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| Section | Objectives |
|---|---|
| Describe Nutanix Platform Administration | - Discuss storage operations - Describe virtual machine administration tasks - Describe licensing tasks - Identify virtual networking tasks |
| Recognize Nutanix Solutions and Tools | - Recognize Nutanix tools, features, and use cases - Recognize Nutanix Cloud Infrastructure (NCI) technologies, features, and use cases - Recognize non-NCI Nutanix technologies, features, and use cases |
| Describe Cluster Configuration and Maintenance | - Identify software maintenance tasks - Describe supported cluster configuration options - Identify hardware maintenance tasks |
| Demonstrate and Understand Platform Health and Monitoring | - Review and interpret workload performance - Leverage support functions - Review and interpret alerts and events - Perform and interpret health checks |
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NEW QUESTION # 61
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?
Answer: D
Explanation:
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.
NEW QUESTION # 62
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 # 63
A VM shows increasing CPU Ready values while overall CPU usage remains unchanged.
What does this behavior suggest?
Answer: C
Explanation:
CPU Ready measures the time during which a virtual CPU is ready to execute but cannot be scheduled on a physical CPU. Increasing CPU Ready while the VM's actual CPU usage remains unchanged indicates that the workload wants processor time but the hypervisor cannot schedule it promptly. This most commonly points to host CPU contention, oversubscription, or effectively exhausted CPU scheduling capacity.
This condition is not evidence that the VM lacks assigned vCPUs. Adding more vCPUs can make the problem worse because the hypervisor may have greater difficulty scheduling a larger virtual CPU configuration. The administrator should examine host CPU utilization, physical-core availability, CPU overcommitment, NUMA alignment, VM sizing, other high-demand VMs, and any CPU limits or affinity constraints.
Memory exhaustion produces different indicators, including swapping, ballooning, or elevated memory wait behavior. A full disk would affect storage capacity and possibly I/O latency but would not directly create CPU Ready time.
The wording "host CPU resources are exhausted" should be understood as unavailable or heavily contended physical scheduling capacity, not necessarily that every processor reports exactly 100% utilization. CPU Ready measures scheduling delay and can reveal contention that VM CPU usage alone does not expose.
NHCF/NCA reference: VM performance metrics, CPU contention, and troubleshooting resource constraints.
Official references: Interpreting CPU Ready Values , CPU Ready Time , and Prism Alert Metrics .
NEW QUESTION # 64
What are two requirements to upgrade Nutanix Guest Tools on a VM? (Choose two.)
Answer: C,D
Explanation:
The VM must be powered on so that the Nutanix Guest Agent and the guest operating system can participate in the NGT installation or upgrade workflow. The NGT software runs inside the guest, so a powered-off VM cannot execute the installer, communicate status, or complete the upgrade operation.
An available IDE or SATA CD-ROM slot is also required because Prism mounts the Nutanix Guest Tools ISO to the VM during configuration, installation, or upgrade. If the VM's virtual CD-ROM is already occupied by another ISO, the NGT media cannot be attached through the expected workflow. Nutanix documentation therefore requires at least one empty supported CD-ROM device. After installation or reconfiguration, supported versions can automatically eject the mounted NGT media.
A DNS entry is not a universal prerequisite for upgrading NGT. Although functional name resolution may support broader management operations, the upgrade requirement is based on VM power state and the ability to mount the NGT ISO. Powering off the VM directly conflicts with the installation requirement. References:
Prism Central 7.5 - Setting Up NGT and Nutanix Guest Tools Requirements . NHCF alignment: VM guest- tools administration.
NEW QUESTION # 65
When using the LCM Dark Site procedure in Prism Element or Prism Central, which Nutanix software component should be checked and upgraded first?
Answer: A
Explanation:
The LCM Framework must be current before the remaining dark-site software or firmware upgrade workflow is performed. The framework supplies the orchestration logic, compatibility metadata processing, inventory functionality, and update mechanisms that Life Cycle Manager uses to evaluate and execute component upgrades. An outdated framework may not correctly recognize newer bundles, dependencies, compatibility rules, or supported upgrade paths.
For the recommended dark-site sequence, Nutanix directs administrators to perform an LCM inventory first.
That operation checks the installed environment and updates the LCM Framework when the required framework bundle is available. Nutanix further specifies that no other software component should be upgraded during this initial framework step. NCC is upgraded and run afterward so that current health checks can be executed before broader maintenance proceeds.
Foundation VM is principally associated with imaging, discovering, and deploying Nutanix nodes; it is not the first component in an established cluster's LCM upgrade order. MSP is likewise not the controlling lifecycle framework for this procedure. Therefore, the correct operational sequence begins with the LCM Framework. Reference: LCM - Recommended Upgrade Order for the Dark Site Method . NHCF alignment:
software maintenance, LCM inventory, and lifecycle sequencing.
NEW QUESTION # 66
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