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| Section | Objectives |
|---|---|
| Topic 1: Recognize Nutanix Solutions and Tools | - Nutanix solutions, use cases, and features of Nutanix Cloud Infrastructure (NCI) Technologies - Use cases and features of Nutanix management and operational tools |
| Topic 2: Describe Cluster Configuration and Maintenance | - Hardware maintenance procedures - Valid cluster configuration options - Software updates and Life Cycle Management (LCM) |
| Topic 3: 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 4: Describe Nutanix Platform Administration | - Storage operations and licensing management - Basic virtual networking configuration - Virtual machine management tasks |
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NEW QUESTION # 86
Which security option should be implemented to ensure that all intra-cluster communication is secured?
Answer: B
Explanation:
Network Encryption is the security control directed at protecting data while it traverses the network between Nutanix cluster components. It provides cryptographic confidentiality and integrity for supported intra-cluster traffic, preventing captured traffic from being interpreted or modified without detection. In AOS 7.5, the documented intra-cluster data-in-transit encryption capability specifically covers Stargate storage traffic.
Accordingly, the examination wording should be interpreted as asking which option cryptographically secures intra-cluster communications, for which Network Encryption is the only valid choice.
Network Segmentation serves a different purpose. It isolates traffic categories-such as management, backplane, or replication traffic-onto separate networks. Segmentation can reduce exposure and limit broadcast or failure domains, but isolated traffic is not necessarily encrypted. Cluster Lockdown restricts administrative access, particularly access paths involving hosts and Controller VMs; it does not encrypt packets moving between cluster services. "vSwitch Lockdown" is not the relevant Nutanix data-in-transit security mechanism.
The decisive distinction is therefore encryption versus isolation or access restriction. If the requirement is that intercepted traffic must remain unreadable, an encryption capability is required. Segmentation may complement that control, but cannot replace it.
NHCF/NCA reference: Nutanix security architecture, data-in-transit protection, and cluster network configuration. Official references: Data-in-Transit Encryption and Segmented Network Traffic Types .
NEW QUESTION # 87
A VM is experiencing delays even though its own CPU usage appears low.
Which metric should be checked to identify scheduling issues?
Answer: A
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 # 88
During cluster expansion, what network requirement must be met for the automatic discovery of new, unassigned factory-prepared nodes to succeed?
Answer: C
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 # 89
An administrator needs to configure cluster fault tolerance of 1N & 1D.
How many nodes must the cluster have for this task?
Answer: D
Explanation:
The 1N & 1D cluster fault-tolerance level is supported on a three-node cluster. It is designed to maintain access to data when one complete node and one additional disk fail concurrently, provided that the failures and remaining resources satisfy the documented resiliency conditions. To achieve this protection level, the platform configures replication factor 3 for the relevant data and maintains three metadata copies.
This configuration is distinct from standard 1N/1D fault tolerance, which protects against either one node failure or one disk failure and normally uses data replication factor 2. The ampersand in 1N & 1D is technically significant because it indicates simultaneous node-and-disk protection.
A two-node cluster uses a separate witness-based architecture and cannot provide this three-node 1N & 1D configuration. Nutanix documentation identifies three as both the required and supported node count for this specific fault-tolerance mode. Larger conventional clusters use their applicable fault-tolerance configurations rather than treating 1N & 1D as an arbitrary scalable setting.
Administrators must also verify that the cluster has sufficient resilient capacity before enabling the higher protection level. References: Prism 7.5 - One Node and One Disk Cluster Fault Tolerance and Cluster Fault Tolerance .
NEW QUESTION # 90
When migrating ESXi VMs to an AHV-based cluster using Nutanix Move, what should be in place to ensure a successful migration?
Answer: B
Explanation:
Nutanix Move requires VMware Tools to be installed and current on guest VMs for supported ESXi-to-AHV migration workflows. VMware Tools provides guest-level information and operations needed during migration preparation and cutover. Its services support tasks such as obtaining guest details, coordinating shutdown or restart actions, and completing supported guest-side preparation.
Placing ESXi hosts in maintenance mode would normally evacuate or stop workloads and is not a standard migration prerequisite. Move is designed to migrate selected running workloads while the source infrastructure remains operational until cutover. Option C is incorrect because official Move requirements specify virtual hardware version 7 or later for the relevant support condition, not version 9 or later. Option D is also too restrictive: supported Move releases accommodate documented ESXi versions beyond only the 7.x family, subject to the current compatibility matrix.
Administrators must also verify network reachability, credentials, guest-operating-system support, source and target compatibility, and adequate target resources. However, among the choices, the explicit guest requirement is current VMware Tools. Reference: Nutanix Move 6.2 - Requirements . NHCF alignment:
Nutanix Move prerequisites, cross-hypervisor migration, and workload preparation.
NEW QUESTION # 91
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