Nutanix Certified Services Core Infrastructure Professional NCS-Core Dumps Released

1. A customer has a G6 AHV cluster with 4x10GbE NICs on each node and the following configuration:

* Networking is set to default

* Only two NICs are connected

The customer receives the following critical message:

The NIC is disconnected from the switch, or the switchport is failing.

What should the consultant verify to resolve the issue?

2. An administrator is performing a set of routine checks and notes that Prism Central is running with 4 vCPUs and 21 GB RAM. The organizations environment is based on two Nutanix clusters with 170 VMs plus a Legacy vSphere infrastructure. No manual changes have been done on Prism Central VM.

Which configuration justifies the current Prism Central configuration?

3. Which Nutanix feature creation is described in the Knowledge Transfer?

4. A customer wants to expand an existing cluster with three additional nodes. After running the Foundation process on the new nodes, the customer realizes that the wrong IPs where used and the nodes are configured on a different network. The customer decides to create a new cluster instead.

Which method should be used to recreate the cluster?

5. A consultant is performing a Nutanix Cluster installation on Dell XC Core hardware. The consultant decides to use Foundation Portable for Mac to perform the installation. When the consultant arrives onsite, Foundation Portable is unable to locate the new nodes.

Which log should the consultant check to troubleshoot this issue?

6. For several days, an administrator notices the following alerts:

• CVM NIC Speed Low Warning Alerts

• Warning Alerts of CVM NIC not performing at optimal speed

• CVM is disconnected from the network Critical Alert

• Network Visualization page shows excessive dropped packets on CVM/Host.

Which steps should be taken to determine which problem should be addressed first?

7. A consultant is using the Foundation applet to create a cluster. During the process the consultant refreshes the progress bar web page and is concerned when nothing loads.

What should the consultant do to verify that Foundation has completed successfully?

8. After the migration, some SQL queries take longer to execute than prior to migration.

The following SQL best practices were applied while creating the SQL VM on Nutanix:

• 8 vDisks per SQL server VM

• Database and Log files on separate vDisk

• 2 TempDB database drives and 1 TempDB log drive

What should the administrator to do improve the SQL Server performance?

9. After imaging the nodes and creating the cluster successfully, the consultant connects the cluster to the customer network. When logging into Prism, the events dashboard is full of errors.

What is causing the issue?

10. After uploading a hypervisor ISO during the Foundation process, a consultant sees a message that the MD5 sum for the hypervisor is not found in the Whitelist file.

Which step should the consultant take next to resolve this issue?

11. A customer wants to know the details of network validation testing.

Where can the consultant find this information?

12. A customer wants to use NIC teaming on an ESXi host using a vSphere Standard Switch configured with the Route based on physical NIC load load balancing option. The customer does not see the option when editing the Teaming and Failover settings for the switch.

How should the consultant resolve this issue?

13. 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:

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

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

* The laptop network adapters and FVM are configured with their corresponding IP addresses.

What is the cause for the connectivity failure to the FVM?

14. An administrator has a custom backup application that requires a 2TB disk and runs in Windows. Throughput is considerably lower than expected.

The application was installed on a VM with the following configuration:

• Four vCPUs with one core/vCPU

• 4GB of Memory

• One 50GB vDisk for the Windows installation

• One 2TB vDisk for the application

What is the recommended configuration change to improve throughput?

15. A consultant runs the Foundation Applet and discovers all the nodes. The consultant wants to use the latest version of Foundation for imaging for support purposes and to cover the latest hardware and software hypervisor support.

What should the consultant do to upgrade Foundation on a node?

16. 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 tobe deleted?

17. A customer has NearSync configured. When the administrator tries to restore a snapshot from 3 minutes ago, it is not available. The snapshots are happening at15-minute intervals instead of at the 5-minute configured interval. When the protection domain was initially set up, the snapshots were happening at the expected 5-minute interval.

What should the customer do to enable the snapshots to happen at the expected interval?

18. An administrator is deploying an application that requires maximum I/O throughput for scratch data. The administrator is concerned that the throughput requirement is greater than what can be provided by asingle cluster node.

