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  1. Home
  2. Nutanix Certification
  3. NCSE-Core Exam
  4. Nutanix.NCSE-Core.v2024-11-13.q189 Dumps
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Question 6

A customer plans to migrate a business critical, high transaction application to nutanix. Currently the application is running on a physical server with 256GB of RAM and 12 CPU cores at > 80% utilization. To run the VM on a single NUMA node, which processor configuration should the systems engineer recommend for this workload?

Correct Answer: C
To run a VM on a single NUMA node, it is important to ensure that the entire CPU and memory requirements of the VM fit within the resources of a single NUMA node. Given the application's requirements of 256GB RAM and 12 CPU cores at over 80% utilization, the configuration should consider high core count and high frequency to handle the high transaction load efficiently.
Using CPUs with 10 cores each at 3.4GHz, for a total of 20 cores, would provide sufficient resources to meet the VM's needs while ensuring optimal performance. This configuration strikes a balance between core count and CPU frequency, providing a robust solution for the business-critical application.
References:
* Nutanix Bible
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Question 7

An administrator is managing multiple Windows and Linux VMs connected to Nutanix Volumes. The Linux VMs are experiencing intermittent connectivity issue. The Windows VMs do not experience the same issue.
Which option should the administrator use to resolve this issue?

Correct Answer: C
Intermittent connectivity issues for Linux VMs connected to Nutanix Volumes can often be attributed to SCSI timeout settings. Windows VMs may have different default settings that are more forgiving under latency or connectivity issues.
* SCSI Timeout: Adjusting the SCSI timeout value on Linux VMs ensures that temporary disruptions in connectivity do not result in immediate I/O errors. A longer timeout period allows the system to recover from transient issues without impacting the VM's operation.
* Separate Subnet: Using separate subnets is more relevant for network traffic isolation and may not directly address the SCSI timeout-related issues.
* Additional Disks: Adding more disks can help with capacity and IOPS but is unlikely to resolve intermittent connectivity issues.
* Jumbo Frames: Utilizing jumbo frames can enhance network performance but typically requires end-to-end support and configuration, which may not directly address the connectivity issues.
By setting the SCSI timeout value to 60, the Linux VMs will be able to handle transient connectivity issues more gracefully, reducing the impact on performance and stability.
References:
* Nutanix Bible, Best Practices for VM Configuration.
* Nutanix-NDB-User-Guide, Configuring VM settings for connectivity.
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Question 8

A customer wants to decrease costs and increase efficiency by eliminating NAS silos and adopting a cloud-like mindset. Which Nutanix product meets these requirements?

Correct Answer: C
To decrease costs and increase efficiency by eliminating NAS silos and adopting a cloud-like mindset, Nutanix Files is the appropriate product. Nutanix Files provides scalable, distributed file storage that integrates with the Nutanix ecosystem, offering efficient management and eliminating the need for separate NAS devices.
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Question 9

A systems engineer is creating a workload for a Sizer Scenario that requires Disaster Recovery (DR) resources with a Recovery Point Objective (RPO) of 6 hours. The "Protect VMs and other Entities" setting is set to Yes.
Async is selected for the RPO. Which two other options must be enabled to have Sizer create a DR cluster?
(Choose two)

Correct Answer: A,C
* Problem Analysis:
* The customer requires Disaster Recovery (DR) resources with an RPO of 6 hours.
* The "Protect VMs and other Entities" setting is enabled, and Async is selected for the RPO.
* Required Options:
* Disaster Recovery: Must be enabled to configure and utilize DR resources for protecting VMs and other entities.
* Remote Snapshot: Needs to be enabled to facilitate asynchronous replication and meet the specified RPO of 6 hours.
* Explanation:
* Disaster Recovery: Ensures that DR capabilities are available in the Sizer Scenario for the necessary failover and failback processes.
* Remote Snapshot: Allows for creating remote snapshots at the required intervals to meet the
6-hour RPO, providing consistent and timely backups.
* Outcome:
* Enabling both Disaster Recovery and Remote Snapshot options will ensure the Sizer creates a DR cluster that meets the customer's RPO requirements.
References: For detailed steps and configurations, refer to Nutanix Sizer documentation and DR configuration guides.
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Question 10

Refer to Exhibit.

A systems engineer is creating a configuration in Sizer for a customer that is building an app for use as an eBooks repository the app requires the following two workloads:
1. 50 generic web server VMs, each with 2 vCPUs on a 4:1 vCPU ratio, 8 GB of RAM, and 100GB of storage each
2. A fileserver workload with 80TB of usable storage available, which contains mostly PDF's and pre- compressed data.
Any reduction in performance of the web servers must be avoided. After entering the workload with default options, the Sizer outputs the configuration shown in the exhibit.
Which adjustment does the systems engineer need to make to the scenario to meet the performance requirements?

Correct Answer: A
In the provided scenario, to meet the performance requirements and avoid any reduction in performance of the web servers, the systems engineer needs to adjust the CPU configuration. By switching to manual sizing and changing the CPUs of the node configuration to a dual 10 core model, the CPU resources will be sufficient to handle the workload without performance degradation
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