Nutanix Nutanix Certifications NCS-CORE Questions & Answers

• Question 41:

  Refer to the exhibit.

  

  An administrator has an existing cluster and needs to improve performance using AHV Turbo. Which two items are required to achieve even greater performance? (Choose two.)

  A. Workloads are multi-threaded.

  B. VMs have one vCPU configured.

  C. VMs have multi-queue disabled.

  D. VMs have more than one vCPU.

  Correct Answer: AD

• Question 42:

  A consultant is running Foundation. The cluster creation fails during the process. The host logs confirm that the nodes have been successfully imaged. The consultant decides to create the cluster manually. Which command should the consultant use?

  A. cluster -c IP_CVM_A, IP_CVM_B, IP_CVM_n

  B. cluster create -s IP_CVM_A, IP_CVM_B, IP_CVM_n

  C. cluster -s IP_CVM_A, IP_CVM_B, IP_CVM_n create_manual

  D. cluster -s IP_CVM_M, IP_CVM_B, IP_CVM_n create

  Correct Answer: B

• Question 43:

  An administrator receives reports about a Nutanix environment. The investigation finds the following;

  VMs are experiencing very high latency

  Each node is equipped with a single SSD, utilized at 95%

  Each node is equipped with three HDDs, utilized at 40%

  Why are the guest VMs experiencing high latency?

  A. CVMs are overwhelmed by disk balancing operations.

  B. All VM write operations are going to HDD.

  C. All VM read operations are coming from HDD.

  D. VMs are unable to perform write operations.

  Correct Answer: C

  Explanation: Ref:https://next.nutanix.com/prism-infrastructure-management-26/disk- space-usage-high-alert-in-prism-38199

  

• Question 44:

  An administrator is planning to deploy a Nutanix cluster to support a few high-performance VMs. This deployment will have the followingconsiderations:

  Individual VMs will likely generate network throughputs in the range of 90-100Mbps Due to the configuration of the VMs, it is unlikely that a node will host more than one or two of them at a time Individual VMs will communicatewith only a few (one or two) remote hosts at a time Multicast will not be used in the environment The hosts are connected via two 1GbE network connections

  How should the administrator configure the network bonds to meet this requirement while maintaining the simplest switch configuration?

  A. Configure bond0 as balance-sib

  B. Configure bond0 as active-backup

  C. Configure bond0 as balance-tcp

  D. Configure bond0 as balance-lacp

  Correct Answer: A

  Ref:https://portal.nutanix.com/page/documents/solutions/details?targetId=BP-2071-AHV- Networking:top_ahv_networking_best_practices.html

• Question 45:

  An administrator is deploying Nutanix Files 3.5 and needs to configure the sizing of the FSVMs for an increased number of concurrent SMB connections over the default 750. What should the administrator do?

  A. Deploy the Files VMs.power down the three FSVMs. change the CPU and RAM via Prism, and then power the three FSVMs back up

  B. During installation, click Customize on the File Server Installation screen, change the number of connections, and finish the installation

  C. Complete the default installation change the CPU and RAM m Prism, and then log into the File Server dashboard and change the Filer Server Properties

  D. During installation, input the correct number of connections in the File Server Installation screen and complete the installation

  Correct Answer: B

• Question 46:

  An administrator needs to maximize storage potential in a six-node cluster. The container is configured with the following:

  Post-process compression Capacity deduplication What should the administrator configure to increase space savings?

  A. Erasure coding

  B. Inline compression

  C. Reserve capacity

  D. Cache dedupe

  Correct Answer: A

• Question 47:

  A customer has Metro Availability configured in Automatic Resume Mode between Site A and Site B What happens to VMs if Primary Site A has full network failure?

  A. Automatic protection domain promotion in Site B. VMs automatically restart in Site B

  B. VMs continue to run on Site A following an automatic disable of protection domains.

  C. An administrator must unwitness in Site B and promote protectiondomains in Site B for VMs to restart

  D. An administrator must promote protection domains in Site B for VMs to restart.

  Correct Answer: A

  Explanation: Ref:https://supportportal.nutanix.com/page/documents/details/?targetId=Web-Console-Guide-Prism-v55:sto- metro-availability-witness-c.html

• Question 48:

  An administrator configures authentication in Prism Central (PC) for the NTNX-Admins group. Users report that they are unable to log in. The administrator confirms that the Active Directory (AD) settings in PC are correct. Which condition could result in this behavior?

  A. A role mapping needs to be associated with the AD group.

  B. The users must be added to the Domain Admins AD group.

  C. The Local authentication type must also be selected in PC.

  D. A client chap certificate must also be added in PC.

  Correct Answer: B

  Explanation: Ref:https://portal.nutanix.com/page/documents/details?targetId=Prism- Central-Guide-Prism-v5_10:mul-security-role-permissions-pc-t.html

• Question 49:

  An administrator recently added in 3 nodes to an existing 5 node cluster. While 1 node came with its own block, theother 2 nodes where added to an existing share. After adding the nodes, the administrator sees that the hardware tab displays the correct number of nodes, but incorrect position in the diagram tab.

  What should the administrator do to resolve the issue?

  A. Check the factory_config.json for all 3 nodes

  B. SSH into CVM and perform genesis restart on each CVM

  C. SSH into the CVMs and run genesis acropolis stop; cluster start

  D. Check the factory_config. json for the two single nodes.

  Correct Answer: D

• Question 50:

  A consultant creates a Windows VM after installing a new Nutanix cluster running AHV. The consultant has statically assigned an IP address to the VM but it is unable to communicate on the network. Which action should the consultant take to resolve this issue?

  A. Confirm that IPv6 is enabled on the guest VM.

  B. Confirm that the VM vNIC is tied to the correct VLAN in Prism Element.

  C. Mount and install the Nutanix Guest Tools.

  D. Set a Group Policy to make sure the Windows Firewall is disabled.

  Correct Answer: B