 # 17
Before physically removing a failing disk from a Nutanix node, what step must be completed in Prism Element?
正解：B
解説：
The disk must first be logically removed from the cluster through Prism Element. The administrator selects the disk, clicks Remove Disk and confirms the action. AOS then migrates any recoverable data away from the device and updates the cluster's storage metadata. The disk must not be physically removed until the process completes and the disk indicator in the hardware diagram turns red.
The red indicator confirms that AOS has finished the supported logical-removal workflow and that the disk is no longer participating as an active storage device. Physically extracting a disk before this state is reached can interrupt data migration, generate additional alerts and reduce cluster resiliency.
The cluster destroy command would destroy the cluster configuration and is entirely inappropriate for component replacement. Shutting down the CVM would unnecessarily remove storage-controller services from the node and can interfere with the evacuation process. Rebooting the AHV host neither removes the disk from AOS metadata nor confirms that data migration has completed.
NHCF/NCA reference: Hardware maintenance, disk replacement and storage-resiliency procedures; NCA Section 3, "Identify hardware maintenance tasks." Official references: Prism 7.5-Removing a Disk , Prism
7.5-Hardware Table View .
質問 # 18
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?
正解：C
解説：
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 .
質問 # 19
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