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| Section | Objectives |
|---|---|
| Topic 1: Demonstrate and Understand Platform Health and Monitoring | - Support case creation and diagnostic tools - Cluster health checks and resiliency status - Alerts, events, and performance monitoring |
| Topic 2: 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 3: Describe Nutanix Platform Administration | - Basic virtual networking configuration - Storage operations and licensing management - Virtual machine management tasks |
| Topic 4: Describe Cluster Configuration and Maintenance | - Valid cluster configuration options - Software updates and Life Cycle Management (LCM) - Hardware maintenance procedures |
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NEW QUESTION # 40
Which task must be performed first when preparing to upgrade an Internet-connected Nutanix cluster using Life Cycle Manager?
Answer: D
Explanation:
The administrator must first run an LCM inventory. Inventory establishes the cluster's current software and firmware state, refreshes component metadata, and obtains information about compatible updates available through the connected Nutanix source. LCM requires this baseline before it can accurately identify upgrade candidates and construct a valid update plan.
Executing an upgrade immediately is premature because LCM must first know which component versions are installed and which update combinations are supported. The upgrade workflow subsequently performs dependency evaluation and prechecks before applying selected components. Directly uploading software bundles is principally associated with dark-site or disconnected workflows. An Internet-connected cluster can retrieve the required metadata and available bundles through its configured online source. Restarting cluster services is neither the initial preparation step nor a normal manual prerequisite for LCM discovery.
Inventory also refreshes the LCM framework when required and makes the resulting component information available in the management interface. After inventory completes, the administrator reviews available updates, selects applicable components, executes prechecks, resolves reported issues, and then initiates the upgrade plan. This sequence minimizes compatibility and dependency risks.
NHCF/NCA reference: Life Cycle Manager, connected-site operation, inventory, prechecks, and upgrade planning. Official references: Performing LCM Inventory and Pre-Upgrade Configurations and Recommendations .
NEW QUESTION # 41
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: A
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 # 42
On which entity is Replication Factor configured?
Answer: D
NEW QUESTION # 43
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 # 44
Monitoring data shows stable CPU and memory usage, but a user VM remains slow.
Which area should be investigated next?
Answer: D
Explanation:
Once CPU consumption, CPU contention and memory utilization have been reviewed and found stable, storage latency becomes the next relevant performance domain. A VM can have adequate compute resources yet remain slow because guest read or write operations are waiting for the storage path. High latency may arise from workload contention, abnormal I/O patterns, a storage-controller issue, or an underlying infrastructure condition.
Prism exposes VM and infrastructure metrics including IOPS, bandwidth, read latency, write latency and total I/O latency. The administrator should correlate the VM's latency with its IOPS and throughput, then compare those values with storage-container, host and cluster-level metrics over the same interval. This determines whether the delay is isolated to the VM or reflects a broader storage condition.
License expiration may affect access to licensed features, but it is not the primary diagnostic explanation for an actively running VM's I/O responsiveness. RBAC controls administrative permissions rather than guest workload performance. Container sizing is not a standard immediate troubleshooting metric; the measurable symptom to examine first is latency.
NHCF/NCA reference: Cluster Performance-analysis charts, reports and workload-performance interpretation; NCA Section 4, "Review and interpret workload performance." Official references: Prism 7.5- Performance Monitoring , Prism Central 7.5-VM Summary Metrics .
NEW QUESTION # 45
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