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| Section | Objectives |
|---|---|
| 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 |
| Describe Cluster Configuration and Maintenance | - Hardware maintenance procedures - Software updates and Life Cycle Management (LCM) - Valid cluster configuration options |
| Demonstrate and Understand Platform Health and Monitoring | - Cluster health checks and resiliency status - Support case creation and diagnostic tools - Alerts, events, and performance monitoring |
| Describe Nutanix Platform Administration | - Storage operations and licensing management - Basic virtual networking configuration - Virtual machine management tasks |
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82. Frage
After deploying a VM, which tool provides additional capabilities, such as file-level restore?
Antwort: C
Begründung:
Nutanix Guest Tools is a collection of guest-resident services and utilities that extends the integration between a deployed virtual machine and the Nutanix platform. One of its principal capabilities is Self-Service Restore, also described as file-level restore. When the feature is enabled and NGT is installed, an authorized VM administrator can access files from a Nutanix-protected snapshot without requiring the infrastructure administrator to restore the entire VM.
NGT establishes the guest-side functionality required to expose and use supported recovery services.
Depending on the operating system and enabled components, NGT also supports functions such as application-consistent snapshot coordination and guest communication with the Nutanix platform.
The other tools serve different lifecycle stages. Nutanix X-Ray validates platform performance, resilience and infrastructure behavior. Foundation images physical nodes and creates or expands Nutanix clusters. Nutanix Move migrates workloads from supported source environments to Nutanix AHV or other supported targets.
None of these tools supplies guest-level file recovery after normal VM deployment.
NHCF/NCA reference: VM Management and Nutanix tools; VM protection, recovery points and guest integration; NCA Section 1, "Recognize the use cases and features of Nutanix tools." Official references:
Prism Central 7.5-Nutanix Guest Tools Overview , Prism 7.5-Self-Service Restore .
83. Frage
An administrator wants Prism Central to display CPU utilization for five virtual machines over the past 24 hours.
Which chart type should be used?
Antwort: C
Begründung:
A Metric Chart is designed to display one selected performance metric across one or more entities. In this scenario, CPU utilization is the single metric, while the five virtual machines are the multiple entities being compared. The chart's time range can be set to the previous 24 hours so that utilization trends and differences among the VMs are visible over a common interval.
Nutanix distinguishes a Metric Chart from an Entity Chart by what remains constant. A Metric Chart fixes the metric and permits multiple entities. An Entity Chart fixes the entity and displays one or more metrics for that entity. Therefore, if the administrator wanted to examine CPU utilization, memory utilization, IOPS, and network throughput for one VM, an Entity Chart would be appropriate. That is not the requirement presented here.
A Gantt chart represents task duration or scheduled activity along a timeline and is not the Prism performance- comparison chart for this use case. A pie chart represents composition at a point in time and is unsuitable for displaying historical CPU behavior across a 24-hour period.
The determining relationship is therefore one metric-CPU utilization-mapped to five VM entities, which directly matches the Metric Chart definition.
NHCF/NCA reference: Prism analysis, performance monitoring, entity selection, metrics, and time-range configuration. Official references: Prism 7.5 Analysis Dashboard and Creating a Metric Chart .
84. Frage
An administrator attempts to run a specific Nutanix Cluster Check (NCC) plugin from the Controller VM command line, but the check will not execute. The administrator discovers that this specific check was recently disabled by another user in the Prism web console.
Which action must the administrator take to successfully run this check from the command line?
Antwort: B
Begründung:
When an NCC plugin has been administratively disabled, a normal command-line execution respects that disabled state and skips the plugin. To run that specific check without permanently changing its configured status in Prism, the administrator must append the --force_run=True argument to the NCC command. The flag instructs NCC to execute the selected plugin despite its disabled configuration.
Restarting the cluster health service does not change the plugin's enablement state and introduces an unnecessary service operation. Re-enabling the check in Prism Element could also permit execution, but it changes the persistent configuration and is not required when the objective is to run the check once from the command line. Running ncc health_checks run_all does not override the disabled state; the disabled plugin can still be omitted from the complete check set.
NCC supports running complete check groups, individual plugins, and command options that modify execution behavior. Administrators should use forced execution deliberately because a check may have been disabled due to environmental applicability, a known issue, or support guidance. Reference: NCC 5.2 - NCC Usage . NHCF alignment: executing and interpreting NCC health checks.
85. Frage
When creating a new VLAN, what should be specified as the VLAN ID if a network interface uses the Native VLAN?
Antwort: D
Begründung:
In Nutanix AHV network configuration, VLAN ID 0 represents the native or untagged VLAN. Therefore, when a VM network interface must communicate through the native VLAN on the connected physical-switch port, the administrator specifies VLAN ID 0 while creating the VLAN-backed virtual network.
The native VLAN carries Ethernet frames without a conventional 802.1Q VLAN tag across the applicable switch connection. Nutanix uses the value 0 as the administrative representation for this untagged behavior. It does not mean that an ordinary production VLAN numbered zero is being created on the physical switch. The physical switch port and AHV uplink configuration must still agree on which traffic is treated as native or untagged.
VLAN ID 1 is commonly a switch default but is not Nutanix's required value for designating native-VLAN behavior. VLAN 255 is an otherwise ordinary numerical VLAN identifier and has no special native-VLAN meaning. VLAN 4096 is outside the usable IEEE 802.1Q VLAN range; Nutanix accepts VLAN identifiers through 4094 for normal tagged VLAN configurations.
NHCF/NCA reference: Networking-AHV networking terminology, VLAN-backed virtual networks and virtual network configuration; NCA Section 2, "Identify virtual networking tasks." Official reference: Prism
7.5-Creating a Basic VLAN Subnet .
86. Frage
An organization has determined that a specific NCC check can be disregarded and does not want to see the alert.
Where would an administrator turn off the relevant NCC check?
Antwort: A
Begründung:
The relevant NCC check should be disabled from the Prism Element web console. For a Prism Element cluster, administrators manage NCC checks through the Health dashboard. The Actions menu provides check- management functions, including selecting individual checks and controlling whether they remain enabled.
This is different from acknowledging or resolving an existing alert. Acknowledgement records that the alert has been reviewed, while disabling the underlying check prevents it from continuing to run and generate the unwanted condition. The administrator should disable a check only after confirming that it is genuinely inapplicable or that Nutanix has documented the condition as safe to disregard.
Nutanix states that after a check is disabled through the Prism web console, it cannot be run through the NCC command line until it is re-enabled in the web console. Therefore, running a command on a CVM is not the correct method for managing the persisted disabled state presented in the question. Prism Central can initiate broader troubleshooting and cluster-check workflows, but the relevant per-cluster check configuration is maintained through Prism Element.
The disabled check and the justification should be documented because suppressing a valid health check can conceal operational risk.
NHCF/NCA reference: NCC check management, Prism Element Health dashboard, and alert suppression.
Official references: Displaying and Managing NCC Checks , Running NCC , and NCC Guide .
87. Frage
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