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NCS-Core Nutanix Certified Services Core Infrastructure Professional Questions and Answers

Questions 4

A consultant is imaging a Nutanix cluster with VMware ESXi. Foundation returns an error that the media is not a supported ISO. The consultant checks the whitelist file in Foundation and confirms that the version of the ISO is not listed.

Which three actions should the consultant take to resolve this issue? (Choose three.)

Options:

A.

Replace and save whitelist file in Foundation

B.

Obtain the MD5 checksum of the ISO and confirm MD5 checksum of ISO is listed.

C.

Download the iso_whitelist.json from the Support portal.

D.

Edit the whitelist file in Foundation.

E.

Restart the imaging process in Foundation.

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Questions 5

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?

Options:

A.

The NICs are configured for active-backup.

B.

The VLANs are configured correctly on the switch or tagged on the cluster.

C.

The other two 10GbE connections are removed from the default bond.

D.

The NICs are connected for balance-slb.

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Questions 6

An administrator responsible for a VDI environment needs to investigate reports of slow logins. The administrator finds that increasing the number of vCPUs from 2 to 4 will reduce the login times. Production workloads are consuming 75% of the host CPU on the cluster. The administrator increases the vCPU count on all of the VDI VMs.

What are two impacts on the cluster? (Choose two.)

Options:

A.

Increase CPU utilization%

B.

Increase CPU ready%

C.

Increase memory utilization%

D.

Increasing CPU counts will decrease memory utilization

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Questions 7

The following alert appears on the file server alerts tab in the file server dashboard:

Which two events can generate this alert? (choose two)

Options:

A.

A three-node duster hosting the file server is undergoing AOS upgrade.

B.

A node failed in a three-node cluster.

C.

A Nutanix file with four hie server VMs is deployed on a three-node duster.

D.

A node is set to the maintenance mode in a three node cluster.

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Questions 8

A consultant needs to upgrade the ESXi hosts on a Nutanix cluster from version 6.7 to 7.0. vSphere DRS and wMoton are working properly. The consultant needs to use One-Click Upgrade.

Which setting should be verified by the consultant?

Options:

A.

vSphere HA is enabled.

B.

Nutanix Prism HA is enabled.

C.

vSphere DRS Automation level is set to Conservative.

D.

DRS automation level on all CVMs is disabled.

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Questions 9

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

• CPU usage < 20%

• CPU ready time < 5%

• Memory usage < 50% (moderately) or < 20% (severely)

• Memory swap rate = 0 Kbps

Which type of VM is being described?

Options:

A.

Constrained VM

B.

Inactive VM

C.

Bully VM

D.

Over-Provisioned VM

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Questions 10

Which subnet is reserved for internal connectivity within a Nutanix Cluster?

Options:

A.

192.168.5.0/24

B.

192.168.254.0/24

C.

192.168.5.0/23

D.

192.168.5.0/26

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Questions 11

During the cluster deployment, a consultant conducts operational tests on a vCenter-managed ESXi hypervisor.

As a part of tests, vCenter must place the host into maintenance mode, however, the task is stuck and the CVM is not shutting down automatically.

What should the consultant do to resolve the issue?

Options:

A.

Shutdown the CVM using cvn_shutdown -P now.

B.

Put the node into maintenance mode using

C.

acli host.enter_maintenance_mode Hypervisor address.

D.

Put the node into maintenance mode using ’-/serviceability/bin/esx-shutdown

-s cwn_.£p_addr

E.

Shutdown the CVM using shutdown -h now.

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Questions 12

A new Nutanix cluster is ready for production on a remote site with no IT staff. Changes to the infrastructure will cost money and probably cause a cluster stop. The administrator needs to perform a health check on the environment that should include:

• Network connectivity checks

• Network performance status

• Storage performance status

Which tool should be used to perform this test?

Options:

A.

X-Ray

B.

clurator_cli

C.

NCC

D.

diagnostic, py

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Questions 13

During the knowledge transfer on Prism GUI, a customer asked about AHV best practices for VM High Availability on a five-node cluster and the safest configuration. The consultant informed the customer that best practices dictate that all storage containers are configured with a replication factor of 3.

