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| Section | Objectives |
|---|---|
| Describe Cluster Configuration and Maintenance | - Identify hardware maintenance tasks - Describe supported cluster configuration options - Identify software maintenance tasks |
| Recognize Nutanix Solutions and Tools | - Recognize Nutanix tools, features, and use cases - Recognize Nutanix Cloud Infrastructure (NCI) technologies, features, and use cases - Recognize non-NCI Nutanix technologies, features, and use cases |
| Describe Nutanix Platform Administration | - Describe virtual machine administration tasks - Discuss storage operations - Identify virtual networking tasks - Describe licensing tasks |
| Demonstrate and Understand Platform Health and Monitoring | - Perform and interpret health checks - Review and interpret workload performance - Review and interpret alerts and events - Leverage support functions |
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NEW QUESTION # 18
Which Nutanix storage feature reduces space usage by eliminating identical data blocks?
Answer: B
Explanation:
Deduplication reduces storage consumption by identifying duplicate data blocks and consolidating them so that redundant physical copies do not need to be retained. AOS uses fingerprints to recognize eligible duplicate blocks. Capacity deduplication applies this process to persistent data within a storage container, reducing the physical space consumed by workloads containing substantial repeated content.
Compression is different: it encodes a data block into a smaller representation but does not eliminate identical blocks by replacing them with a shared instance. Erasure Coding reduces the storage overhead associated with maintaining replicated cold data by substituting parity information for certain redundant copies. It is a resilience and capacity-efficiency mechanism, not duplicate-block elimination. Capacity Tiering concerns placement across storage tiers and does not consolidate identical content.
Deduplication should be enabled selectively because fingerprint generation and metadata processing introduce overhead. It is most beneficial for workloads with significant duplicate data, such as appropriate persistent- desktop or full-clone environments. Workloads already using space-efficient Nutanix clones may receive limited additional benefit.
The defining phrase in the question is "eliminating identical data blocks," which is the standard function of deduplication.
NHCF/NCA reference: AOS storage efficiency, capacity deduplication, compression, and erasure coding.
Official references: Deduplication and Storage Components .
NEW QUESTION # 19
What do Nutanix Field Advisories communicate to customers?
Answer: A
Explanation:
Nutanix Field Advisories communicate technically significant issues identified in deployed environments. An advisory typically describes the affected products or versions, the conditions under which the issue occurs, its potential operational impact and any available workaround, mitigation or permanent resolution. Option D therefore represents the advisory's purpose accurately.
Field Advisories are part of the operational knowledge used by Nutanix Support and Insights. Insights discoveries can compare cluster telemetry and configuration information against known Field Advisories to determine whether a particular environment may be exposed. Where possible, the resulting discovery includes recommended corrective action or directs the administrator to the relevant upgrade, configuration change or support process.
Product announcements and pricing information are commercial communications, not Field Advisories.
Certified hardware information is maintained through compatibility lists and platform qualification resources.
New-cluster installation procedures belong in Foundation, deployment and installation documentation.
Administrators should review applicable Field Advisories during routine health reviews and before major maintenance because an advisory can affect upgrade selection, risk assessment and remediation priority.
NHCF/NCA reference: Support Portal, Insights, advisories and proactive support functions; NCA Section 4,
"Leverage support functions." Official references: Support Portal Insights Discovery Overview , Nutanix Insights and Support Knowledge .
NEW QUESTION # 20
Which component is used to present Nutanix storage as iSCSI block targets to external (non-virtualized) servers?
Answer: A
Explanation:
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 .
NEW QUESTION # 21
In a 2-node cluster, which configuration option is supported?
Answer: D
Explanation:
Compression is supported on a Nutanix two-node cluster. Compression reduces physical capacity consumption by encoding eligible data more efficiently before it is retained in the distributed storage fabric. It remains available because its operation does not require the additional node count or data-placement structure demanded by certain other storage-efficiency features.
Nutanix explicitly identifies deduplication as unsupported for the two-node configuration while stating that compression is supported. Cluster expansion is also not a supported scale-out path for a cluster originally created as a two-node cluster. If a larger cluster is required, the environment must be designed and deployed as the appropriate multi-node configuration rather than treating the two-node deployment as an incrementally expandable starting point.
Two-node clusters also have specialized architecture. They use RF2 across the nodes and require a Witness VM in a separate failure domain to resolve leadership when communication between the two nodes is lost.
The Witness does not contain workload data; it provides quorum-related arbitration during applicable failures.
Network configuration is similarly subject to two-node guidelines and limitations, making Network Segmentation an incorrect selection in this answer set.
The question tests recognition that a two-node cluster retains selected AOS capabilities but is not functionally identical to a conventional three-node-or-larger cluster.
NHCF/NCA reference: Two-node cluster capabilities, limitations, Witness operation, and storage efficiency.
Official references: Two-Node Clusters and Two-Node Cluster Guidelines .
NEW QUESTION # 22
What represents the smallest unit of virtualized data?
Answer: A
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 # 23
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