What should the administrator do to meet this requirement?

19. A consultant is preparing to add new nodes into an existing cluster. The current cluster AOS version is 5.8. The new expansion node is currently running AOS 5.9 code. The cluster must continue to run at its current AOS version.

Which method can be used to successfully add the node?

20. An administrator is concerned that Prism will be inaccessible if Active Directory is unable to process logins .

Which method should the administrator use to access the cluster in the event of this type of outage?

21. An administrator configure Active Directory (AD) authentication for their Nutanix environment. When login in using an AD user account, the login process takes more than one minute to complete. No delay occurs when logging a local account.

What should the administrator confirm to resolve this issue?

22. 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?

23. An administrator is implementing a VDI solution. The workload will be a series of persistent desktops in a dedicated storage container within a four-node cluster. Storage optimizations should be set on the dedicated storage container to give optimal performance including during a node failure event.

Which storage optimizations should the administrator set to meet the requirements?

24. For a new AHV cluster installation, a customer has 20 NX-8155-G6 nodes with quad port SFP NICs.

The customer wants to meet the following guidelines:

* Take advantage of all available 10GbE links

* Achieve maximum throughput per VM

* Use of redundant ToR switches

* Fastest reconvergence during link failure

How should the load balancing be configured on the host?

25. An administrator has a VM that consumes large amounts of storage and has the following characteristics:

• Create large / sequential writes

• Data must be kept for years

• Data is normally only accessed at the end of the year to run report

The administrator decides to use Erasure Coding to save space.

Which feature should the administrator utilize to save space for this VM?

26. A consultant is running the Foundation VM using desktop virtualization software. No nodes are discovered.

What should the consultant verify first?

27. An administrator is deploying a new application to a Nutanix Enterprise Cloud. The application requires a security to prevent unauthorized access. The application also uses many non-standard ports that are unique to it. Security should not be changed for existing applications.

What should the administrator do to meet these requirement?

28. A consultant is deploying a two-node cluster at a remote branch office.

Which component must be available to complete cluster configuration?

29. While preparing for a new four-node cluster installation, the consultant has a Tech Review Call with the customer.

The hardware is as follows:

* 4 nodes in 1 Block

* 8 x 10 GbE Ports

* 4 x 1 GbE IPMI Ports

* Adequate Ethernet ports are available

* Ethernet cables are correct and available

* Adequate rack space is available

Which remaining item must be confirmed as available onsite?

30. An organization is running a Nutanix Cluster based on AOS 5.10.x and VMware vSphere 6.7. Currently, the CVM network is segmented and Storage only nodes not present.

A new security project based on NSX is coming. VMware Distributed Virtual Switches are required. The administrator needs to prepare the environment for the new project.

Which step should the administrator use to initiate the project?

31. After deploying an AHV cluster connected to Cisco Nexus 9k switches, unexpected network behavior is observed. The consultant needs to rule out physical network mis-cabling without returning to the datacenter.

Which command from the host should the consultant run?

32. HOTSPOT

An administrator is configuring an All Flash cluster to support the following workloads:

• Full clone virtual desktops

• Hadoop

• Write heavy databases

Which three correct configuration options should the administrator use to meet the item requirements? (Choose three.)

For each procedure, indicate whether it is a correct or incorrect procedure that must be configured to meet the item requirements using the drop-down option.

33. A consultant is unable to install virtualization software on a laptop.

Which two versions of Foundation can be used to resolve this issue? (Choose two.)

34. An administrator is using Nutanix Move to migrate a Windows VM from ESXi to AHV.

Automated guest preparation is failing with an error:

Account has UAC enabled error

The administrator is using the local built-in administrator account for the Windows VM Admin approval mode must remain enabled.

What should the administrator do to continue with the migration with Nutanix Move?

35. A VM does not have enough resources for the demand, which leads to performance bottlenecks.

The VM is exhibiting one or more of following baseline values, based on the past 30 days:

• CPU usage > 90% (moderate), 95% (high)

• CPU ready time > 5%, 10%

• Memory usage > 90%, 95%

• Memory swap rate > 0Kbps (no moderate value).

Which type of VM is being described?