What will be the behavior if the non-default Guarantee mode is selected on Prism with two AHV host failures?

Options:

A.

Keeping the default mode will ensure that all VMs can restart in case of two AHV host failures.

B.

Keeping the default mode will ensure that all VMs can restart in case of an AHV host failure.

C.

Will ensure that all VMs can restart if two AHV nodes remains online.

D.

Will ensure that all VMs can restart in case of two simultaneous AHV host failures.

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Questions 14

Which container advanced setting should be configured to prevent ISO container images from exceeding a 100GB limit.

Options:

A.

Reserved capacity

B.

Advertised capacity

C.

Erasure coding

D.

Compression

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Questions 15

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?

Options:

A.

Download the hypervisor ISO again from the vendor website.

B.

Restart the Foundation process and upload the hypervisor again.

C.

Download the latest hypervisor ISO whitelist file from Nutanix portal.

D.

Check the hypervisor version in the Nutanix Compatibility Matrix.

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Questions 16

A customer wants to run SAP HANA on a Nutanix cluster with the following characteristics:

• AHV nodes

• SAP HANA version 2

• Production database files

Which configuration should be recommended to the customer?

Options:

A.

Start with a cluster containing three or more nodes

B.

Enable only compression for the container that contains the Production database

C.

Do not enable compression, deduplication. or erasure coding on the storage container

D.

Plate the SAP HANA Database on the same socket as CVM

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Questions 17

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.)

Options:

A.

Network Configuration item in Settings menu

B.

Host view in Network menu

C.

Host NICs tab in Hardware menu

D.

I/O Metrics tab in VM menu

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Questions 18

Refer to Exhibit:

A customer has completed and given the pre-delivery questionnaire to the consultant. The customer has indicated that they are using HPE/OEM hardware.

Which action should the consultant take to prepare the laptop and Foundation networking for the installation?

Options:

A.

Configure Backplane Traffic Isolation.

B.

Set IP Addresses in CVM/Host subnet only.

C.

Set IP Addresses in both CVM/Host and IPMI subnets.

D.

Enable network segmentation.

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Questions 19

Refer to the exhibit.

An administrator configures Active Directory authentication as shown in the exhibit. Upon finishing setup, users are not able to log in.

What configuration change should be made to fix this issue?

Options:

A.

Change leaps to https

B.

Change the Directory URL to use an IP rather than a name

C.

Change the plct from 389 to 636

D Change the Domain to use an IP rather than a name

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Questions 20

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?

Options:

A.

Storage reservation for 10%; HA admission control for 10%, cluster RF3

B.

Storage reservation for 5%; HA admission control for 5%, cluster RF2

C.

Storage reservation for 5%; HA admission control for 5%, cluster RF3

D.

Storage reservation for 10%; HA admission control for 10%, cluster RF2

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Questions 21

Refer to the exhibit.

An administrator is commissioning a Nutanix Enterprise Cloud. Once the user VMs have been deployed and are running, the administrator finds that VMs on the same host are able to communicate, but are unable to communicate between hosts.

What must be changed to enable full inter-VM communications?

Options:

A.

Change the network the VMs are connected to

B.

Change the spanning-tree port type on the switch

C.

The VMs need to have static IP addresses

D.

Update the switch to specifically allow VLAN 15

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Questions 22

A system administrator needs to shut down an AHV node in a Nutanix cluster without causing service disruption. The administrator checks data resiliency and verifies that the cluster can tolerate a node down.

Which three steps should the administrator perform next? (Choose three.)

Options:

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Questions 23

How should a consultant validate the installed version of an NVIDIA driver in a Nutanix VDI deployment?

Options:

A.

[root@ahvrpm qa I grep i nvidia

B.

nutanix@cvm~$ rpm -qa I grep -i nvidia

C.

adminGcvm^S rpm -qa I grep i nvidia

D.

[rootQesxi -)# rpm -qa I grep -i nvidia

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Questions 24

A consultant successfully creates a Nutanix cluster. The consultant needs to configure containers for the customers business critical applications and general server workloads. The customer requirements are to achieve maximum storage space savings and optimize

I/O performance.

What setting(s) should the consultant enable on the storage container(s)?

Options:

A.

