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| Section | Objectives |
|---|---|
| Topic 1: Describe Cluster Configuration and Maintenance | - Identify software maintenance tasks - Describe supported cluster configuration options - Identify hardware maintenance tasks |
| Topic 2: Describe Nutanix Platform Administration | - Describe virtual machine administration tasks - Describe licensing tasks - Discuss storage operations - Identify virtual networking tasks |
| Topic 3: Demonstrate and Understand Platform Health and Monitoring | - Perform and interpret health checks - Review and interpret alerts and events - Leverage support functions - Review and interpret workload performance |
| Topic 4: Recognize Nutanix Solutions and Tools | - Recognize Nutanix Cloud Infrastructure (NCI) technologies, features, and use cases - Recognize Nutanix tools, features, and use cases - Recognize non-NCI Nutanix technologies, features, and use cases |
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NEW QUESTION # 26
What would cause storage compression to become automatically disabled?
Answer: A
Explanation:
Nutanix AOS automatically disables compression when metadata usage becomes high. The Prism 7.5 storage documentation explicitly identifies this condition and states that an alert is generated when automatic disablement occurs. Consequently, option D is the verified answer, replacing the supplied answer A.
Compression requires AOS metadata resources to track compressed extents and the associated data layout. If metadata consumption reaches a protective threshold, continuing compression could place additional pressure on the metadata services required for normal storage operation. AOS therefore prioritizes platform stability and metadata availability by disabling compression and notifying the administrator. The corresponding health alert should be investigated to determine why metadata usage has increased and whether workload characteristics or another storage condition requires remediation.
High write activity may increase storage workload and influence when post-process compression can execute, but it is not the documented automatic-disable trigger in this question. High reads similarly do not directly cause compression to be disabled. High physical-capacity consumption generates its own capacity warnings and corrective requirements but is distinct from the metadata threshold governing compression.
NHCF/NCA reference: Storage Concepts-capacity optimization, compression and storage-container administration; NCA Section 2, "Discuss storage operations." Official references: Prism 7.5-Compression , Prism 7.5-Storage Alert Reference .
NEW QUESTION # 27
Which bond type provides the best utilization of multiple physical NICs for VM traffic throughput?
Answer: D
Explanation:
Balance-tcp provides active-active link utilization through Link Aggregation Control Protocol and is the strongest choice when the objective is to maximize aggregate VM traffic throughput across multiple physical NICs. The mode distributes traffic using flow information, allowing separate TCP flows-including flows originating from the same VM-to use different physical uplinks. This can increase host and VM bandwidth utilization beyond the capacity of a single uplink when sufficient parallel traffic flows exist.
Balance-tcp requires the corresponding physical-switch ports to be configured as a compatible LACP link aggregation group. The AHV bond and upstream switch configuration must agree; otherwise, connectivity or traffic-distribution failures can occur.
Active-Backup uses only one uplink for forwarding while the other remains available for failover, providing redundancy but not simultaneous bandwidth utilization. Balance-slb is also an active-active mode and does not require switch-side LACP, but its source-load-balancing behavior generally associates traffic sources with particular uplinks and cannot distribute an individual flow across links. "No Uplink Bond" supplies neither link aggregation nor bond-level redundancy.
NHCF/NCA reference: Networking-AHV virtual switches, uplink bonds and physical-network connectivity; NCA Section 2, "Identify virtual networking tasks." Official references: Prism Central-Creating a Virtual Switch , AHV Networking Recommendations .
NEW QUESTION # 28
An administrator needs to take an immediate snapshot of a single VM.
How should the administrator complete this task?
Answer: A
Explanation:
A manual, immediate snapshot of an individual VM is created from the VM dashboard in Prism Element. The administrator opens the VM table, selects the target VM and invokes the Take Snapshot action. Prism then creates a point-in-time snapshot containing the VM configuration and the supported virtual-disk state.
This procedure is appropriate when the requirement concerns one VM and the snapshot must be taken immediately. Prism Central Data Protection is used for broader protection policies, recovery points, protection schedules and multi-cluster disaster-recovery operations. Those capabilities are valuable for recurring or policy-based protection but are not the direct manual workflow described in the question.
Connecting to a Controller VM is unnecessary and would bypass the supported administrative interface. The Prism Central Images service manages deployable disk images, ISO files and VM image resources; an image is not a point-in-time snapshot of a running VM.
For application-consistent protection, additional guest-side preparation such as Nutanix Guest Tools may be required. A standard manual snapshot, however, is initiated through the selected VM's Prism Element actions.
NHCF/NCA reference: VM Management-VM dashboard, VM lifecycle tasks, snapshots and recovery points; NCA Section 2, "Describe VM tasks." Official references: Prism 7.5-Creating a VM Snapshot Manually , Prism 7.5-Managing an AHV VM .
NEW QUESTION # 29
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: C
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 # 30
Which bond type is the default for newly created AHV clusters?
Answer: D
Explanation:
Active-Backup is the default bond configuration for newly created AHV clusters. In this mode, one physical uplink actively forwards traffic while another eligible uplink remains available as a standby. If the active link fails, AHV moves traffic to the backup link, providing straightforward network redundancy without requiring LACP or a switch-side link-aggregation configuration.
The principal advantage of Active-Backup is operational compatibility. Because only one uplink forwards traffic at a given time, the upstream switch ports do not need to be combined into a link aggregation group.
However, the configuration does not aggregate the bandwidth of multiple physical NICs during normal operation.
Balance-slb provides active-active source load balancing using MAC pinning and can improve aggregate host bandwidth without requiring LACP. Balance-tcp uses active-active LACP and requires matching configuration on the physical switches. Both are deliberately configured alternatives rather than the default.
"No Uplink Bond" would eliminate bond-level redundancy and is not the standard newly created cluster configuration.
NHCF/NCA reference: AHV networking basics, virtual switches, uplinks and bond types; NCA Section 2,
"Identify virtual networking tasks." Official references: Prism 7.5-Network Configuration , Prism Central- Creating a Virtual Switch .
NEW QUESTION # 31
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