Nutanix Certified Services Core Infrastructure Professional (NCS-Core 6.8)
Last Update Sep 21, 2025
Total Questions : 309
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During the knowledge transfer session, a consultant conducts a storage management demo. In the Creating a Storage Container workflow, the customer notices the Reserved Capacity parameter and asks for best practices related to it.
How should the consultant respond?
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?
Where in the Support Portal can it be determined if a version of AOS is supported on a particular hardware platform.
A systems administrator configures a protection domain replication between two Nutanix clusters. After the first successful replication , the administrator tests DR by clicking activate on the remote cluster.
While VMs are active on the remote cluster, the protection domain is marked as active on both clusters.
What steps are required to return both clusters to their original state?
A new Nutanix customer suspects that network traffic is going over the 1G interfaces instead of the 10G interfaces.
How should a consultant confirm that the traffic is only traversing the 10G interfaces?
A consultant is working on an expansion project for a customer that has an existing 7-node RF2 cluster. The customer has purchased four more nodes to add to the cluster. All of the hardware is identical between the existing hardware and newly purchased hardware.
Currently, the 7-node cluster has the following utilization:
•CPU: 48%
•Memory: 66%
•Storage: 91%
During the kick-off call, the customer mentioned they'd like to reserve storage capacity on the cluster if a node were to fail in the future.
What's the safest and best way to implement this on the cluster?
An administrator recently added in 3 nodes to an existing 5 node cluster. While 1 node came with its own block, the other 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?
Refer to the exhibit.
Which IP addresses can be configured for the Foundation VM and Consultant Laptop?
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?
Which two files should be downloaded to deploy Foundation VM on VMware ESXI or AHV Hypervisors? (Choose two.)
A three-node cluster has a Nutanix Files instance with three FSVMs.
What happens after a node failure?
An administrator of a Nutanix Enterprise Cloud has microsegmentation enabled and a firewall VM installed. The security team notifies the administrator that one of the VMs hosted in the environment has been exhibiting suspect network activity. The administrator wants to isolate the VM from the production network, but must still be able to access it to perform diagnostics.
What should the administrator do to meet the requirement?
Refer to Exhibit:
A Foundation install must be done on four NX nodes for a new customer. A consultant need to set up the network onsite before imaging the nodes through the Foundation tool.
The nodes are equipped with two SFP28 25GbE NICs with dual ports, and a 10GBase-T NIC with dual ports as well The customer’s ToR switches are 25GbE datacenter switches, already in production.
What is the appropriate hardware to perform the most reliable imaging of these NX nodes?
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?
The following alert appears on the file server alerts tab in the file server dashboard:
Which two events can generate this alert? (choose two)
While reviewing the BOM during the kickoff call, a consultant notices that there are six NX nodes and 12 SFP+ modules, but no fiber cables are listed.
Which statement is correct regarding this scenario?
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?
During a pre-engagement call, a customer explains that network cables are missing from the boxes. The consultant examines the bill of materials more closely to verify the quantity and type required by the hardware. The rack is already equipped with one OOBM Ethernet switch and two 10GbE SFP+ ToR switches.
Which cables should the consultant recommend to the customer for implementing in this scenario?
To ensure VM availability when a service outage has occurred, a customer has requested that automatic VM failovers must occur as part of the DR strategy for their environment.
Which failover operation is within an Unplanned Failover option?
A customer wants to ensure that the Data Protection configuration using Protection Domains is fully functional.
The consultant has configured a protection domain for newly-created VMs with static IP addresses on multiple VLANs. The network administrator confirmed that the correct subnets exist at both physical sites.
After performing a failover operation, the virtual machines are turned back on but have no network access.
Which statement describes this issue?
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?
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?
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?
An administrator is deploying several new application VMs to a Nutanix cluster. The application is very transactional with a 28/72 random, read/write ratio.
What should the administrator do?
An administrator needs to configure snapshots for DR scenarios. The databases get refreshed on Friday nights regularly. The search service application re-indexes the new application on Saturday nights regularly. The remaining front-end and middle tier VMs are static but do get minor version updates weekly.
The administrator needs to have 2 weeks of daily snapshots for all the VMs in an app group and 2 weeks application consist local snapshots only on Fridays, Saturdays and Sundays on the same group of VMs.
Which two options should the administrator use to configure snapshots?
A consultant is using a customer’s switch for installation. Although the 10GbE ports for each of the hosts are connected to the switch, the nodes fail to be discovered.
