NCS-Core Exam Dumps - Nutanix NCS Professional Questions and Answers

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

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Prior to the initial base system setup for a new cluster installation, the consultant needs to document several critical infrastructure details. Among the most important are the DNS and NTP IP addresses (C). These addresses are crucial because they ensure that all nodes within the cluster can resolve domain names properly and synchronize their clocks accurately, which is vital for cluster operations and management. Proper DNS and NTP configurations help prevent many common issues related to name resolution and time synchronization that could affect the performance and stability of the cluster.References: Nutanix Installation Prep Guide, Nutanix Network Configuration Requirements.

The issue where users can mount all three storage containers despite the intention to restrict access to just container-1 typically stems from a Global whitelist entry. A global whitelist allows all entities to access all containers unless more specific restrictions are applied at the container level. To correct this, specific whitelist entries need to be configured for each container to define and restrict access appropriately.References: Nutanix NCS-Core 6.8 training resources, the Nutanix Bible, and Nutanix technical documentation on storage container management.

To address critical alerts about components using default passwords in the Prism Element Web Console:

• C. Check NCC results and review the associated KB: The Nutanix Cluster Check (NCC) tool can identify security vulnerabilities, including default password usage. Reviewing the results and associated knowledge base articles provides specific guidance on changing these passwords to secure the environment.

References:

• Nutanix Bible (https://www.nutanixbible.com), specifically sections on cluster health checks and security practices.
• Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), which includes instruction on using NCC for cluster validation and security enhancements.

Given the reported RX errors on eth2 and the intermittent ping loss as observed from the CVM logs, the best initial troubleshooting step that avoids VM disruption is to inspect the switch port for errors. Option C, "Check the port on the switch side for any errors," is the most direct and non-invasive approach to determining if the issue lies with the network infrastructure rather than the server hardware itself or the configuration.

This action helps identify whether the problem is related to the physical connection (e.g., port issues, switch configuration errors) without altering the current active network setup on the Nutanix node. If errors are found on the switch port, adjustments or repairs can be made accordingly, potentially resolving the RX errors without impacting the running VMs.

References:This recommendation follows Nutanix's best practices for network troubleshooting, focusing first on external network components before altering host configurations.

Ref: https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v5_10:sto-pd-guidelines-r.html

In a Nutanix environment, if the login process using an Active Directory (AD) user account takes more than a minute to complete, it could be due to the configuration of the AD lookups.

Active Directory lookups can be configured to use either Recursive or Non-Recursive mode. In Recursive mode, the system will look up each group that a user is a member of, then each group that those groups are members of, and so on. This can lead to a large number of lookups and potentially slow down the login process1.

On the other hand, in Non-Recursive mode, the system only looks up the direct groups that a user is a member of. This can significantly reduce the number of lookups and speed up the login process1.

Therefore, the administrator should confirm that Active Directory lookups are configured to use Non-Recursive mode to resolve this issue.

References:

• Active Directory Authentication is slow - Takes minutes to Logon | Nutanix Community
• Configuring Authentication | Nutanix Community
• Solving Slow Logon Issues in Active Directory Environments