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| Section | Objectives |
|---|---|
| Describe Cluster Configuration and Maintenance | - Identify software maintenance tasks - Identify hardware maintenance tasks - Describe valid cluster options |
| 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 |
| 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 Nutanix Platform Administration | - Describe licensing tasks - Describe virtual machine tasks - Identify virtual networking tasks - Discuss storage operations |
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問題 #67
What Nutanix storage concept consists of groups of physical disks from one or more disk tiers?
答案:D
解題說明:
A Nutanix storage pool is the physical aggregation of disks contributed by the nodes in a cluster. The disks may come from one or more storage tiers, such as NVMe, SSD or HDD, depending on the supported hardware configuration. Each physical storage device belongs to a storage pool, and Nutanix generally recommends a single storage pool per cluster so AOS can optimize capacity and performance across the available devices.
A storage container is a logical subdivision of storage capacity presented from the storage pool.
Administrators apply settings such as compression, deduplication and other storage policies at the container level. Therefore, a container consumes capacity from a pool but is not itself the grouping of physical disks.
A volume group is a collection of virtual disks exposed to one or more VMs or external clients as block storage. "Disk group" is not the Nutanix AOS abstraction defined by the question.
The hierarchy is consequently physical disks, then the storage pool, followed by logical storage containers and workload-facing virtual disks or volume groups.
NHCF/NCA reference: Storage Concepts-AOS storage architecture, storage pools, containers and storage tiers; NCA Section 2, "Discuss storage operations." Official references: Prism 7.5-Storage Components , AOS 7.5-Nutanix Software Configuration .
問題 #68
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?
答案:A
解題說明:
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 .
問題 #69
What is the default time that a Nutanix cluster will run an LCM auto inventory and auto update?
答案:C
解題說明:
The default scheduled time for LCM automatic inventory and automatic update activity is 3:00 AM. This setting is used when Auto Inventory and Auto Update are enabled for a connected site. Administrators can modify the schedule when 3:00 AM does not align with the organization's operational or maintenance requirements.
Automatic inventory refreshes LCM's knowledge of installed software and firmware components and retrieves current update metadata from the configured Nutanix source. Nutanix also specifies that if an inventory operation has already completed within the preceding 12 hours, LCM can skip the scheduled auto- inventory because its component information remains sufficiently current. Automatic update in this setting applies to the supported automatically managed component-particularly Nutanix Cluster Check-rather than authorizing every available AOS, AHV, or firmware upgrade without administrator review.
The other answer choices do not represent the documented default. However, administrators should treat 3:00 AM as a configurable platform default rather than an assumed maintenance window. They must verify the configured schedule, time context, Internet connectivity, and update policy for the specific environment.
NHCF/NCA reference: LCM settings, connected-site configuration, automatic inventory, and automatic NCC updates. Official references: Specifying Connected-Site Settings and LCM Settings for Connected Sites .
問題 #70
How should a license be removed from a cluster for reuse?
答案:B
解題說明:
A cluster must be unlicensed through the License Manager interface when its allocated entitlement needs to be released for reuse. The unlicensing workflow updates the authoritative licensing state and returns the applicable entitlement or capacity to the organization's available license pool. This is the controlled administrative process recognized by Nutanix licensing services.
Disabling licensed features does not remove the license assignment. It changes feature usage or configuration while leaving the entitlement associated with the cluster. Unregistering a cluster from Prism Central only terminates its centralized management relationship; registration and licensing are independent administrative states. A cluster can therefore be unregistered while still consuming licenses. Deleting a locally generated summary file is equally ineffective because the file reports licensing information but does not constitute the authoritative license allocation.
The administrator should verify connectivity and licensing status, open License Manager, select the applicable cluster, and use the unlicense operation. Any required synchronization with the Nutanix licensing service must be allowed to complete before the entitlement is treated as available elsewhere. This is especially important before decommissioning hardware, rebuilding a cluster, or transferring capacity to another Nutanix environment.
NHCF/NCA reference: License types, cluster licensing, entitlement management, and Prism administrative functions. Official references: Nutanix License Manager Guide and Prism Licensing .
問題 #71
Which component is used to present Nutanix storage as iSCSI block targets to external (non-virtualized) servers?
答案:B
解題說明:
A Volume Group is the Nutanix storage component used to present block storage through iSCSI to external clients, including physical or otherwise non-virtualized servers. A Volume Group contains one or more virtual disks and can be attached directly to an AHV VM or exposed through iSCSI to qualified external initiators.
External client access is controlled by defining the relevant initiator information and establishing the iSCSI connection to the Volume Group.
A storage container is a logical storage boundary used for VM data placement and for settings such as replication factor, compression, deduplication, and erasure coding. Although Volume Group data ultimately consumes capacity from a container, the container itself is not presented as an iSCSI block target.
A storage pool aggregates the physical storage resources contributed by cluster nodes. It operates below the storage-container and workload-consumption layers and is not directly assigned to an external server. A vDisk template is also not the external block-presentation object.
The examination distinction is between the underlying storage hierarchy and the consumer-facing block- storage object. Storage pools supply capacity, containers provide logical policy boundaries, and Volume Groups organize vDisks for direct or iSCSI-based attachment.
NHCF/NCA reference: Nutanix storage operations, Volume Groups, external clients, and iSCSI connectivity.
Official references: Storage Components and Volume Group Details .
問題 #72
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