What is causing the issue?
A CEO asks the IT administrator to provide a list of required resources to protect current workloads and the two new SQL servers from a disaster. The Nutanix environment is managed by Prism Central.
Which option explains how to meet the CEO's request?
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?
A customer wants to validate the Microsoft SQL workload performance for a CRM application before migration to the new Nutanix cluster.
Which activity must the consultant add as part of the test plan to fulfill this requirement?
Refer to the exhibit.
On a four-node NX-3460 cluster, two 10G NiCs are connected to redundant Cisco ToR 5K switches as shown in the first exhibit Port On a four-node NX-3460 cluster, two 10G NICs are connected to redundant Cisco TOR Sk switches as shown in the fist exthibt. Port failover must be tested.
The network configuration output from the CVM is shown in the second exhibit. To test fallover, a shut command is executed on the switchport that connects the node to the 5k1 switch.
Refer to the exhibit.
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?
After reviewing the questionnaire provided by a customer, the consultant is completing the Foundation Configuration on the Nutanix website. According to the customer requirements, the cluster should be prepared off site in a safe room, and moved afterwards to the datacenter.
Which configuration should the consultant implement on the Foundation VM?
Which two components are required to validate and Foundation a cluster with ESXi as the hypervisor? (Choose two.)
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?
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?
A customer wants to know the details of network validation testing.
Where can the consultant find this information?
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?
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 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?
An administrator needs to expand a cluster based on AHV and running on Nutanix G5 hardware with a new Nutanix G7 system. The cluster is running AOS 5.10 but the operation fails when expanding the cluster. AOS is running on the new system. There are no issues discovering the node.
Why is the operation failing?
A consultant needs to review a customer’s switch port configuration to identify any issues. Other customer requirements are as follows:
* Leverage LACP
* Native VLAN will not be used
* Use Multiple Upstream switches
* Use VLANs 20-25 and 30
* LACP Fallback has been Enabled
* vPC or MLAG has been configured
What must be included in a configuration in order to meet these requirements?
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?
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?
An administrator is trying to correct high cluster IOPs and Cluster Controller Latency. Networking is the suspected issue.
Which networking parameters should be configured in the Nutanix cluster?
Before deploying a new 3-node cluster, a consultant wants to know which VLAN ID to use during Foundation.
Where can the consultant find this information?
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?
An administrator needs to forecast infrastructure requirements for a new program and its associated applications. Prior to the projected start of the new program, all existing applications will be decommissioned.
How should the administrator perform this task?
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 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?
What is the default password shipped on new NX hardware from the factory for the ADMIN user on IPMI?
After a consultant runs Foundation, the imaging process fails.
In which two locations can the consultant find the logs? (Choose two.)
An administrator needs to evaluate if the existing configuration of Protection Domains meets the specified corporate recovery policy for SQL Data. The corporate policy requires that all SQL Servers be recoverable at the DR site within 30 minutes, and must result in a maximum of 60 minutes of data loss. SQL data must be required.
The protection domain is configured as follows:
• Application consistent snapshots are enabled
• The SQL server VMs are assigned to the Protection Domain as their own Consistency Group
• The Protection Domain schedule is configured as snapshots taken every 90 minutes from 7 am until 8 pm
What must be changed to meet the required policy?
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 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?
A consultant is reviewing a customers Pre-delivery Questionnaire.
The customer wants to deploy their cluster with ESXi as the hypervisor with vSphere Distributed Switch. The customer will be using Cisco Nexus 9k as their switch choice In the kick-off call, it is confirmed that the customer has a business requirement to use LACP in their environment.
What should the consultant ensure that the customer configures on the port-channel interface before deployment?
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.)
An administrator needs to replace the self-signed certificate on a cluster. Which two requirements must be met as part of the process? (Choose two.)
An administrator has an existing Nutanix seven-node cluster running at RF2 that must be changed to have the following capabilities:
• RF3 set for the cluster
• Performance tier deduplication
What is the minimum memory needed on the CVMs to allow for these capabilities?
Refer to the exhibit.
An administrator receive the warning massages shown in the exhibit while validating cluster conversion from EXSi to AHV.
What should the administrator do to address this warning in v Center Server?
A customer has a primary datacenter with 12 Nutanix blocks distributed across three racks. The customer wants to achieve the most resiliency possible. They also have a datacenter in a branch office that is 400 kilometers away from the primary datacenter.
