Nutanix NCS-Core Practice Questions

302 Questions ...

Updated On : 24-Feb-2025




Prepare with our NCS-Core practice questions and boost your chances of passing the exam effortlessly. Featuring Nutanix exam-like questions, they cover all critical topics and provide detailed explanations to enhance your understanding. Prepare smarter, not harder, and achieve your Nutanix NCS-Core certification goals effortlessly!

Page 15 out of 51 Pages ... Showing Questions in Random order from Exam

Which two components must be identified to validate that software compatibility requirements are met for Nutanix Cluster Installation? (Choose two.)


A. Guest OS


B. AOS


C. Firmware


D. Hypervisor





B.
  AOS

D.
  Hypervisor

Explanation: Validating software compatibility for a Nutanix cluster installation necessitates the identification of the AOS version and the type of Hypervisor in use. AOS is central to the Nutanix infrastructure, governing storage, compute, and networking functions. The hypervisor layer is critical as it supports the virtual machines running on the cluster. Compatibility between these components ensures stable operation and support for all features.

Refer to the exhibit.

A consultant is installing AOS 5.10 and ESXi 6.5 on three nodes. During the Foundation process, ESXi 6.5 is not available as one of the choices for hypervisor.
Which solution should the consultant use?


A. Upload ESXi image to /home/Nutanix/foundation/nos/hypervisor/esx.


B. Restart Foundation VM and refresh Foundation page.


C. Update the Foundation whitelist from the support portal.


D. Upload ESXi image to /home/Nutanix/foundation/isos/hypervisor/esx.





D.
  Upload ESXi image to /home/Nutanix/foundation/isos/hypervisor/esx.

Explanation: If ESXi 6.5 is not available as one of the choices for hypervisor during the Foundation process, the consultant should upload the ESXi image to the specific directory where Foundation expects to find hypervisor images. The correct path for this operation is /home/Nutanix/foundation/isos/hypervisor/esx. This allows the Foundation tool to detect and use the ESXi image for installation on the nodes.

Refer to Exhibit:

A customer is preparing to expand a cluster with a consultant. The production cluster is comprised of one NX-3460-G7 and two NX-8235 G8 blocks. The running AOS version is 5.20.4.6 and Hypervisor version is ESXi 6.7 U3b. vCenter is also running a 6.7 version.
One NX-3235-G9 block will be added to that cluster (ESXI-NUTA-09 and ESXI-NUTA-10).
The consultant has verified Nutanix documentation and customer’s As-Built guide:
•NX-3060-G7 and NX-8035-G8 are hybrid HCI nodes
•ESXi 6.7 U3b is unsupported for the new G9 hardware model
•AOS 5.20.X and ESXi 6 X are end of support
•NX-3060-G7 and NX-8035-G8 hypervisors can be upgraded to the latest ESXi supported version
What actions should be taken before beginning the cluster expansion?


A. Upgrade vCenter, AOS and ESXi to supported and recommended versions.


B. Upgrade only AOS and ESXi to supported and recommended versions.


C. Replace all HDDs with SSDs on the Production cluster.


D. Prepare Foundation and the whitelist. json file to deploy ESXi 6.7 U3b on the new nodes.





A.
  Upgrade vCenter, AOS and ESXi to supported and recommended versions.

Explanation: Before expanding the cluster with the new NX-3235-G9 block, it is critical to ensure that all components are running supported and recommended versions due to compatibility and support issues. Therefore, the necessary actions include: A. Upgrade vCenter, AOS, and ESXi to supported and recommended versions. This step ensures compatibility across all components, particularly important as the new G9 hardware does not support the currently installed version of ESXi. Upgrading these components will also ensure continued vendor support and the stability of the environment. Options B, C, and D do not adequately address the need for vCenter upgrades or the fact that ESXi 6.7 U3b is unsupported for G9, highlighting the necessity for a comprehensive upgrade.

Refer to the exhibits.
An administrator has reported that a new VM is not performing well.


A. VM is CPU constrained since the hypervisor cannot provide the required resources.


B. VM is CPU constrained because more CPU needs to be added to the VM.


C. VM is Storage constrained, because the workload is waiting for storage access.


D. VM is not CPU constrained, because the VM is not running, a multithreaded application.





C.
  VM is Storage constrained, because the workload is waiting for storage access.

A consultant is conducting a vSphere cluster deployment. As a part of operational tests, a vMotion operation is performed on a test VM, but fails with following error message:
The VMotion failed because the ESX hosts were not able to connect over the VMotion network. Please check your VMotion network settings and physical network configuration.
VMotion [184329483:1276605211167987] failed to create connection with remote host <10.10.16.14>: The ESX hosts failed to connect over the VMotion network Migration [184329483:1276605211167987] failed to connect to remote host <10.10.16.14>: Timeout What issue could prevent the vMotion operation from completing successfully?


A. The vmknic is configured with a conflicting IP address.


B. NIOC is enabled and vMotion traffic is configured with Share value SO.


C. Foundation service prevents connectivity between the source and the destination TCP port 8000.


D. The vSS is configured with Route based on originating virtual port.





A.
  The vmknic is configured with a conflicting IP address.

Explanation: The failure of the vMotion operation indicated by the error message could most plausibly be caused by: A. The vmknic (VMkernel network interface card) configured with a conflicting IP address. This conflict can prevent the ESXi hosts from establishing a connection over the VMotion network, as each host must have a unique IP address on the VMotion network to facilitate proper migration communications. Option B, involving NIOC settings, and option D, involving vSS configuration, could influence performance but are less likely to cause a complete failure to connect. Option C, related to the Foundation service, is not relevant to vMotion networking issues directly. References: VMware vSphere Networking Documentation, Nutanix Integration with VMware Environments.

A consultant asks a customer to verify the ToR Switch data port configuration was done according to Nutanix best practices. The switch configuration must simplify future deployments and expansions. Which two configuration actions will satisfy this requirement? (Choose two.)


A. Disable multicast and broadcast flood optimizations.


B. Configure the CVM and hypervisor host VLAN as the native.


C. Use a tagged VLAN for the CVM and hypervisor hosts.


D. Configure the connected switch ports as access.





A.
  Disable multicast and broadcast flood optimizations.

C.
  Use a tagged VLAN for the CVM and hypervisor hosts.

Explanation: For a Nutanix cluster configuration that simplifies future deployments and expansions, disabling multicast and broadcast flood optimizations (A) and using a tagged VLAN for the CVM and hypervisor hosts (C) are the best practices. Disabling these optimizations helps in reducing unnecessary network traffic and potential broadcast storms in a growing environment. Using tagged VLANs for CVM and hypervisor hosts ensures proper network segmentation and scalability, allowing for easier management and expansion without reconfiguring the native network setup for each expansion or deployment.References: Nutanix Network Configuration Best Practices, Nutanix Deployment Guide.


Page 15 out of 51 Pages
Previous