Compression and deduplication

B.

Deduplication only

C.

Compression and erasure coding

D.

Compression only

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Questions 25

An administrator receives reports that VDI desktop performance in an 8-node Nutanix 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?

Options:

A.

Increase the amount of SSD storage in the cluster.

B.

Add memory to the nodes in the cluster.

C.

Add CPU resources to the cluster.

D.

Increase the number of vCPU cores allocated to the CVM.

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Questions 26

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.)

Options:

A.

User 2 can continue to add another 3GB file but will receive a daily notification email.

B.

User 1 can continue to add another 5GB file but will receive a daily notification email.

C.

User 1 can add an 8GB file to the share without receiving notification.

D.

User 2 can add an 8GB file without receiving a notification email.

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Questions 27

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?

Options:

A.

Disable the vNIC on the affected VM

B.

Quarantine the VM using the Forensic Method

C.

Create a firewall rule that blocks VM traffic but permits diagnostic access

D.

Create a security policy with a service chain directing that VMs traffic to the firewall VM

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Questions 28

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?

Options:

A.

Us untagged VLANs for the CVM and host and trunk mode for IPMI.

B.

Use Native VLANs for the CVM and host and access mode for IPMI.

C.

Use tagged VLANs for the CVM and host and access mode for IPMI.

D.

Use Native VLANs for the CVM and host and trunk mode for IPMI.

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Questions 29

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.)

Options:

A.

Workloads are multi-threaded.

B.

VMs have one vCPU configured.

C.

VMs have multi-queue disabled.

D.

VMs have more than one vCPU.

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Questions 30

A consultant has completed a cluster build according to the following requirements:

•Syslog Setup with ERROR level Logging

•Proxy Setup

•SNMP v3 Trap setup

When adding the cluster to an existing Prism Central with a proxy setup, the following error is triggered in the Prism Gateway logs:

Caused by: corn.nutanix.util .base.ValidationException: Prism Central is unreachable

What configuration is likely missing?

Options:

A.

Whitelist of Prism Central OSIP inside of Prism Element and all Prism Element CVMs inside of Prism Central

B.

Whitelist of Prism Central VIP inside of Prism Element and Prism Element VIP inside of Prism Central

C.

Whitelist of AHV Host IP addresses in Prism Central

D.

Whitelist of Prism Central DSIP inside of Prism Element

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Questions 31

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.)

Options:

A.

Confirm that the NTP servers are reachable from the CVMs.

B.

Restart genesis on all CVMs.

C.

On a CVM. run the command a Hash ntpq -pn.

D.

Restart the chronos service on all CVMs.

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Questions 32

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?

Options:

A.

Only copper cables, not fiber cables, are required for SFP* modules.

B.

The customer can use any fiber cable from existing network devices.

C.

Nutanix provides fiber cables based on the fiber channel ports on the server.

D.

The consultant should remind the customer that it is their responsibility to procure compatible fiber cables.

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Questions 33

An administrator learns that some security settings in a cluster have been changed. The environment is out of compliance with required policies.

Which function should be used to revert any settings that have changed from the defaults and prevent further violations?

Options:

A.

Cluster Lockdown with strong password enforcement

B.

Advanced Intrusion Detection Environment (AIDE)

C.

Security Configuration Management Automation (SCMA)

D.

Defense Information Systems Agency STIG enforcement

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Questions 34

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?

Options:

A.

Controller VM is experiencing high CPU ready time.

B.

Curator scans causes by ILM constantly moving data.

C.

VM Flash Mode reduces SSD tier capacity for VMs.

D.

Database VM is experiencing high CPU ready time.

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Questions 35

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?

Options:

A.

IPv6 is not enabled on the switch.

B.

IPMI port is not plugged in.

C.

Foundation VM is running on a Windows host.

D.

10GbE ports are configured with the incorrect duplex setting.

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Questions 36

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?

Options:

A.

Create Cluster -> Install License Key -> Encrypt Cluster -> Create Storage Containers

B.

Create Cluster -> Install License Key -> Create Storage Containers -> Encrypt Cluster

C.

Create Cluster -> Encrypt Cluster -> Install License Key -> Create Storage Containers

D.

