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| Section | Objectives |
|---|---|
| Topic 1: Describe Nutanix Platform Administration | - Describe virtual machine tasks - Discuss storage operations - Describe licensing tasks - Identify virtual networking tasks |
| Topic 2: Demonstrate and Understand Platform Health and Monitoring | - Perform and interpret a health check - Leverage support functions - Review and interpret alerts and events - Review and interpret workload performance |
| Topic 3: Describe Cluster Configuration and Maintenance | - Describe valid cluster options - Identify hardware maintenance tasks - Identify software maintenance tasks |
| Topic 4: Recognize Nutanix Solutions and Tools | - Recognize Nutanix solutions, use cases, and features of Nutanix Cloud Infrastructure (NCI) technologies - Recognize non-Nutanix Cloud Infrastructure (NCI) solutions, use cases, and features - Recognize use cases and features of Nutanix tools |
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NEW QUESTION # 20
An administrator is troubleshooting a VM that consumes excessive resources and is potentially affecting other VMs.
Which VM Efficiency type refers to this type of VM?
Answer: A
Explanation:
A bully VM consumes an unusually high quantity of shared host resources and may deprive other VMs of the resources required to operate normally. NCM Intelligent Operations identifies this behavior by analyzing sustained metrics such as CPU Ready Time, memory swapping, and host I/O activity. The classification is based on observed resource behavior over time rather than only on the VM's configured size.
A constrained VM has insufficient resources for its own workload demand and may experience performance bottlenecks. An over-provisioned VM has more assigned resources than it regularly uses, creating inefficient capacity allocation without necessarily generating heavy consumption. An inactive VM is powered off or exhibits negligible activity for the defined assessment period. These classifications describe different optimization conditions and do not match a VM actively consuming resources at the expense of neighboring workloads.
After identifying a bully VM, the administrator should inspect its CPU, memory, and storage activity, confirm whether the demand is legitimate, and apply appropriate remediation such as workload tuning, resource resizing, scheduling changes, or storage QoS. Nutanix documentation identifies a bully VM through sustained resource-contention indicators. Reference: NCM Intelligent Operations - Behavioral Learning Tools . NHCF alignment: VM efficiency and workload-performance analysis.
NEW QUESTION # 21
During a routine cluster review, an administrator observes that an NCC check has returned the following status:
ERR: The plugin timed out
What does this status indicate about the health check?
Answer: A
Explanation:
An ERR status means that the NCC plugin failed to execute successfully. In this case, the plugin exceeded its allowed execution period and timed out. Because the check did not complete, NCC cannot determine whether the tested cluster component is healthy or unhealthy. Option C is therefore the accurate interpretation.
ERR must not be treated as equivalent to FAIL. A FAIL result indicates that the check executed and identified a condition that did not satisfy the required health criteria. By contrast, ERR describes a problem with the health-check execution itself. The administrator should review the accompanying message, verify the applicable services and connectivity, and rerun the check. Persistent execution errors may require collecting NCC logs or engaging Nutanix Support.
A warning or an unexpected but noncritical condition is represented differently. INFO supplies contextual information that does not constitute a failure, while WARN identifies a condition requiring review. The timeout result cannot validate the cluster's state, so the underlying area remains unconfirmed until the check completes successfully.
NHCF/NCA reference: Cluster Health-NCC result codes and health-check interpretation; NCA Section 4,
"Perform and interpret a health check." Official reference: Nutanix Cluster Check Guide .
NEW QUESTION # 22
On which entity is Replication Factor configured?
Answer: C
NEW QUESTION # 23
An administrator needs to decrease the number of CPUs assigned to a VM.
What is the first step?
Answer: A
Explanation:
The VM must be powered off before the administrator can reduce its CPU allocation. CPU hot-plug capabilities permit supported guest operating systems to receive additional virtual CPU resources while running, but they do not provide a supported mechanism for removing active processors from a powered-on VM. Nutanix documentation states that the number of CPUs cannot be decreased while the VM is powered on.
After shutting down the guest cleanly and confirming that the VM is off, the administrator can edit the VM configuration, reduce the required vCPU count or associated CPU topology, save the change, and restart the VM. The proposed configuration must remain valid-for example, the relationship between sockets, vCPUs, and cores must be supported.
Enabling Hot-Add addresses CPU expansion rather than reduction. Nutanix Guest Tools supplies guest integration and operational capabilities but does not override hypervisor restrictions on CPU removal. A snapshot may be useful as an optional change-control precaution, but it does not make CPU reduction possible and is not the required first step.
The technically necessary action is therefore to power off the VM. Reference: AHV - Virtual Machine Memory and CPU Hot-Plug Configurations . NHCF alignment: modifying VM compute resources and understanding hot-plug limitations.
NEW QUESTION # 24
Refer to the exhibit.
The VM memory-usage graph shows a measured value of approximately 42.95%, with the utilization line remaining inside the blue baseline band.
What should be considered regarding memory usage?
Answer: D
Explanation:
The VM's memory-consumption line remains inside the blue baseline band, so its behavior falls within the learned baseline range. Prism Central uses historical observations and machine-learning analysis to establish the range of values normally expected for an entity and metric. The blue band represents that expected operating range; a value outside the band may be identified as anomalous, depending on duration and deviation.
The displayed value of approximately 42.95% is below 50%, which immediately invalidates option A. More importantly, memory-utilization percentage represents the portion of the VM's allocated memory currently being consumed. It does not mean the host can provide only that percentage of the requested memory, so option C incorrectly interprets utilization as a resource-allocation failure.
The graph also does not provide sufficient evidence to halve the VM's configured memory. Right-sizing requires longer-term utilization, swap activity, workload requirements, peak behavior, and operational policy-not a single observed percentage. Option D therefore recommends an unsupported configuration change.
The correct operational conclusion is limited and precise: the measured behavior is within the VM's learned normal range and is not shown as an anomaly.
NHCF/NCA reference: Prism metrics, behavioral baselines, anomalies, and VM monitoring. Official references: Prism Central Metrics Tab and Cluster Details and Baseline Range .
NEW QUESTION # 25
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