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| Section | Objectives |
|---|---|
| Topic 1: Describe Nutanix Platform Administration | - Describe virtual machine administration tasks - Discuss storage operations - Describe licensing tasks - Identify virtual networking tasks |
| Topic 2: Describe Cluster Configuration and Maintenance | - Identify software maintenance tasks - Identify hardware maintenance tasks - Describe supported cluster configuration options |
| Topic 3: Recognize Nutanix Solutions and Tools | - Recognize non-NCI Nutanix technologies, features, and use cases - Recognize Nutanix tools, features, and use cases - Recognize Nutanix Cloud Infrastructure (NCI) technologies, features, and use cases |
| Topic 4: Demonstrate and Understand Platform Health and Monitoring | - Leverage support functions - Perform and interpret health checks - Review and interpret workload performance - Review and interpret alerts and events |
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56. Frage
An administrator needs to quickly deploy multiple VMs with identical configurations in Prism Central.
What is the most efficient approach?
Antwort: C
Begründung:
A VM template provides a controlled master configuration from which administrators can deploy multiple standardized virtual machines. The template preserves the source VM's supported configuration, including its virtual hardware, operating-system disk, and other deployment properties. Prism Central also supports template versioning, allowing administrators to maintain and update the master image without manually rebuilding every new VM.
Snapshots preserve point-in-time VM data and are primarily intended for recovery, cloning, or data-protection workflows; they are not the principal mechanism for repeatedly provisioning standardized VMs. Categories attach metadata to entities for organization, policy assignment, governance, and automation, but they do not contain a deployable VM configuration. Volume groups provide block-storage resources that can be attached to one or more VMs and therefore do not satisfy the requirement for identical complete VM deployments.
Nutanix documentation describes a VM template as a golden image or master copy used to create VMs in Prism Central. Consequently, deploying from a template minimizes configuration variance and administrative effort. Reference: Prism Central 7.5 - VM Template Management . NHCF alignment: VM lifecycle operations and standardized VM provisioning.
57. Frage
What does the Nutanix Remote Support Tunnel allow?
Antwort: C
Begründung:
The Remote Support Tunnel establishes a controlled remote connection through which authorized Nutanix Support personnel can access a cluster and assist with diagnosis and troubleshooting. The customer retains control over whether the tunnel is enabled, and it can be opened for a defined period rather than operating as an unrestricted permanent connection. Nutanix documentation describes the feature as a remote support connection and allows administrators to start the tunnel for a limited duration.
The tunnel is part of the support workflow rather than a workload data service. Moving applications from an on-premises environment to a public cloud is handled through migration products and hybrid-cloud mobility capabilities such as Nutanix Move or Nutanix Cloud Clusters workflows. Replication between sites is provided through protection policies, protection domains, recovery plans, or other disaster-recovery services.
Encryption or isolation between guest VMs is addressed through virtual networking, security policies, and microsegmentation-not the support tunnel.
The decisive distinction is the tunnel's administrative purpose: it gives Nutanix technical support temporary connectivity to investigate cluster problems. Reference: Prism 7.5 - Remote Support Connections . NHCF alignment: leveraging Nutanix support functions and troubleshooting services.
58. Frage
Which Nutanix storage feature reduces space usage by eliminating identical data blocks?
Antwort: C
Begründung:
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 .
59. Frage
On a one-node cluster, which updates are supported with LCM?
Antwort: D
Begründung:
Life Cycle Manager supports software updates on a single-node cluster but does not support firmware updates in that configuration. Firmware maintenance commonly requires hardware components, host services, or the node itself to be restarted. A conventional multi-node cluster can move workloads and maintain storage availability through other nodes while one node undergoes maintenance. A one-node cluster has no alternate node to preserve cluster services during that process.
"Software only" is broader and more accurate than "AOS only." LCM can manage supported Nutanix software components according to the applicable compatibility and upgrade paths; support is not restricted exclusively to AOS. Inventory is also available as an LCM operation, but option B incorrectly implies that inventory is the only supported capability.
The platform restriction is therefore based on update type: software lifecycle operations are supported, while automated firmware updates are excluded because of the unavoidable service interruption and absence of node-level redundancy. Administrators must still confirm component interoperability and supported upgrade paths before initiating any update. Nutanix explicitly states that LCM is supported for software updates on single-node clusters but not for firmware updates. Reference: Prism 7.5 - Single-Node Cluster Requirements and Limitations . NHCF alignment: LCM capabilities, software maintenance, and cluster-specific limitations.
60. Frage
What are two requirements to upgrade Nutanix Guest Tools on a VM? (Choose two.)
Antwort: A,B
Begründung:
The VM must be powered on so that the Nutanix Guest Agent and the guest operating system can participate in the NGT installation or upgrade workflow. The NGT software runs inside the guest, so a powered-off VM cannot execute the installer, communicate status, or complete the upgrade operation.
An available IDE or SATA CD-ROM slot is also required because Prism mounts the Nutanix Guest Tools ISO to the VM during configuration, installation, or upgrade. If the VM's virtual CD-ROM is already occupied by another ISO, the NGT media cannot be attached through the expected workflow. Nutanix documentation therefore requires at least one empty supported CD-ROM device. After installation or reconfiguration, supported versions can automatically eject the mounted NGT media.
A DNS entry is not a universal prerequisite for upgrading NGT. Although functional name resolution may support broader management operations, the upgrade requirement is based on VM power state and the ability to mount the NGT ISO. Powering off the VM directly conflicts with the installation requirement. References:
Prism Central 7.5 - Setting Up NGT and Nutanix Guest Tools Requirements . NHCF alignment: VM guest- tools administration.
61. Frage
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