Create Cluster -> Create Storage Containers -> Encrypt Cluster -> Install License Key

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Questions 37

While trying to upgrade AOS in a cluster, a consultant receives a warning message that there are two powered-on VMs that need to be powered off for the upgrade to proceed.

What would cause this warning to be issued?

Options:

A.

Upgrading a single-node cluster requires the VMs to be shut down.

B.

Upgrading a two-node cluster requires the VMs to be shut down.

C.

There are not enough resources left in the single-node cluster.

D.

There are not enough resources left in the two-node cluster.

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Questions 38

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?

Options:

A.

As a single VM on the Nutanix cluster

B.

On hardware external to the Nutanix duster

C.

As a clustered VM setup on the Nutanix cluster

D.

As a single VM deployed on the host that contains the Prism leader CVM

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Questions 39

Refer to the exhibits.

A consultant is trying to test port failover on the node shown in the first exhibit. A continuous ping test is performed to the host. The consultant shuts down one of the links, after which the host ping request times out. The consultant tries to troubleshoot the issue with the customer and sees the information shown in the second exhibit on their Cisco Switches:

What is causing the issue?

Options:

A.

There is a Native VLAN mismatch on the switchport.

B.

The wrong VLAN is tagged on the host.

C.

Bad SPF+ cables are on the active interface.

D.

PortFast is not enabled on the port connected to the host.

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Questions 40

Refer to the exhibit.

A consultant is installing AOS 5.10 and ESXi 6.5 on three nodes. During the Foundation process, ESXi 6.5 is not available as one of the choices for hypervisor.

Which solution should the consultant use?

Options:

A.

Upload ESXi image to /home/Nutanix/foundation/nos/hypervisor/esx.

B.

Restart Foundation VM and refresh Foundation page.

C.

Update the Foundation whitelist from the support portal.

D.

Upload ESXi image to /home/Nutanix/foundation/isos/hypervisor/esx.

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Questions 41

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?

Options:

A.

Keep active adapters od different speeds as active standby

B.

Remove adapters that are active but not homogeneous.

C.

Keep homogeneous adapter as active and standby

D.

Remove the standby adapters under Teaming and Failover.

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Questions 42

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?

Options:

A.

Nutanix Move is running on Prism Central to import VMs from the Legacy Cluster.

B.

Prism Central was installed for Large Deployment environments.

C.

Prism Central is running on the legacy duster and requires more RAM.

D.

Nutanix Leap and Nutanix Flow have been enabled on Prism Central

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Questions 43

As a consultant concludes the project for deploying a new cluster, the customer expresses plans to repeat the process in-house for one of the company's dark site locations.

What three items can the consultant deliver in closing to help ensure customer's success in deploying and supporting Nutanix clusters?

Options:

A.

. Creating an account for access to Nutanix Support Portal

· External USB drive

. Offline NCC bundle

B.

· A trial license activation code for Prism Starter

. Creating an account for access to Nutanix Support Portal

. Guide for dark site deployments using Nutanix standards

C.

. Generating cluster licenses

. What are binaries and where can they be downloaded

. Creating an account for accessing the Nutanix Support Portal

D.

· External USB drive

. Access to Nutanix FTP

. Encrypted key required for accessing clusters

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Questions 44

A customer has requested help deploying a small single-VM instance of Prism Central in their environment that will be used for managing less than 100 guest VMs and registered to a single 5-node cluster. Due to business needs, the customer also plans to consume additional service features within the PC platform.

The consultant discusses with the customer and ultimately decides to deploy a small 3-VM instance to better account for possible resource overhead required once the additional services are enabled on the cluster.

The additional services the consultant must enable to meet the customer’s requests are as follows:

•Nutanix Disaster Recovery

•MS-SQL Server Monitonng

•Flow Microsegmentation

Why won’t the plan to deploy a small PC instance work for this customer?

Options:

A.

The consultant must specify during the small PC deployment that all 3 PCVMs are configured to have 32GB of memory in order to ensure adequate overhead.

B.

The additional services the customer needs cannot be supported on a small sized PC. Consultant must deploy at a minimum a large size PC.

C.

Flow Microsegmentation requires an X-Large 5-VM scale-out instance of Prism Central be deployed in order to avoid constraints.

