Nutanix NCS-CORE Online Practice Questions and Exam Preparation

Nutanix NCS-CORE Online Questions & Answers

• Question 261:

  A consultant is onsite with a customer running Foundation VM (FVM) and discovers that there is no connectivity between the FVM and their laptop. The consultant verifies the following:

  1.

  The consultant's laptop and Nutanix nodes are plugged into a flat switch.

  2.

  The laptop, switch and nodes are plugged into supported power supplies.

  3.

  The laptop network adapters and FVM are configured with their corresponding IP addresses. What is the cause for the connectivity failure to the FVM?

  A. The switch is not plugged into the power supply.
  B. Desktop Firewall is blocking ping requests.
  C. Network cables are not connected.
  D. Laptop WiFi configured to use DHCP.
  B. Desktop Firewall is blocking ping requests.

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  Explanation/Reference:

  If there is no connectivity between the Foundation VM (FVM) and the consultant's laptop despite all devices being properly powered and correctly configured, the likely cause is the desktop firewall on the consultant's laptop blocking ping requests. This is a common issue that can prevent communication over the network even when all other network configurations are correct. The consultant should check the firewall settings and allow the necessary permissions for network communications to establish connectivity.References: Nutanix Network Troubleshooting Guide, Nutanix Installation and Configuration Documentation.

• Question 262:

  A customer's security team has a policy prohibiting a consultant's laptop from connecting within the corporate datacenter. In which two ways should the consultant complete the customer deployment on the factory-prepared nodes? (Choose two.)

  A. Use the Controller VM-based Foundation process.
  B. Configure IPs on hosts and create the cluster.
  C. Run the Network Crashcart Script, provide IPs, and create the cluster manually.
  D. Manually edit ifcfg-etho file on CVM, restart networking, and create the cluster.
  A. Use the Controller VM-based Foundation process.
  C. Run the Network Crashcart Script, provide IPs, and create the cluster manually.

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  consultant to configure and deploy the cluster using the software tools provided within the Controller VM itself. This method does not require direct laptop connection to the network. C. Run the Network Crashcart Script to manually configure

  IP addresses on the hosts and then proceed to create the cluster manually. This approach involves using available scripts and utilities that can be executed from within the data center's management interfaces without needing direct laptop

  access. Options B and D would typically require direct network connection capabilities not permissible under the security constraints.

  References:

  Nutanix Foundation Documentation, Nutanix Deployment Best Practices.

• Question 263:

  An administrator wants to utilize Network Visualization to monitor the physical and logical network on the Nutanix cluster. The first-hop switch has LLDP enabled. The network switch information is still not being displayed.

  What is causing this problem?

  A. The ISL between switches is not configured.
  B. SNMP is not configured properly.
  C. br0 and br1 are not defined.
  D. The cluster is using RDMA-enabled NICs.
  B. SNMP is not configured properly.

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  Explanation/Reference:

  https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v55:wc-network-visualization-intro-c.html

• Question 264:

  A consultant is setting up a new vSphere cluster. Customer requirements are as follows:

  1.

  VMs should automatically failover to another host if the host crashes

  2.

  Host CPU and Memory resources should be evenly balanced

  3.

  New VMs should be placed on the host with the most resources available

  Which two settings should be turned on to meet the requirements? (Choose two.)

  A. vShpere DRS
  B. vSphere HA
  C. vSphere vMotion
  D. vSphere Power Management
  A. vShpere DRS
  B. vSphere HA
  D. vSphere Power Management

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  References: Nutanix Bible: vSphere Integration Nutanix University: Configuring vSphere Features

• Question 265:

  After a consultant runs a bare metal Foundation, the imaging process fails.

  In which two locations can the consultant find the logs? (Choose two.)

  A. On the CVM - /home /nutanix/foundation/logs
  B. On the Hypervisor - /home/nutanix/foundation/logs
  C. On the Foundation VM - /home/nutanix/foundation/logs
  D. View Logs link on the Foundation Imaging progress screen
  C. On the Foundation VM - /home/nutanix/foundation/logs
  D. View Logs link on the Foundation Imaging progress screen

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  Explanation/Reference:

  After a failed bare metal Foundation imaging process, the consultant can find relevant logs in two primary locations: on the Foundation VM at "/home/nutanix/foundation/logs" and via the "View Logs" link available on the Foundation Imaging

  progress screen. These logs are crucial for diagnosing issues during the imaging process as they provide detailed error messages and operational data.

