NCS-Core Practice Test Questions

302 Questions


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

The customer notices storage latency issues with their new Nutanix AHW cluster. The deployment includes the following components: ◦ 2 ToR switches ◦ 7 nodes Which command should the consultant run to identify issues?


A. manage_ovs show bridges


B. manage_ovs show_interfaces


C. manage_ovs show_11dp


D. manage_ovs show_uplinks





B.
  manage_ovs show_interfaces

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

An organization subscribes to field advisories from the Nutanix support portal. An administrator receives an email about a rare problem that could cause cluster instability and affect the entire AOS cluster. The organization is running Vmware vsphere 6.x on Nutanix. What action should be taken to resolve this issue?


A. Open Prism Element and select Upgrade Software to update AOS.


B. File a ticket to Nutanix Support and provide the Field Advisory I


C. Use VMware Update Manager to update the cluster.


D. In Prism Central, select Life Cycle Management and perform LCM update





A.
  Open Prism Element and select Upgrade Software to update AOS.

A consultant is preparing for a cluster deployment and evaluates portable Foundation. Laptop configuration is as follows: •CPU: 2.8 GHz Quad-Core Intel Core i7 •Memory: 4GB RAM During the installation, the consultant encounters some errors and tries to troubleshoot. What could prevent successful installation and Foundation usage?


A. Gatekeeper must be enabled


B. Oracle VirtualBox is installed on the laptop


C. Laptop configuration does not meet installation requirements


D. Firewall Stealth Mode is disabled





C.
  Laptop configuration does not meet installation requirements

An administrator has two clusters: Site A and Site B. Async DR is configured between the clusters as follows: • Site A is the Primary Site • Site B is the Secondary inactive Site, no VMs running • Site A is fully in Production • Site B used as Backup/Disaster Recovery The customer wants to perform a planned failover between the sites. How should the administrator accomplish this?


A. Click Activate on the Secondary site within the Data Protection Dashboard


B. Click Activate on the Secondary site and run deactive NCLI command on Primary site


C. Choose Migrate on the Secondary site within the Data Protection Dashboard


D. Choose Migrate on the Primary site within the Data Protection Dashboard





D.
  Choose Migrate on the Primary site within the Data Protection Dashboard

A customer has a four-node cluster and is using Volume Groups to provide storage services to a SQL cluster. In the event of a CVM failure in the cluster, what is the expected IO path of the volume group’s iSCSI targets?


A. vDisk directed at failure CVM are redirected to Data Services IP until CVM is reconnected


B. vDisk directed to CVM that failed to disconnect and will not reconnect without manual intervention


C. vDisk directed to failed CVM are redirected to another CVM and automatically reconnect


D. vDisk directed at failed CVM will disconnect and reconnect when the failed CVM comes back online





C.
  vDisk directed to failed CVM are redirected to another CVM and automatically reconnect

What should a consultant consider when completing a bare-metal imaging process?


A. Avoid connecting any device to the node USB port that presents virtual media such as a CD-ROM.


B. Connect to a managed switch with routing tables to protect the production environment against configuration errors.


C. Ensure that the CD ROM appears last in the BIOS boot order to avoid Foundation timeout.


D. Enable STP by using PortFast or an equivalent feature on the ports that are connected to the Nutanix host.





A.
  Avoid connecting any device to the node USB port that presents virtual media such as a CD-ROM.

A consultant is setting up a new install of Nutanix Files for a customer, but receives this error when attempting to join the customer's Active Directory domain: File Server could not join the Domain because User credentials failed with error Unable to connect to WORKGROUP ads_connect: No logon servers The consultant has already verified the domain credentials provided by the customer are valid and have the correct permissions. What is the most likely cause in this scenario for a domain-join failure when setting up Nutanix Files?


A. The FSVMs storage network must be in the same network as the logon servers.


B. The client network is failing to communicate with the customer's domain controllers due to mismatched MTU sizes


C. The client network is failing to communicate with the customer's domain controllers due to a missing network firewall port requirement.


D. The FSVMs must first be manually added to a site mapping in Active Directory before they can be authorized to communicate with the logon servers.





C.
  The client network is failing to communicate with the customer's domain controllers due to a missing network firewall port requirement.

A customer has a mail server and needs Nutanix to send email notifications about errors that might occur in Prism. The following information is included under SMTP Server Settings ◦IP Address of mail server ◦Port Security Mode ◦From email address What should the consultant set up before arriving onsite?


A. SMTP server to allow emails from all IPs in customer network


B. SMTP server to allow emails from Cluster VIP and CVM IP addresses


C. SMTP to allow emails from Cluster VIP


D. SMTP server to allow emails from Host IP addresses





B.
   SMTP server to allow emails from Cluster VIP and CVM IP addresses

An administrator needs to initiate a new VDI project within a couple of months. Prism Central reports there are no storage resources to accommodate such workloads. The administrator sees many powered-off VMs and has the authority to delete test VMs powered off at least for 30 days. Test VMs belong to the Test category. Using Prism Central, which steps are required to identify the correct VMs to be deleted?


A. Use Capacity Runway to filter by Test and Powered-off VMs


B. Filter VMs list, choose Test category and Inactive under Efficiency


C. Create a new Scenario selecting Test VMs. filter by uptime


D. Create a new Project selecting Test VMs, sorting by power state





B.
   Filter VMs list, choose Test category and Inactive under Efficiency

A customer design calls for link aggregation. Despite the consultant verifying all hosts are correctly configured for fallback per Nutanix best practices, initial testing reveals the aggregate bond fails to pass traffic and shows a status of configured. What is the most likely cause for the bond disabling and reporting a "configured" status?


A. The uplinks in the bond need to be turned on.


B. The ports need to be flushed.


C. Failed negotiation due to misconfiguration on ToR switches.


D. The bond needs to be reconfigured for balance s_b mode.





C.
  Failed negotiation due to misconfiguration on ToR switches.


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