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| Section | Objectives |
|---|---|
| Topic 1: 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 2: Describe Nutanix Platform Administration | - Basic virtual networking configuration - Storage operations and licensing management - Virtual machine management tasks |
| Topic 3: Demonstrate and Understand Platform Health and Monitoring | - Alerts, events, and performance monitoring - Cluster health checks and resiliency status - Support case creation and diagnostic tools |
| Topic 4: Describe Cluster Configuration and Maintenance | - Software updates and Life Cycle Management (LCM) - Hardware maintenance procedures - Valid cluster configuration options |
私たちNutanixが提供するNCA-7.5クイズトレントは、理論と実践の最新の開発に基づいた深い経験を持つ専門家によってコンパイルされているため、非常に価値があります。 製品を購入する前に、まず製品を試してください。 It-PassportsのNCA-7.5試験の合格に役立つだけでなく、時間とエネルギーを節約できるため、NCA-7.5試験準備を購入する価値があります。 お客様の満足が私たちのサービスの目的です。NCA-7.5クイズトレントを簡単にNutanix Certified Associate (NCA) 7.5 Exam購入してください。
質問 # 83
Which protocols does the Network Visualizer leverage to discover and display network connections and statistics?
正解：D
解説：
Nutanix Network Visualizer uses Link Layer Discovery Protocol or Cisco Discovery Protocol to determine the relationship between an AHV host interface and the corresponding first-hop physical-switch port. It can then use configured SNMP access to retrieve additional switch, port and operational statistics. The combined protocol set in option C therefore enables both topology discovery and the display of useful physical-network information.
LLDP is vendor-neutral, while CDP is primarily associated with Cisco networking equipment. Either protocol can advertise the local port identity needed to construct the topology mapping. SNMP supplements that discovery by providing management-plane information obtained from supported switches. Nutanix documentation notes that when LLDP or CDP information is unavailable, SNMP data may be used to assist mapping, although complete and accurate visualization depends on supported devices and appropriate configuration.
BGP and OSPF exchange routing information; they are not the protocol set used by Network Visualizer for host-to-switch discovery. DHCP and PXE provide address allocation and network boot services. STP prevents Layer 2 loops, while VTP distributes VLAN information in certain Cisco environments.
NHCF/NCA reference: Networking-monitoring networks in Prism Element and Prism Central; NCA Section 2, "Identify virtual networking tasks." Official reference: Prism 7.5-Network Visualization Prerequisites .
質問 # 84
Which statement best describes the requirement for migrating a vDisk between storage containers in Nutanix AOS?
正解：D
解説：
AOS supports live vDisk migration between storage containers while the vDisk remains attached to a powered-on guest VM. The VM does not need to be shut down or deleted. This capability allows administrators to move individual vDisks or all eligible vDisks associated with a VM to a container providing different storage settings.
Storage-container properties can include replication factor, encryption, compression, deduplication, and erasure coding. Migrating a vDisk to another container is therefore a controlled method of changing the storage characteristics applied to that disk without interrupting the running workload.
The operation does not require cluster maintenance mode, and existing snapshots do not universally need to be deleted. However, important restrictions apply. Migration cannot proceed when an applicable Prism Central storage policy is configured for the associated VM. Protected VMs may also need to be removed from their protection domain or protection policy before migration. The target container must have sufficient free capacity, and operations such as cloning, resizing, or taking new snapshots may be blocked while migration is active.
The essential requirement tested is that the VM may remain powered on during the storage-container migration.
NHCF/NCA reference: Storage operations, vDisk placement, storage containers, and live migration. Official references: Live vDisk Migration , Migrating a vDisk , and Storage Policy Limitation .
質問 # 85
LCM provides which two features for firmware and software updates? (Choose two.)
正解：B、D
解説：
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 .
質問 # 86
An administrator has identified and resolved a critical alert on the health dashboard.
What should the administrator do to confirm the alert/issue has been resolved?
正解：D
解説：
The administrator should rerun the relevant Nutanix Cluster Check after completing the corrective action.
NCC evaluates cluster configuration, services, hardware and operational conditions against Nutanix-defined health criteria. A new PASS or appropriate INFO result provides technical confirmation that the underlying condition no longer exists.
Refreshing the Prism Element dashboard only reloads the displayed information. It does not independently retest the component or service that generated the alert. Deleting an email notification has no effect on the alert or cluster state. Manually marking an alert as resolved changes its administrative status but does not prove that the underlying fault has been corrected. Doing so without validation could conceal an active problem.
If the rerun produces WARN, FAIL or ERR rather than PASS or INFO, the administrator must review the new output and continue remediation. For a narrowly scoped issue, the relevant NCC check can be selected; a broader health review may justify running the complete NCC suite.
NHCF/NCA reference: Cluster Health-running NCC, interpreting results and validating remediation; NCA Section 4, "Perform and interpret a health check." Official references: Prism 7.5-Running NCC , Prism 7.5- Health Monitoring .
質問 # 87
An administrator wants Prism Central to display CPU utilization for five virtual machines over the past 24 hours.
Which chart type should be used?
正解：A
解説：
A Metric Chart is designed to display one selected performance metric across one or more entities. In this scenario, CPU utilization is the single metric, while the five virtual machines are the multiple entities being compared. The chart's time range can be set to the previous 24 hours so that utilization trends and differences among the VMs are visible over a common interval.
Nutanix distinguishes a Metric Chart from an Entity Chart by what remains constant. A Metric Chart fixes the metric and permits multiple entities. An Entity Chart fixes the entity and displays one or more metrics for that entity. Therefore, if the administrator wanted to examine CPU utilization, memory utilization, IOPS, and network throughput for one VM, an Entity Chart would be appropriate. That is not the requirement presented here.
A Gantt chart represents task duration or scheduled activity along a timeline and is not the Prism performance- comparison chart for this use case. A pie chart represents composition at a point in time and is unsuitable for displaying historical CPU behavior across a 24-hour period.
The determining relationship is therefore one metric-CPU utilization-mapped to five VM entities, which directly matches the Metric Chart definition.
NHCF/NCA reference: Prism analysis, performance monitoring, entity selection, metrics, and time-range configuration. Official references: Prism 7.5 Analysis Dashboard and Creating a Metric Chart .
質問 # 88
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