D.

MS-SQL Server Monitoring requires additional licensing and a separate appliance to be deployed when using a small sized PC.

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Questions 45

A consultant is onsite and needs to start their Foundation Virtual Machine (FVM) to image Nutanix hardware. The FVM fails to boot. The consultant decides to use a different Foundation method.

Assuming the nodes will discover, which Foundation type or configuration option should the consultant select?

Options:

A.

Foundation VM

B.

Use IPMI IPs

C.

Use IPMI MACs

D.

Foundation Applet

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Questions 46

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?

Options:

A.

• Access the Hardware Page to verify resources are available

• Analyze ail CVM Speed Alerts in the Alerts/Events page

• Analyze output for the network and interface properties and connectivity issues

B.

• Verify Host/CVM connectivity on the Network Visualization page

• Use to verify the bridge and bond configuration

• Review alerts/events page for the CVM disconnected error

C.

• Review Alerts page for NIC speed alerts and alert timing

• Analyze the genesis.out log file for process failures

• Assess the NIC properties in the Network Visualization > Host Properties page

D.

• Restart networking services on the CVM

• Determine the current configuration of the affected CVM via output

• Access the Alerts/Events page for the CVM network connection failures

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Questions 47

A consultant completes a manual cluster creation of AHV. When the consultant logs into Prism Element, critical error messages appear regarding the hypervisor and NTP.

What component or setting, if misconfigured, would cause these errors?

Options:

A.

Cluster name

B.

Name Server

C.

Cluster Virtual IP

D.

Data Services IP

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Questions 48

A consultant discovers that while the Foundation VM and the consultant's laptop are able to ping each other nodes are rea discovered while trying to run Foundation on the customer's network.

What should the consultant do to resolve the issue?

Options:

A.

Connect to same switch as the cluster and ping.

B.

Install Java on the Foundation VM.

C.

Enable IPv6 and multicast on the switch.

D.

Enable IPv6 and multicast on the laptop.

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Questions 49

Refer to the exhibit.

An administrator creates a security policy that isolates their financial application from accessing the Internet When viewing the policy in Prism Central, several connections from the application are outbound to the Internet.

What is causing this issue with the policy?

Options:

A.

The 0.0.0.0 address was not specified in the outbound rule.

B.

The blocked connections are illustrated for information only.

C.

The Activate box was not checked in the rule, so it is not enforcing.

D.

The policy has been left in monitor mode instead of enforcing mode.

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Questions 50

A consultant is running Foundation discovery with Foundation VM and is unable to dynamically discover the nodes. The consumer needs another method to image the nodes.

What information does the consultant need to do bare metal Foundation?

Options:

A.

Serial # of Block

B.

IPMI MAC Address

C.

LAN MAC Address

D.

Serial # of Node

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Questions 51

A consultant creates a Nutanix cluster using the 10.10.10.0/24 network and VLAN 10. The customer creates a VM network inside the Prism using VLAN 20. The customer starts to create VMs but is unable to ping the default gateway from these new systems.

What is causing the issue?

Options:

A.

The CVM/hypervisor must be on an untagged VLAN.

B.

The switch port is not set up as a trunk.

C.

Only one VLAN is supported on AHV.

D.

The CVM/hypervisor cannot use the same VLAN as guest VMs.

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Questions 52

When utilizing the Nutanix cluster As Built Document generator, which two configuration elements should a consultant provide when running the run_as_built.exe command? (Choose two.)

Options:

A.

Data Services IP

B.

Cluster IP

C.

Remote Site IP

D.

Customer Name

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Questions 53

A consultant asks a customer to verify the ToR Switch data port configuration was done according to Nutanix best practices. The switch configuration must simplify future deployments and expansions.

Which two configuration actions will satisfy this requirement? (Choose two.)

Options:

A.

Disable multicast and broadcast flood optimizations.

B.

Configure the CVM and hypervisor host VLAN as the native.

C.

Use a tagged VLAN for the CVM and hypervisor hosts.

D.

Configure the connected switch ports as access.

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Questions 54

What is the minimum number of nodes required for a Nutanix Cluster to support Replication Factor 3 (RF3) on a storage container?

