NCA-7.5 Exam Prep - NCA-7.5 Study Guide - NCA-7.5 Pass Test

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Nutanix NCA-7.5 Exam Syllabus Topics:

SectionObjectives
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
Describe Nutanix Platform Administration- Virtual machine management tasks
- Storage operations and licensing management
- Basic virtual networking configuration
Describe Cluster Configuration and Maintenance- Valid cluster configuration options
- Software updates and Life Cycle Management (LCM)
- Hardware maintenance procedures
Demonstrate and Understand Platform Health and Monitoring- Support case creation and diagnostic tools
- Cluster health checks and resiliency status
- Alerts, events, and performance monitoring

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Nutanix Certified Associate (NCA) 7.5 Exam Sample Questions (Q58-Q63):

NEW QUESTION # 58
Which Nutanix solution provides microsegmentation and application-centric security policies for VMs?

Answer: A

Explanation:
Flow Network Security provides application-centric microsegmentation and distributed security-policy enforcement for Nutanix workloads. It uses categories and application context to define which workloads may communicate, rather than depending exclusively on static IP addresses or physical VLAN boundaries.
Policies can follow VMs as they move or scale within supported Nutanix environments.
Microsegmentation limits east-west communication between application components and reduces the potential lateral movement of malware or unauthorized users. Administrators can define policies for application tiers, environments, user groups and isolation requirements, then manage those policies centrally through Prism Central. Flow Network Security also provides traffic visualization and policy-monitoring capabilities before enforcement.
AHV supplies the virtualization and host-compute layer but is not, by itself, the security-policy product identified by the question. AOS provides distributed storage, resilience and data services. Nutanix Disaster Recovery manages workload protection, replication and recovery rather than distributed microsegmentation.
NHCF/NCA reference: Nutanix Cloud Infrastructure solutions, networking and security capabilities; NCA Section 1, "Recognize Nutanix solutions, use cases and features of NCI technologies." Official references:
Flow Network Security , Nutanix Flow .


NEW QUESTION # 59
When creating a new VLAN, what should be specified as the VLAN ID if a network interface uses the Native VLAN?

Answer: A

Explanation:
In Nutanix AHV network configuration, VLAN ID 0 represents the native or untagged VLAN. Therefore, when a VM network interface must communicate through the native VLAN on the connected physical-switch port, the administrator specifies VLAN ID 0 while creating the VLAN-backed virtual network.
The native VLAN carries Ethernet frames without a conventional 802.1Q VLAN tag across the applicable switch connection. Nutanix uses the value 0 as the administrative representation for this untagged behavior. It does not mean that an ordinary production VLAN numbered zero is being created on the physical switch. The physical switch port and AHV uplink configuration must still agree on which traffic is treated as native or untagged.
VLAN ID 1 is commonly a switch default but is not Nutanix's required value for designating native-VLAN behavior. VLAN 255 is an otherwise ordinary numerical VLAN identifier and has no special native-VLAN meaning. VLAN 4096 is outside the usable IEEE 802.1Q VLAN range; Nutanix accepts VLAN identifiers through 4094 for normal tagged VLAN configurations.
NHCF/NCA reference: Networking-AHV networking terminology, VLAN-backed virtual networks and virtual network configuration; NCA Section 2, "Identify virtual networking tasks." Official reference: Prism
7.5-Creating a Basic VLAN Subnet .


NEW QUESTION # 60
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: A

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 # 61
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: A

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 # 62
What represents the smallest unit of virtualized data?

Answer: D

Explanation:
Among the listed components, a vDisk is the smallest storage object directly presented through the virtualization layer for use by a VM. A vDisk is created inside a storage container and appears to the guest as an attached disk device. A VM may contain several vDisks for its operating system, application binaries, databases, logs, or other data.
A storage pool is a higher-level aggregation of physical storage resources contributed by cluster nodes. A storage container is a logical subdivision of a storage pool that holds vDisks and applies relevant storage settings. Multiple containers can use the same underlying pool resources. The Extent Store is an AOS storage- layer repository or component used to persist data extents on each node; it is not a user-facing unit of virtualized data.
Although AOS internally divides vDisk data into extents and extent groups, neither "extent" nor "extent group" appears as an answer choice. "Extent Store" refers to the service or repository managing those structures, not the virtualized data object exposed to a workload. Consequently, vDisk is the correct answer within the documented storage hierarchy. Reference: Prism Central - Storage Components . NHCF alignment: storage pools, containers, and virtual disks.


NEW QUESTION # 63
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