  References:

  Nutanix University - NCS-Core 6.8 Learning Path

  The Nutanix Bible, Foundation chapter (https://www.nutanixbible.com/)

• Question 266:

  A customer has a Nutanix cluster with 10Gb connectivity via switch fabric extenders. The administrator receives NCC health check errors of latency greater than 200ms.

  Which action should the administrator take to resolve the NCC errors?

  A. Replace the switch fabric extenders with 10G line rate switches
  B. Upgrade NCC and increase the CVM memory by 4Gb
  C. Add 2 additional 10G uplinks from the switch fabric extenders per node
  D. Upgrade NCC and increase the vCPU of the CVM
  A. Replace the switch fabric extenders with 10G line rate switches

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  Explanation/Reference:

  https://portal.nutanix.com/page/documents/details?targetId=System-Specs-G6-Single-Node:set-block-connect-c.html

• Question 267:

  Where in the Support Portal is the Best Practices guide for vSphere Networking located?

  A. Product Notices
  B. Solutions Documentation
  C. Software Documentation
  D. Knowledge Base
  C. Software Documentation

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  Explanation/Reference:

  The Best Practices guide for vSphere Networking can be found under the "Software Documentation" section of the Nutanix Support Portal. This section typically houses comprehensive guides and detailed documentation on various software components, including best practices for configuring and managing vSphere networking in a Nutanix environment.

  References: Nutanix Support Portal: https://portal.nutanix.com Nutanix Documentation on vSphere Integration: Nutanix Software Documentation

• Question 268:

  A consultant needs to verify the make and model of the systems that will be imaged with Foundation. The consultant does not have the Bill of Materials (BOM) available to review. When should the consultant verify the make and model to prepare for the cluster deployment?

  A. During the Foundation Process
  B. While conducting the Tech Review Call
  C. Upon arriving on-site
  D. When reviewing the Statement of Work (SOW)
  B. While conducting the Tech Review Call

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  Explanation/Reference:

  The make and model of the systems should be verified during the Tech Review Call. This step is essential to ensure that all necessary information is collected and verified before any physical interaction with the hardware. Verifying these details during the call helps in preparing adequately for the cluster deployment, allowing the consultant to anticipate and mitigate any compatibility or configuration issues before arriving onsite.References: Nutanix Foundation Guide, Preinstallation Checklist Documents.

• Question 269:

  A consultant deploys a four-node VMware ESXi cluster and vCenter server. An HA/DRS cluster is configured for all four nodes. The customer deploys five new VMs on the cluster.

  During the knowledge Transfer, a network cable on one node is removed to demonstrate HA and migration of the VMs to another host. In the HA/DRS cluster settings, the VM Restart Priority for all CVMs is set to Disabled. The customer observes warnings that the CVM on the ejected host is no longer powered on.

  Which ESXi HA/DRS cluster setting is missing?

  A. Enable EVC for the cluster.
  B. Disable VM Monitoring on all CVMs.
  C. Disable Automation Level on all CVMs.
  D. Enable Host Monitoring.
  D. Enable Host Monitoring.

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  Explanation/Reference:

  The issue indicated is that the VMs, specifically the CVMs (Controller VMs), do not restart on the remaining nodes after a network cable is removed, demonstrating a failure of HA (High Availability). The setting that should be verified is "Host Monitoring" within the ESXi HA/DRS settings. This setting enables the host to monitor the state of other hosts in the cluster and take necessary actions like VM restarts on other hosts in the event of failures. If it's disabled, the cluster wouldn't automatically manage the failover of VMs upon host disconnection. References: Nutanix Bible (https://www.nutanixbible.com/), Nutanix Official YouTube Training Series

• Question 270:

  A consultant is setting up Prism Central to manage multiple Nutanix clusters. The customer requires til redundancy and tre aby to manage up to 12,500 VMs.

  Which deployment option should the consultant use to meet the requirements?

  A. Maximum CPU and memory allowed for the server hosting the Prism Central VM
  B. Prism Central cluster mode
  C. Prism Central Scale-out deployment
  D. Large Prism Central VM with the maximum CPU and memory allowed
  C. Prism Central Scale-out deployment

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  Explanation/Reference:

  To meet the customer's requirements for high availability and the ability to manage up to 12,500 VMs, the consultant should use Prism Central Scale-out deployment. This deployment mode allows Prism Central to be scaled out across multiple instances, significantly enhancing both performance and resilience, ensuring that the management and operations of a large number of VMs can be handled efficiently and without a single point of failure.References: Nutanix Bible, Nutanix University NCS-Core 6.8 learning materials