Options:

A.

3

B.

4

C.

5

D.

6

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Questions 55

A customer has two mission-critical applications and needs to have them backed up to a remote location. The remote location is connected using a leased line and has an average latency of 7 ms.

Which Nutanix technology will provide the shortest RPO possible?

Options:

A.

NearSync

B.

Leap

C.

Metro Availability

D.

Asyn&DR

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Questions 56

The following critical Availability Alert displays in prism Central:

The protection Policy PP-BCA-1HR includes a business critical application with a 1-hour snapshot frequency.

What is causing this issue?

Options:

A.

There is a scheduled outage for the Availability Zone referenced in Protection Policy PP-BCA-1HR.

B.

Workloads included in PP-BCA-1HR are no longer within their intended RPO.

C.

Prism Central in the Availability Zone for PP-BCA-1HR is unavailable.

D.

NearSync replication between the Availability Zones has fallen out of scope.

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Questions 57

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?

Options:

A.

Inline Compression

B.

Flash Mode

C.

Cache Dedup

D.

Post-Process Compression

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Questions 58

What are the two most important prerequisites to be validated before the consultant goes onsite? (Choose two.)

Options:

A.

Complete the kickoff call and validate the BOM (Bill of Materials).

B.

Verify whether the servers have been racked by the customer.

C.

Validate whether the cluster questionnaire is complete and if the physical switch configurations are complete.

D.

Identify the point of contact who can provide networking details and switch port information after arriving onsite.

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Questions 59

A consultant installs a new AHV cluster and moves the cluster into the customer's environment. Alter the move, the consultants notice that traffic is not being balanced across the physical NICs. The ToR switches have been configured with LACP.

Within Prism Element, which AHV network option should be set to resolve the issue?

Options:

A.

Active-Backup

B.

Active-Active

C.

No Uplink Bond

D.

Active-Active with MAC Pinning

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Questions 60

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?

Options:

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.

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Questions 61

Refer to the exhibit.

An administrator notices a critical alert on the Metro Availability Protection Domain What is causing this alert?

Options:

A.

Metro Availability Protection domain is active on the remote site.

B.

VMware Site Recovery Manager is handling a failover event

C.

Metro Availability did not fail over and caused an outage.

D.

vSphere moved VMs to the remote container, and the VMs must be moved back.

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Questions 62

A customer recently set up Async Replication between Site A and Site B. The customer wants to conduct a planned failover and clicks Activate on Site B.

The customer then runs the following command on Site A:

ncli pd deactivate_and__destroy_vms name=

What does this do to the customer environment?

Options:

A.

VMs get deleted from Site B. and the protection domain is now Active.

B.

VMs are powered off on Site A and must be manually powered on at Site B.

C.

VMs get deleted from Site A and the protection domain is no longer active.

D.

Customer must then manually power off VMs at Site A and power them on at Site B.

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Questions 63

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?

Options:

A.

A node has been rebalanced

B.

A drive has been reformatted

C.

A node has been rebooted

D.

A drive has been ejected

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Questions 64

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?

Options:

A.

Set VLAN tags on all hosts and CVMs.

B.

Create the Nutanix cluster manually.

C.

Connect the cluster to the production network.

D.

Create a separate four-node cluster.

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Questions 65

A consultant creates a new cluster using ESXi as the hypervisor. After creating the cluster, the consultant begins to run Life Cycle Manager (LCM) updates. During the LCM upgrade pre-checks, an error is returned.

Which configuration is causing this issue?

Options:

A.

ESXi cluster admission control is disabled.

B.

ESXi cluster DRS is enabled.

C.

ESXi cluster HA is enabled.

D.

ESXi cluster admission control is enabled.

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Questions 66

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

Options:

A.

Product Notices

B.

Solutions Documentation

C.

Software Documentation

D.

Knowledge Base

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Questions 67

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?

Options:

A.

AHV Metro - with Witness Operation

B.

Protection Domain Migrate

C.

Cross-Cluster Live Migration

D.

Test Failover

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Questions 68

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?

Options:

A.

A Quarantine Policy

B.

An Isolation Environment Policy

C.

An Application Security Policy

D.