36. In a 20-node ESXi deployment, the customer needs additional resiliency to survive the loss of two nodes concurrently.

Which configuration should the consultant use to ensure that the appropriate resources are available?

37. An administrator needs to create and start five new VMs for a Data Analytics Project (OLAP).

The VM Profile is as follows:

• vCPU:4

• vRAM: 64 GB

• vDisk: 1.5 TB

Each of the four nodes of the Nutanix cluster has the following:

• 24 vCPU. 20% overall usage

• 192 GB RAM, 60% overall usage

• 2xl920GBSSD

• 4x 2 TB HDD

At cluster level, there is a single RF2 container that is 30% utilized and has an extent store capacity of 13.5 TB.

Which component requires administrator attention?

38. An administrator receives an alert in Prism indicating that interface eth2, on an AHV host is receiving many CRC errors.

After togging into the problematic host, the following command is run to show the indicated output:

What is causing this issue?

39. Refer to the exhibit.

After performing ESXi to AHV conversion on a cluster, the alerts shown in the exhibit display on Prism .

What should the administrator do to resolve this issue efficiently?

40. An administrator is updating disk firmware using LCM and receives the following message:

“there have been 10 or more cluster services restarts within 15 minutes in the Controller VM”

The message appears as each drive is upgraded.

What is the reason this message is being generated?

41. A guest VM is reported to have poor storage performance. It has an I/O profile of 80%read.

20% write, and the HDDs form more than 50% of the read source.

What should an administrator do to resolve this issue?

42. While creating an image placement policy on the organizations AOS 5.15-based Nutanix cluster, the administrator wants to ensure there are no restrictions on using the selected images on clusters outside of the identified set.

What type of Policy Enforcement must the administrator choose?

43. A three-node cluster has a Nutanix Files instance with three FSVMs.

What happens after a node failure?

44. An administrator receives reports that VDI desktop performance in an 8-nodeNutanix VDI environment is poor. Opening applications takes between 1 and 2 minutes.

When investigating the issue, the following conditions are found:

• Cluster memory utilization: 80%

• Cluster SSD utilization: 70%

• Average VM CPU Wait Time: 11% • CVM CPU utilization: 75%

Which action should be taken to improve VDI performance?

45. After a recent installation using a flat switch, a consultant notices issues migrating the Nutanix nodes to the customer’s network. The customer states that they are using VLANs on the production switch but not on the dedicated switch for IPMI. The customer does not require a manual configuration of the host and CVM.

What network changes need to be made to correct the issues?

46. A customer is deploying Nutanix AHV clusters over hundreds of remote sites worldwide. Prism Central will be used to centrally manage all clusters. Customer security policy requires the use of MS Active Directory (AD). groups to authenticate all network devices.

Which method should be consultant use to meet the requirements?

47. A customer buys ultimate licensing and wants to use the built-in Nutanix software encryption on their new AHV cluster. The customer needs to create three storage containers and asks the consultant to complete the process as fast as possible.

In which order should the cluster be deployed?

48. An administrator needs to deploy an application with a large amount of data connected via Nutanix Volumes.

Which two actions should the administrator take when designing the Volume Group? (Choose two.)

49. To prepare for a new Nutanix installation, a consultant downloads the Foundation VM, imports the VM to their Desktop Virtualization Solution, and powers on the VM. The IPv4 static address on the host workstation and the Foundation VM have been configured, but pings between them fail.

Which two troubleshooting steps should the consultant perform? (Choose two.)

50. Microsegmentation was recently enabled in a Nutanix environment. The administrator wants to leverage Prism Central to create a policy that will block all traffic, regardless of direction, between two groups of VMs identified by their category.

Which policy should be used to meet this requirement?

51. An administrator is configuring software only. Data-at-Rest Encryption on their Nutanix cluster. They are planning to deploy a third-party key management server (KMS).

Where should this server be hosted?

52. Refer to the exhibit.

An administrator logged into Prism Element, notices the following in the home dashboard, and showing the exhibit.

Which action should the administrator take next?

