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| Section | Objectives |
|---|---|
| Topic 1: Demonstrate and Understand Platform Health and Monitoring | - Alerts, events, and performance monitoring - Support case creation and diagnostic tools - Cluster health checks and resiliency status |
| Topic 2: Describe Nutanix Platform Administration | - Basic virtual networking configuration - Storage operations and licensing management - Virtual machine management tasks |
| Topic 3: 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 4: Describe Cluster Configuration and Maintenance | - Hardware maintenance procedures - Software updates and Life Cycle Management (LCM) - Valid cluster configuration options |
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NEW QUESTION # 69
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: D
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 # 70
An administrator needs to quickly deploy multiple VMs with identical configurations in Prism Central.
What is the most efficient approach?
Answer: D
Explanation:
A VM template provides a controlled master configuration from which administrators can deploy multiple standardized virtual machines. The template preserves the source VM's supported configuration, including its virtual hardware, operating-system disk, and other deployment properties. Prism Central also supports template versioning, allowing administrators to maintain and update the master image without manually rebuilding every new VM.
Snapshots preserve point-in-time VM data and are primarily intended for recovery, cloning, or data-protection workflows; they are not the principal mechanism for repeatedly provisioning standardized VMs. Categories attach metadata to entities for organization, policy assignment, governance, and automation, but they do not contain a deployable VM configuration. Volume groups provide block-storage resources that can be attached to one or more VMs and therefore do not satisfy the requirement for identical complete VM deployments.
Nutanix documentation describes a VM template as a golden image or master copy used to create VMs in Prism Central. Consequently, deploying from a template minimizes configuration variance and administrative effort. Reference: Prism Central 7.5 - VM Template Management . NHCF alignment: VM lifecycle operations and standardized VM provisioning.
NEW QUESTION # 71
An administrator needs to decrease the number of CPUs assigned to a VM.
What is the first step?
Answer: C
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 # 72
Which Nutanix storage feature reduces space usage by eliminating identical data blocks?
Answer: D
Explanation:
Deduplication reduces storage consumption by identifying duplicate data blocks and consolidating them so that redundant physical copies do not need to be retained. AOS uses fingerprints to recognize eligible duplicate blocks. Capacity deduplication applies this process to persistent data within a storage container, reducing the physical space consumed by workloads containing substantial repeated content.
Compression is different: it encodes a data block into a smaller representation but does not eliminate identical blocks by replacing them with a shared instance. Erasure Coding reduces the storage overhead associated with maintaining replicated cold data by substituting parity information for certain redundant copies. It is a resilience and capacity-efficiency mechanism, not duplicate-block elimination. Capacity Tiering concerns placement across storage tiers and does not consolidate identical content.
Deduplication should be enabled selectively because fingerprint generation and metadata processing introduce overhead. It is most beneficial for workloads with significant duplicate data, such as appropriate persistent- desktop or full-clone environments. Workloads already using space-efficient Nutanix clones may receive limited additional benefit.
The defining phrase in the question is "eliminating identical data blocks," which is the standard function of deduplication.
NHCF/NCA reference: AOS storage efficiency, capacity deduplication, compression, and erasure coding.
Official references: Deduplication and Storage Components .
NEW QUESTION # 73
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 # 74
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