Which two solutions should be used? (Choose two.)
The networking team makes changes to the Top of Rack switches to which the Nutanix cluster are attached. A few VMs are able to communicate with each other on the same node but are unable to connect to other parts of the network.
What is the likely cause of this issue?
In which part of the Knowledge Transfer can the customer learn how to create, escalate, comment, and close cases?
During an AHV upgrade, a database VM automatically migrated to another host. A customer is concerned about potential storage performance impact.
Which statement addresses the customer's concern?
What is the minimum number of nodes required for a Nutanix Cluster to support Replication Factor 3 (RF3) on a storage container?
A consultant is preparing to foundation over a customer network that has the following criteria:
* VLAN segmented network
* VLAN tags on the nodes must be imaged prior to starting the foundation process.
For each node, the consultant has done the following:
* Connected to the Network Crash Cart of the Node
* Logged in using “root” credentials
What should the consultant do next?
A consultant and customer agree on a scope of services regarding the deployment of a new Nutanix cluster.
Which two products does this scope apply to? (Choose two.)
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?
As a part of a cluster deployment test plan, a customer asks the consultant for some additional performance and resiliency tests.
How should the consultant best satisfy this request?
Where in the Support Portal is the Best Practices guide for vSphere Networking located?
Refer to the exhibit.
User 1 and User 2 belong to the AAPM group
What are two descriptions of how Files perform quota management? (Choose two.)
A customer would like to re-image an existing cluster. The Foundation Applet and Foundation VM is unavailable to them.
How can the consultant access Foundation-as-a-Service (FaaS)?
A consultant is setting up a new Hyper-V cluster. The customer requirements are as follows:
* VMs should automatically failover to another host if the host crashes
* Host CPU and Memory resources should be evenly balanced
* New VMs should be placed on the host with the most resources available
Which two Hyper-V features can be used to meet the requirements? (Choose two.)
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.)
A consultant is reimaging a Nutanix cluster with a supported ISO, but Foundation returns an error that the media is not a supported ISO.
Which two actions should the consultant take to resolve this issue? (Choose two.)
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?
Which configuration item is a hard requirement to deploy a Nutanix cluster?
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?
In preparing to install a new cluster for a company, a consultant needs to complete an installation worksheet.
Which values must be documented prior to initial base system setup?
A consultant is deploying a Nutanix cluster at a customer location. The consultant will be deploying the latest AOS along with the latest Nutanix hardware.
Which three references should the consultant review prior to this installation? (Choose three.)
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?
During Foundation using a customer-provided network switch, a consultant is facing time-out issues.
What action should the consultant take to resolve this issue?
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
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?
Refer to the exhibit.
An administrator logs in to Prism and sees the status shown in the exhibit within the Hardware Diagram section.
What should the administrator do?
Refer to the exhibit.
A Nutanix host is connected as shown in the exhibit with br0-up set to active/backup. Physical Switch 1 experiences a power outage causing br0-up to failover to using eth2. The CVM and host become inaccessible. User VMs restart on other hosts in the cluster, which causes a disruption to those VMs.
Which configuration issue likely caused this outage?
A consultant is deploying a new Nutanix cluster. The nodes have the following network interfaces.
◦ 2x 10G NICS
◦ 2x 25G NICS
The consultant is using the default virtual switch configurations for AHV. After creating 10 VMs, the consultant observes inconsistent network speeds from the VMs on the AHV host.
What should the consultant do to resolve this issue?
Refer to the exhibit.
A consultant is deploying a cluster using the customer-provided IP addressing information.
Which option in Foundation must be configured to ensure connectivity during the deployment?
A customer needs a 20-node cluster built. The consultant only has a 16-port flat network switch, and the customer is using VLAN tagging for the hosts and CVMs.
How should the consultant create the cluster?
A consultant has deployed a new Nutanix AHV cluster with Foundation. The customer requests separating the management and production traffic in the CVM.
Which feature should the consultant configure?
An administrator needs to make sure an RF3 cluster can survive a failure of two complete racks without negatively affecting performance. The current cluster configuration consists of the following:
• 30 All Flash Nodes: distributed 10 nodes per rack across three 42U racks
• Each node is configured with 20TB usable storage all flash (Cluster Total 600TB Usable)
• Current cluster utilization is 500TB storage
• Storage containers have Erasure Coding enabled
Which configuration changes should be made to make sure the cluster meets the requirements?