53. After finishing foundation on an AHV cluster, a consultant is preparing to plug into the customer network given the following set of requirements:

* All network traffic on trunks is tagged

* Customer is using LACP

* A native VLAN is not in use

Which set of commands should the consultant use to ensure cluster connectivity on customer equipment?

54. An administrator migrates a VM onto a new Nutanix cluster.

After the migration, the administrator observes the following conditions:

• Cluster memory utilization: 64%

• Cluster CPU utilization: 19%

• Cluster storage utilization: 32%

• Average VM CPU utilization: 25%

• Average VM CPU ready%: 24%

• Average VM memory utilization: 60%

Which two changes should the administrator make to improve VM performance? (Choose two.)

55. An administrator needs to migrate workloads from a Nutanix cluster running VMware ESXi to Nutanix AHV. The migration process needs to be completed in multiple VM groups and support roll back in caseany problems are found during user acceptance testing.

Which action should the administrator perform?

56. A customer is running out of storage in an ESXi cluster. The customer wants to add storage without paying for an additional hypervisor license.

Which option should the consultant recommend to meet the requirement?

57. A VDI environment based on AHV Cluster is not performing well. The current environment is using only one bridge (Bridge0). The administrator needs to verify if nodes are using all network cards associated to Bridge0.

Which two menus should be used to check the current configuration? (Choose two.)

58. A consultant successfully installs the Foundation VM on a laptop and needs to ensure the VM can communicate externally.

Which two configuration changes should the consultant make next? (Choose two.)

59. An administrator is responsible for the following Nutanix Enterprise Cloud environment:

• A central datacenter with a 20-node cluster with 1.5PB of storage

• Five remote sites each with a 4-node cluster with 200TB storage

The remote sites are connected to the datacenter via 1GB links with an average latency of 6 ms RTT .

What is the minimum RPO the administrator can achieve for this environment?

60. A customer with a four-node RF2 cluster is adding application VMs to their system. After adding these VMs, the Prism dashboard shows 81% storage utilization.

What is the consequence of running the cluster at 81% storage utilization?

61. An administrator receives an error indicating that the CVMs in the cluster are not syncing to any NTP servers.

An investigation of the issue finds:

• The NTP servers are configured in Prism

• The time on all CVMs is the same

• Both the CVMs and AHV hosts are configured for the UTC time zone.

Which two steps can be taken to troubleshoot this issue? (Choose two.)

62. A customer needs a DR solution designed around the following requirements:

• There are 8 ms of latency between Sites A and B

• The administrator needs the shortest RPO/RTO possible

• Application consistent snapshots are required

• Use of NutanixVSS

Which Data Protection Method should be used?

63. After installation, network ports are properly configured with the default active-backup bonding.

One 10GbE port goes to switch 1. Another 10GbE port goes to switch 2. A consultant tests failover by manually pulling one of the cables and notices it is taking too much time to failover, which is causing excessive packet loss.

What should the consultant enable to resolve this issue?

64. During a technical call with a customer, it is identified that this installation will be software only on Dell servers. The out-of-band management interfaces will not be given IP addresses until the consultant is onsite.

Which Foundation method should be used for this type of installation?

65. An administrator is deploying a three-tier application on a Nutanix Enterprise Cloud consisting of web, application, and database VMs. Traffic between the servers must be limited to specific services/ports. There is an application layer firewall VM deployed on one host in the cluster.

In which way should the administrator meet this requirement?

66. An administrator is deploying an application using Nutanix Volumes. After configuring the volume group and connecting the guest's iSCSI initiator to the volume group, they begin performance testing.

The administrator learns that performance on the virtual disk attached to the iSCSI initiator is far less than that of a virtual disk connected directly to the VM.

Which situation is causing this condition?

67. 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?

68. Refer to the exhibit.

An administrator notices a critical alert on the Metro Availability Protection Domain

What is causing this alert?

69. An administrator has a 32-node hybrid cluster with CPU, RAM and storage utilization of 80%. A database VM is configured with VM Flash.

What is causing this IO latency?

70. A company needs to replicate their VMs to a remote site and must have an RPO of less than 1 hour.

When creating a protection domain, what should an administrator do to meet this requirement?