Quiz NCA: Nutanix Certified Associate v6.5
Quiz
What is the most efficient approach?
Quiz
Quiz
environment?
Quiz
component should be checked and upgraded first?
A.MSP
B.NCC
C.LCM Framework
D.Foundation VM
Explanation:
When performing an upgrade using the LCM (Life Cycle Management) Dark Site procedure in Prism Element or Prism Central, the first component you should check and upgrade is the LCM Framework itself.
Why this is the correct answer:
- The LCM Framework is the core engine that manages software and firmware discovery, compatibility checks, and upgrade orchestration.
- If the framework is outdated, it may not properly recognize newer component versions, inventory files, or upgrade bundles.
- Upgrading the framework first ensures that the rest of the LCM workflow functions correctly and can manage subsequent component upgrades safely.
Why the other options are not correct:
- A. MSP: This is not the first component to check in the dark site LCM procedure.
- B. NCC: NCC is a validation and health-check tool, but it is not the initial component to upgrade in the LCM process.
- D. Foundation VM: Foundation is typically used for cluster imaging and deployment, not as the first item in the LCM Dark Site upgrade sequence.
In short, the LCM Framework should be updated first because it enables the rest of the lifecycle management process.
Quiz
A cluster is showing the alert in the attached image.
What is the recommended method to quickly determine possible causes and corrective actions for
this alert?
Quiz
A.VM Powered Off
B.DNS Entry for VM
C.VM Powered On
D.Empty CD Drive
Explanation:
To upgrade Nutanix Guest Tools (NGT) on a VM, the VM must be powered on because NGT operates inside the guest operating system and the upgrade process needs the VM running to communicate with the agent and apply the update.
An empty CD drive is also required because the NGT upgrade process uses virtual media attachment during the installation or upgrade procedure. If the VM already has a CD/DVD device in use, the upgrade may not proceed correctly, so an empty CD drive is needed.
Why the other options are incorrect:
A. VM Powered Off
This is incorrect because the VM must be on for NGT upgrade operations.
B. DNS Entry for VM
This is not a required condition for upgrading NGT. DNS may help with name resolution, but it is not a prerequisite for the upgrade itself.
In summary, the two requirements are:
C. VM Powered On
D. Empty CD Drive
Quiz
Which metric should be checked to identify scheduling issues?
A.CPU Ready
B.Disk capacity
C.Memory usage
D.Snapshot size
Why:
CPU Ready measures the amount of time a virtual machine is ready to run but is waiting for the physical CPU to be scheduled by the hypervisor. In other words, the VM wants CPU time, but the host cannot immediately give it access because other VMs are using the available CPU resources.
This metric is especially useful when:
- The VM shows low CPU usage inside the guest OS, but
- The VM still feels slow or has delays
That combination often points to a scheduling problem at the host level rather than a problem inside the VM itself.
Why the other options are not correct:
- B. Disk capacity: This relates to storage space, not CPU scheduling.
- C. Memory usage: High memory usage can cause performance issues, but it does not directly indicate CPU scheduling delays.
- D. Snapshot size: Large snapshots can affect storage performance, but again, not CPU scheduling.
Summary:
If a VM is slow even though its CPU usage looks low, check CPU Ready to see whether it is waiting too long for host CPU time.
Quiz
A.Configure a replication policy
B.Enable Disaster Recovery in Prism Central
C.Use Nutanix Data Services for Kubernetes
D.Set up Objects replications
Explanation:
Volume-based containerized workloads are workloads running in Kubernetes or other container platforms that depend on persistent volumes for data storage. Protecting these workloads requires a solution that understands Kubernetes resources such as namespaces, persistent volumes, persistent volume claims, and application configurations.
Why C is correct:
Nutanix Data Services for Kubernetes (NDSF or NDK, depending on product naming/version) is designed specifically to protect containerized workloads. It provides backup, recovery, and data management features for Kubernetes applications and their persistent volumes. This makes it the appropriate option for protecting volume-based containerized workloads.
Why the other options are incorrect:
A. Configure a replication policy
Replication policies are generally used for VM or storage-level data protection, not specifically for Kubernetes containerized workloads. They do not provide application-aware protection for containers.
B. Enable Disaster Recovery in Prism Central
Prism Central Disaster Recovery is intended primarily for virtual machine disaster recovery orchestration, not for Kubernetes-native protection of container workloads.
D. Set up Objects replications
Nutanix Objects replication is for object storage data protection and replication between object stores. It is not designed to protect Kubernetes persistent volumes or containerized applications directly.
Summary:
To protect volume-based containerized workloads, an administrator should use a Kubernetes-aware protection solution, which is Nutanix Data Services for Kubernetes.
Quiz
A.Prism Central
B.Prism Element
C.Foundation Central
D.Witness VM
Explanation:
In a 2-node ROBO cluster, there are only two cluster nodes, so there is a risk of split-brain if communication between them is lost. Split-brain happens when both nodes think they should remain active, which can lead to data inconsistency or corruption.
A Witness VM is used to provide a third voting entity in the cluster. It does not store user data, but it helps determine cluster quorum and ensures that only one side of the cluster remains active during a network partition. This prevents both nodes from acting independently.
Why the other options are incorrect:
A. Prism Central
Prism Central is used for centralized management of Nutanix environments, but it does not provide quorum or prevent split-brain in a 2-node cluster.
B. Prism Element
Prism Element manages a single Nutanix cluster locally, but it is not a quorum witness component.
C. Foundation Central
Foundation Central is used for deploying and imaging Nutanix systems, not for cluster quorum or split-brain prevention.
Therefore, the required component is the Witness VM.
Quiz
A VM is experiencing poor performance at the storage level.
After reviewing the image, which action should the administrator take?
A.Verify if a Storage Policy is impacting the VM.
B.Migrate VM to another host.
C.Increase CVM memory size.
D.Add additional SSD disks to all the nodes in the cluster.
Explanation:
The VM is showing poor storage performance, and the most appropriate first step is to check whether a Storage Policy is affecting how its data is placed or accessed. In storage platforms that use policy-based management, a VM’s performance can be influenced by the storage policy assigned to it, such as replication settings, performance tiers, or placement rules. A restrictive or mismatched policy can lead to inefficient storage behavior and reduced performance.
Why the other options are less suitable:
- B. Migrate VM to another host.
This may help if the issue were related to a single host, but the question specifically points to storage-level performance, so host migration is not the best first action.
- C. Increase CVM memory size.
Increasing the Controller VM memory can help in some cases, but this is typically done when the storage controller is under memory pressure. The question does not indicate that as the root cause.
- D. Add additional SSD disks to all the nodes in the cluster.
This would be a major infrastructure change and is not the first troubleshooting step. It would only be considered after confirming that storage capacity or tiering limitations are causing the performance issue.
In short, the best initial action is to verify whether the VM’s storage policy is contributing to the performance problem.
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- Quiz name:NCA: Nutanix Certified Associate v6.5
- Total number of questions:88
- Number of questions for the test:50
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