A Whitehst-Based Policy

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Questions 69

Imaging fails for one or more nodes in the cluster

A log file displays this output:

Interface ethO has an uplink.

Downloading livefs files... Connecting to 10.249.230.171:8000 (10.249.230.171:8000) [80.852033] random: nonblocking pool is initialized

tar: short read livecd files not found.

What is the possible root cause?

Options:

A.

IPMI credentials are invalid.

B.

There is a problem connecting to the Foundation VM.

C.

Hypervisor version is not on the whitelist (iso_whitelist. j son).

D.

AOS version is incompatible.

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Questions 70

What is the default password shipped on new NX hardware from the factory for the ADMIN user on IPMI?

Options:

A.

node-serial-number

B.

nutanix/4u

C.

block-serial-number

D.

ADMIN

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Questions 71

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?

Options:

A.

Compression, Deduplication, and Erasure Coding

B.

Deduplication and Erasure Coding

C.

Compression and Deduplication

D.

Compression only

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Questions 72

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?

Options:

A.

Bridge br0-up should be configured to use balance-tcp rather than active/backup.

B.

The CVM should have eth1 connected to the OVS.

C.

The upstream port for eth2 is missing a VLAN.

D.

The user VMs only have one NIC

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Questions 73

Which subnet should a consultant be aware is reserved for internal connectivity within a Nutanix cluster?

Options:

A.

192.168.5.0/24

B.

192.168.5.0/23

C.

192.168.254.0/24

D.

192.168.5.0/26

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Questions 74

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.)

Options:

A.

Restart the imaging process in Foundation.

B.

Obtain the MD5 checksum of the ISO and confirm the MD5 checksum of ISO is listed.

C.

Edit the whitelist file in Foundation.

D.

Download and replace with the latest iso whitelist. json from the Support Portal.

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Questions 75

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?

Options:

A.

1. On the remote site, deactivate the Protection Domain using ncli

2. On the primary site, select the Protection Domain and dick migrate

B.

1. On the remote site, promote the Protection Domain

2. On the primary site, change the Protection Domain state from Decoupled to Disabled

3 Enable the original primary site as remote site

C.

1. On the prima7 site, suspend replications

2. On the remote site, deactivate the Protection Domain using ncli

3. On the remote site, migrate the protection domain back to the primary site

D.

1 On the remote site, restore the snapshots from the Protection Domain

2. On the remote site, select the Protection Domain and migrate to the primary site

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Questions 76

A customer has an ESXi cluster with two 10GbE NICs on each node and the following requirements.

◦Solution must follow Nutanix Best Practices

◦Network configuration should be redundant

◦A vSphere Distributed Switch will be utilized

Which load balancing configuration should be used?

Options:

A.

Route based on IP hash

B.

Route based on source MAC hash

C.

Route based on originating port ID

D.

Route based on physical NIC load

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Questions 77

Refer to Exhibit:

A customer is preparing to expand a cluster with a consultant. The production cluster is comprised of one NX-3460-G7 and two NX-8235 G8 blocks. The running AOS version is 5.20.4.6 and Hypervisor version is ESXi 6.7 U3b. vCenter is also running a 6.7 version.

One NX-3235-G9 block will be added to that cluster (ESXI-NUTA-09 and ESXI-NUTA-10).

The consultant has verified Nutanix documentation and customer’s As-Built guide:

•NX-3060-G7 and NX-8035-G8 are hybrid HCI nodes

•ESXi 6.7 U3b is unsupported for the new G9 hardware model

•AOS 5.20.X and ESXi 6 X are end of support

•NX-3060-G7 and NX-8035-G8 hypervisors can be upgraded to the latest ESXi supported version

What actions should be taken before beginning the cluster expansion?

Options:

A.

Upgrade vCenter, AOS and ESXi to supported and recommended versions.

B.

Upgrade only AOS and ESXi to supported and recommended versions.

C.

Replace all HDDs with SSDs on the Production cluster.

D.

Prepare Foundation and the whitelist. json file to deploy ESXi 6.7 U3b on the new nodes.

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Questions 78

A consultant has been tasked with increasing security on a Nutanix cluster by disabling password authentication when accessing the CVM and AHV hosts and instead moving to key-based SSH.

