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| Section | Objectives |
|---|---|
| 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 |
| Describe Cluster Configuration and Maintenance | - Identify software maintenance tasks - Identify hardware maintenance tasks - Describe valid cluster options |
| 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 |
| Describe Nutanix Platform Administration | - Discuss storage operations - Describe virtual machine tasks - Describe licensing tasks - Identify virtual networking tasks |
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NEW QUESTION # 29
During cluster expansion, what network requirement must be met for the automatic discovery of new, unassigned factory-prepared nodes to succeed?
Answer: B
Explanation:
Automatic discovery during cluster expansion depends on IPv6 multicast communication between the existing environment and the unassigned factory-prepared nodes. The physical switch must therefore allow the relevant IPv6 multicast packets to traverse the Layer 2 network used for discovery.
Factory-prepared nodes initially use IPv6 link-local addressing and multicast-based discovery so that Prism can locate them before final production addresses and cluster membership are assigned. If IPv6 is disabled on the applicable switch ports, filtered by the network or otherwise unable to pass between the nodes, automatic discovery fails. The administrator may then need to correct the network configuration or use an available manual-discovery procedure.
The requirement is not limited to AHV clusters; supported cluster-expansion workflows also exist for other Nutanix-supported hypervisors. IPv4 multicast is not the specified discovery mechanism. Pre-assigning static production IP addresses is also not required for discovering eligible factory-prepared nodes and may conflict with the intended preparation state.
NHCF/NCA reference: Cluster configuration, node discovery and cluster expansion prerequisites; NCA Section 3, "Describe valid cluster options." Official references: Prism Central 7.5-Cluster Expansion Prerequisites , Prism 7.5-Expanding a Cluster .
NEW QUESTION # 30
A VM is experiencing delays even though its own CPU usage appears low.
Which metric should be checked to identify scheduling issues?
Answer: B
Explanation:
CPU Ready measures the time during which a virtual CPU is prepared to execute but is waiting for the hypervisor to schedule it on a physical processor. A VM can therefore report low apparent CPU consumption while still responding slowly: its workload is not continuously executing because the assigned vCPUs are waiting for physical CPU time.
Elevated CPU Ready commonly indicates physical CPU contention, excessive vCPU allocation, an unfavorable vCPU-to-core ratio, or competition from other VMs on the host. The administrator should correlate CPU Ready with host CPU utilization, VM sizing, the number of runnable vCPUs, and workload behavior. Assigning additional vCPUs without confirming the cause can worsen scheduling delays because the hypervisor may need to coordinate more virtual processors.
Disk capacity measures available storage space and does not identify processor scheduling latency. Memory usage can reveal pressure, swapping, or insufficient guest memory, but it does not directly represent time spent waiting for CPU scheduling. Snapshot size relates to retained point-in-time storage data and is unrelated to hypervisor CPU dispatch. Nutanix identifies CPU Ready Time as the percentage of CPU wait time, making it the appropriate metric. Reference: Nutanix Intelligent Operations - VM Details and CPU Ready Time .
NHCF alignment: workload performance interpretation.
NEW QUESTION # 31
Which component is required to prevent split-brain scenarios on a two-node ROBO cluster?
Answer: B
Explanation:
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.
NEW QUESTION # 32
LCM provides which two features for firmware and software updates? (Choose two.)
Answer: A,D
Explanation:
Life Cycle Manager provides automatic dependency management and a one-click update workflow for supported Nutanix software and hardware firmware. LCM inventories the environment, identifies installed component versions, retrieves compatible update metadata, and evaluates dependencies between components before permitting an upgrade. This prevents administrators from manually determining the correct order for related AOS, AHV, NCC, Foundation, firmware, and platform updates.
Nutanix describes the LCM workflow as a one-click update because administrators can select eligible components and initiate an orchestrated upgrade through Prism. LCM then performs prechecks, stages packages, applies updates in the necessary sequence, and coordinates node maintenance while preserving cluster availability where supported.
A general rollback to the previous software or firmware version is not an LCM feature. Upgrades should therefore be treated as forward-moving maintenance operations that require validated backups, health checks, and compatibility review. Although LCM supports numerous qualified hardware platforms, option C is not the core feature being tested. Platform support depends on the hardware vendor, model, firmware bundle, and Nutanix compatibility requirements; it is not an unrestricted multi-platform update function.
NHCF/NCA reference: LCM inventory, dependency handling, prechecks, and one-click maintenance. Official references: LCM Overview and Recommended Upgrade Order .
NEW QUESTION # 33
Which bond type is the default for newly created AHV clusters?
Answer: B
Explanation:
Active-Backup is the default bond configuration for newly created AHV clusters. In this mode, one physical uplink actively forwards traffic while another eligible uplink remains available as a standby. If the active link fails, AHV moves traffic to the backup link, providing straightforward network redundancy without requiring LACP or a switch-side link-aggregation configuration.
The principal advantage of Active-Backup is operational compatibility. Because only one uplink forwards traffic at a given time, the upstream switch ports do not need to be combined into a link aggregation group.
However, the configuration does not aggregate the bandwidth of multiple physical NICs during normal operation.
Balance-slb provides active-active source load balancing using MAC pinning and can improve aggregate host bandwidth without requiring LACP. Balance-tcp uses active-active LACP and requires matching configuration on the physical switches. Both are deliberately configured alternatives rather than the default.
"No Uplink Bond" would eliminate bond-level redundancy and is not the standard newly created cluster configuration.
NHCF/NCA reference: AHV networking basics, virtual switches, uplinks and bond types; NCA Section 2,
"Identify virtual networking tasks." Official references: Prism 7.5-Network Configuration , Prism Central- Creating a Virtual Switch .
NEW QUESTION # 34
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