The Nutanix Certified Associate NCA v6.10 (NCA-6.10)

Replication Factor (RF) defines the number of copies of data stored in a Nutanix cluster. RF2 ensures two copies of data, and RF3 ensures three copies. This redundancy allows the system to maintain data integrity and recoverability even in the event of hardware failures.

A. It limits the scope of hardware failures during recovery operations: Incorrect, as RF focuses on data replication, not limiting failure scopes.

B. It ensures that multiple copies of data are available for recovery: Correct, as RF directly relates to data redundancy and recovery capabilities.

C. It accelerates data transfer to remote backup sites: Incorrect, as RF does not affect remote backup speed.

D. It reduces the need for offsite backup solutions: Incorrect, as RF works within the cluster, not as a replacement for offsite backups.

The correct answer is A. Select the Auto resolve alerts checkbox and click Save.

When an alert policy is configured based on a static threshold , it will generate an alert each time the condition is met unless it has been auto-resolved or manually acknowledged. By enabling Auto resolve alerts , the system will automatically clear the alert once the metric falls back within the acceptable range. This prevents duplicate alerts when the threshold is exceeded repeatedly within a short timeframe (e.g., multiple times over 48 hours).

Explanation of Incorrect Options:

B (Disable policy): Not scalable or operationally sound.

C (Ignore anomalies): Applies only to behavioral anomalies, not static thresholds.

D (Trigger duration): Increases delay before alerting but does not suppress repeated alerts.

UI Location in Image:

✔ “Auto resolve alerts” is visible just below "Impact Type."

Official Reference:

Nutanix Prism Central Guide – Alert Policies

Excerpt: “Enable ‘Auto resolve alerts’ to ensure alerts are cleared automatically once conditions normalize, avoiding duplicate alerts.”

When using the LCM (Life Cycle Manager) Dark Site procedure, the LCM Framework should be checked and upgraded first. The LCM Framework is the core component responsible for orchestrating updates for other Nutanix software components. Ensuring the framework is up to date guarantees compatibility and reliability during subsequent upgrades.

A. MSP: Incorrect, as MSP (Managed Service Provider) is not directly related to the LCM Dark Site procedure.

B. Foundation: Incorrect, as Foundation is used for initial cluster deployment, not for lifecycle management.

C. NCC: While NCC is critical for health checks, it does not need to be updated first in the LCM process.

D. LCM Framework: Correct, as it manages the update process and must be updated first.

On a newly deployed AHV cluster, the default uplink bond type for the virtual switch (vs0) is Balance-SLB (Source Load Balancing) . This configuration balances traffic across the uplink interfaces based on the source of the traffic, ensuring optimal usage of available network bandwidth without requiring LACP configuration on the physical switches.

The correct answer is A. br0 .

In AHV (Acropolis Hypervisor) , br0 is the default native Linux bridge created on each hypervisor host. It is used for VM traffic and external communication. AHV leverages Open vSwitch (OVS) to manage virtual networking, but the bridge is exposed as br0 in the host's network configuration.

Key points:

br0 connects VM virtual NICs (vNICs) to the physical network via the host's uplinks.

It is pre-configured during Foundation or cluster deployment.

virbr0 is typical in KVM environments but is not used in AHV.

Official Reference:

Nutanix AHV Networking Guide

Nutanix KB #2027 – AHV Host Networking

Excerpt: “AHV uses br0 as the default bridge on the host, configured by Open vSwitch for guest VM networking.”

Answer: A

The correct answer is B. Internal NTP sources.

Nutanix strongly recommends configuring reliable internal NTP sources (e.g., enterprise-managed NTP servers or domain NTP servers) to ensure:

Time consistency across all nodes and CVMs

Accurate logging, monitoring, authentication (e.g., Kerberos), and cluster operations

Avoiding dependency on external/public NTP sources, which may be rate-limited, unavailable, or blocked by firewalls

Clarifications:

A (Windows time sources): Generally discouraged unless they are configured to use a stratum 1/2 reliable upstream source.

C (Rate-limited sources): Not recommended; can result in dropped or inconsistent time updates.

D (External ISP NTP): Not preferred for production clusters due to reliability concerns.

Prism UI Navigation Path:

Settings > NTP Servers

Official Reference:

Nutanix Best Practices Guide – NTP Configuration

Excerpt: “Use reliable and consistent internal NTP servers for all Nutanix clusters to maintain time synchronization.”

Answer: B

For dark site clusters , the Nutanix Compatibility Bundle must be downloaded prior to running LCM Inventory or updates. This bundle contains the necessary metadata and software binaries to perform inventory collection and upgrades in environments without internet connectivity.

A. Nutanix Foundation: Incorrect, as Foundation is used for initial deployments, not for LCM updates.

B. Nutanix Compatibility Bundle: Correct, as it contains the necessary files for offline LCM operations.

C. Nutanix Prism Central: Incorrect, as this does not pertain to offline updates.

D. Nutanix Foundation Platform: Incorrect, as this is not required for LCM Inventory or updates.