What is the easiest way for the consultant to meet these requirements?

Options:

A.

Enable STlGs via command line on SSH to a CVM.

B.

Configure LDAP authentication through a secure server.

C.

Enable Cluster Lockdown and provide an RSA key.

D.

Restrict access with User Management in Prism.

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Questions 79

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?

Options:

A.

Erasure coding

B.

Inline compression

C.

Reserve capacity

D.

Cache dedupe

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Questions 80

Refer to the exhibit.

A consultant migrated multiple VMs to a new cluster. VMs were previously in VLAN 10.

Why can the VMs no longer communicate on their network?

Options:

A.

The VNIC type should be set to VMXNET2.

B.

The GuestOS firewall is blocking traffic in the new cluster.

C.

The VLAN ID is incorrect.

D.

Static IP addresses have not been assigned to the new VMs.

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Questions 81

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.

Options:

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Questions 82

An administrator deletes a large amount of data from a Volume Group presented to a Linux VM. The administrator notices that the deleted data has not been reclaimed as usable storage.

What action should be taken to reclaim the storage capacity?

Options:

A.

Shrink the Volume Group that is associated with the Linux VM

B.

Unmount the Volume Group and then Remount the Volume Group

C.

Enable the unman operation on the Linux VM

D.

Run Defrag on the Linux VM

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Questions 83

A consultant has deployed a Nutanix cluster with AOS 5.10.x, then discovers the customer’s environment is running on AOS 5.6.x. The consultant decides to re-image the cluster using the foundation Java applet. During the Foundation discovery, all cluster nodes display a status of Unavailable.

What should the consultant do to resolve the issue?

Options:

A.

Use the Phoenix ISO

B.

Destroy the cluster.

C.

Restart the Genesis service on the cluster.

D.

Reset the IPMI IP addresses.

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Questions 84

A customer racks all nodes in the new cluster. The customer does not allow IPv6 for node discovery.

The consultant is not allowed to use the consultant’s own flat switch in the customer’s environment.

Which step should the consultant take to resolve this issue?

Options:

A.

Bare metal image all nodes with Foundation VM.

B.

Image each node individually with Foundation VM.

C.

Connect to the top of rack switch and discover the nodes with IPv4.

D.

Open a console to all nodes and statically assign IP addresses.

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Questions 85

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?

Options:

A.

LACP on switch

B.

PAgP

C.

Portfast

D.

Jumbo frames

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Questions 86

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?

Options:

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.

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Questions 87

After a consultant runs Foundation, the imaging process fails.

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

Options:

A.

On the Hypervisor - /home/nutanix/foundation/logs

B.

Logs link on the Foundation Imaging Screen

C.

On the Foundation VM - /home/nutanix/foundation/logs

D.

On the CVM - /home/Nutanix/foundation/logs

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Questions 88

In which part of the Knowledge Transfer can the customer learn how to create, escalate, comment, and close cases?

Options:

A.

Operations Guide

B.

Demonstration of the Support Portal

C.

Demonstration of features

D.

Handover Slides and Checklist

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Questions 89

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?

Options:

A.

Convert the cluster to AHV to support storage-only node requirements.

B.

Select the storage-only checkbox during Foundation and then expand the cluster in Prism.

C.

Buy a new node to meet the requirements of the storage-only node specifications.

D.

Edit the factory_config.json file to configure the node as storage-only and then expand the cluster in Prism

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Questions 90

A consultant configures a Nutanix cluster and integrates the hosts into vCenter using VMware best practices. The customer has requested that the Nutanix cluster only have a single datastore.

Upon configuring the cluster per the customer requirements, vCenter displays an alert regarding the heartbeat datastore. The consultant adds the das.ignoreInsufficientHbDatastore value = true rule. The container can be seen from each host, but the alert remains active.

What should the consultant do to resolve this issue?

Options:

A.

Turn off and then turn back on HA.

B.

Make sure the DRS setting is turned on.

C.

Create a second container.

D.

Whitelist the vCenter IP address within Prism.

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Exam Code: NCS-Core
Exam Name: Nutanix Certified Services Core Infrastructure Professional
Last Update: Dec 27, 2024
Questions: 302
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