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| Section | Objectives |
|---|---|
| Describe Cluster Configuration and Maintenance | - Describe valid cluster options - Identify hardware maintenance tasks - Identify software maintenance tasks |
| Demonstrate and Understand Platform Health and Monitoring | - Review and interpret workload performance - Perform and interpret a health check - Review and interpret alerts and events - Leverage support functions |
| Describe Nutanix Platform Administration | - Describe virtual machine tasks - Identify virtual networking tasks - Describe licensing tasks - Discuss storage operations |
| Recognize Nutanix Solutions and Tools | - Recognize non-Nutanix Cloud Infrastructure (NCI) solutions, use cases, and features - Recognize use cases and features of Nutanix tools - Recognize Nutanix solutions, use cases, and features of Nutanix Cloud Infrastructure (NCI) technologies |
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問題 #54
In a Nutanix cluster where compute nodes run ESXi, which hypervisor is required on storage-only nodes added to the cluster?
答案：C
解題說明：
A Nutanix storage-only node operates with AHV even when the hyperconverged compute nodes in the same cluster use VMware ESXi. The storage-only node contributes storage capacity and runs the Controller VM and required Nutanix services, but it does not host ordinary user VMs. Using AHV on the storage-only node preserves compatibility with the Nutanix storage-only architecture and avoids requiring an additional third- party hypervisor licence solely for a node that supplies storage.
This creates a supported mixed-hypervisor cluster configuration: ESXi remains on the compute-capable HCI nodes, while AHV runs on the storage-only nodes. Administrators must observe the documented restrictions for cluster expansion, network segmentation, maintenance, and workload placement in this configuration.
User workloads remain on the ESXi compute nodes because the AHV storage-only nodes are not available as general VM execution targets.
Hyper-V is not used for this ESXi storage-only-node design. Although AHV is based on KVM technology, the supported Nutanix hypervisor product and configuration is specifically AHV, making generic KVM an incorrect selection. Reference: Prism 7.5 - Storage-Only Nodes . NHCF alignment: compute-only and storage- only node configurations.
問題 #55
Which task must be performed first when preparing to upgrade an Internet-connected Nutanix cluster using Life Cycle Manager?
答案：B
解題說明：
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 .
問題 #56
Which Nutanix support case priority level is used for a non-critical loss of use with medium to low impact?
答案：B
解題說明：
Nutanix classifies this condition as Priority 3, or P3. The official support definition describes P3 as a normal- priority case involving a minor inconvenience or an occasional, non-critical issue that requires resolution but has not materially reduced productivity. Its defining language includes: "A non-critical loss of use with medium to low impact." A short-term workaround is generally available.
P1 is reserved for emergency conditions in which production systems are unavailable or unusable, critical functionality is down, significant data loss is occurring or threatened, and no procedural workaround exists.
P2 applies when production remains available but experiences major degradation or the loss of important functionality, materially affecting part of the organization's operations. P4 covers low-impact informational requests, including questions about documentation, procedures, configuration, or account setup.
The scenario uses the defining P3 wording rather than merely describing a general support question. It therefore cannot be reduced to P4, while its non-critical and limited-impact characteristics exclude P1 and P2.
The correct priority is C. Reference: Nutanix Support Policies and Priority Definitions . NHCF alignment:
support-case creation, priority selection, and effective escalation practices.
問題 #57
Before a cluster with active licenses is decommissioned, what must be done to ensure the licenses are available to be applied to a new cluster?
答案：A
解題說明：
The active licenses must be reclaimed before the cluster is destroyed. Reclaiming or unlicensing the cluster releases its assigned entitlement so that the available capacity can be applied to another qualified Nutanix cluster. Nutanix explicitly lists license reclamation as a prerequisite for cluster destruction.
Destroying a cluster without first reclaiming its licenses can leave the entitlement associated with a cluster that no longer exists. The licenses are not guaranteed to return automatically merely because the underlying nodes were reimaged, removed, or decommissioned. This can prevent the organization from assigning the purchased capacity to the replacement environment and may require licensing remediation.
The proper workflow is to verify the cluster's current licensing state, use License Manager to reclaim or unlicense the applicable entitlement, confirm that the capacity has returned to the available license inventory, and only then proceed with cluster destruction. Nutanix Support may assist when a cluster is already inaccessible or was destroyed without reclamation, but contacting Support is not the standard required workflow.
Nutanix licenses are generally reusable and portable according to their applicable terms, so option C is also incorrect.
NHCF/NCA reference: License reclamation, cluster decommissioning, and License Manager. Official references: Destroying a Cluster and License Manager Guide .
問題 #58
Which component is required to prevent split-brain scenarios on a two-node ROBO cluster?
答案：D
解題說明：
A two-node cluster lacks the natural majority available in a conventional cluster containing three or more voting members. If communication between its two nodes is interrupted, each node could otherwise interpret the other node as failed and attempt to continue independently. That condition creates a split-brain risk because both sides could consider themselves authoritative.
The external Witness VM supplies the independent arbitration required for the two-node configuration. It is deployed in a separate failure domain and maintains communication with the cluster. During a node or communication failure, witness participation allows the cluster to distinguish the surviving authoritative side and avoid both nodes independently continuing cluster operations. Separating the witness from the two data- bearing nodes is critical because placing all voting components in the same failure domain would undermine the tie-breaking design.
Prism Element is the local cluster-management interface, while Prism Central provides centralized management across clusters. Neither substitutes for an independent quorum witness. Foundation Central supports centralized discovery and deployment activities and does not arbitrate two-node cluster ownership.
Nutanix documentation identifies the external Witness VM as part of the supported two-node ROBO configuration. References: Prism 7.5 - Two-Node Clusters and Witness for Two-Node Clusters . NHCF alignment: valid cluster configurations, availability, and failure handling.
問題 #59
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NCA-7.5學習資料: https://www.kaoguti.com/NCA-7.5_exam-pdf.html