Nutanix NCS-Core Practice Test - Questions Answers, Page 20

To separate management and production traffic within a Nutanix AHV cluster, VLAN Tagging is the appropriate feature to configure. VLAN Tagging allows different types of traffic to be segregated onto different network segments over the same physical infrastructure, effectively isolating management traffic from production traffic at the network level. This setup enhances security and performance by reducing the possibility of network congestion affecting critical management operations.

Nutanix Bible (https://www.nutanixbible.com), specifically the sections on networking and VLANs.

Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), which covers advanced network configurations including VLAN Tagging.

When a customer needs to add storage to an ESXi cluster without incurring additional hypervisor licensing costs, converting the cluster to Nutanix AHV presents a viable solution. AHV allows the incorporation of storage-only nodes, which can extend the cluster's storage capacity without necessitating additional licenses for hypervisor usage.

Nutanix Solutions for ESXi to AHV Migration: Nutanix Documentation

Nutanix AHV Licensing and Features Guide: Nutanix Licensing Information

The issue of VMs not being able to ping the default gateway from a newly created VM network on VLAN 20, while the Nutanix cluster uses VLAN 10, most likely stems from the switch port configuration. For the VMs on VLAN 20 to communicate outside their local network, the switch port to which the Nutanix nodes are connected must be configured as a trunk. This configuration allows multiple VLANs to coexist on the same physical port and enables routing between them. Without the trunk setup, the VLAN 20 traffic is restricted and cannot reach the network beyond the switch, including the default gateway.

Reference: Nutanix Network Configuration Guide, Best Practices for VLAN Configurations.SZXCDESX

For adding a new cluster to an existing set of production clusters using AHV and wanting to manage the setup remotely via Prism Central, the most appropriate and efficient method is to use Foundation Central. Foundation Central allows for the remote deployment and configuration of Nutanix clusters through Prism Central, facilitating the foundation process without needing physical access or separate foundational utilities like the Foundation VM or Applet. It uses the factory image on the nodes and is designed to streamline cluster expansions and deployments in enterprise environments.

Reference: Nutanix Foundation Central User Guide, Nutanix Prism Central documentation.

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Before going on-site to deploy a Nutanix cluster, the following prerequisites are crucial:

A . Complete the kickoff call and validate the BOM (Bill of Materials): This ensures that all necessary components are accounted for and any discrepancies or missing items are addressed prior to installation.

C . Validate whether the cluster questionnaire is complete and if the physical switch configurations are complete: Ensuring that all relevant customer and network information is obtained and validated is critical to avoid delays or issues during the physical installation and configuration of the cluster.

Nutanix Bible (https://www.nutanixbible.com), particularly sections on pre-deployment planning and validation.

Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), covering the importance of thorough preparation and documentation before on-site engagements.

In a Nutanix Files deployment within a 20-node AHV cluster, the consultant can deploy a maximum of 16 FSVMs (File Server Virtual Machines). This limitation is based on Nutanix's best practices and design considerations for scalability and performance. The number of FSVMs that can be effectively managed and maintained without degrading the performance of the file-serving operations or the underlying storage infrastructure dictates this maximum.

Nutanix Certified Services - Core (NCS-Core) Learning Documents

Nutanix Bible: https://www.nutanixbible.com

Nutanix University Videos: https://www.youtube.com/playlist?list=PLAHgaS9IrJecs_AcQT3Y7vSsKT2mjz3Iu

For re-configuring an existing cluster for a new use case where data preservation is not a concern, and there is a lack of CVM credentials:

C . Foundation VM - Bare Metal: This tool allows for a complete re-installation of the Nutanix software from scratch, which is ideal in scenarios where existing configurations and data are no longer needed, and access credentials are unknown or lost.

Nutanix Bible (https://www.nutanixbible.com), especially sections on cluster reconfiguration and Foundation tools.

Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), where cluster deployment and reconfiguration scenarios are extensively covered.

If new GPU nodes cannot be found during an attempt to expand an existing cluster:

A . IPMI is not plugged into the network: IPMI must be connected and functional for node discovery and management during expansion processes. If IPMI ports are not connected to the network, the nodes will not be discoverable in Prism Element.

Nutanix Bible (https://www.nutanixbible.com), particularly the sections discussing network requirements for cluster expansion.

Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), focusing on troubleshooting and resolving issues during hardware expansions.