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

Questions 4

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?

Options:

A.

The switch is not plugged into the power supply.

B.

Desktop Firewall is blocking ping requests.

C.

Network cables are not connected.

D.

Laptop WiFi configured to use DHCP.

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Questions 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?

Options:

A.

/home/nutanix/foundation/log

B.

~/data/logs/foundation.out

C.

foundation.app/contents/resouces/log

D.

~/data/logs/foundation

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Questions 6

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.

Whataction 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 7

An administrator manages the following two Nutanix AOS 5.15 cluster environment:

• Corp-cluster-01

• Corp-cluster-02

The VM images must be available only onCorp-cluster-01, but cannot be checked out to cluster Corp-cluster-02. The images also cannot be checked out to any other clusters that are registered with Prism Central in the future.

Which two configuration settings must the administrator choose when creating the image placement policy that satisfies the stated requirements? (Choose two.)

Options:

A.

Create an image placement policy that identifies cluster Corp-cluster-01 as the target cluster

B.

Set the policy enforcement to Soft.

C.

Set the policy enforcement toHard.

D.

Create an image placement policy that identifies cluster Corp-cluster-02 as the target cluster.

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Questions 8

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 9

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?

Options:

A.

There is a VLAN misconfigurationon the VMs.

B.

The vNIC port is disconnected on the affected VMs.

C.

There is a VLAN misconfiguration on the switch.

D.

Jumbo Frame are misconfigured across ports.

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Questions 10

Anadministrator 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?

Options:

A.

Revise the schedule tc be 15 minutes

B.

Revise the schedule to be 60 minutes

C.

Revise the schedule to be 30 minutes

D.

Revise the schedule to be 45 minutes

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Questions 11

An administrator is using Nutanix Move to migrate aWindows 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 theadministrator do to continue with the migration with Nutanix Move?

Options:

A.

Use a Domain Admin account for the Windows VM

B.

Reboot the Windows VM and try the migration again

C.

Follow manual VM preparation guidelines

D.

Place Windows VM in Maintenance Mode

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Questions 12

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 13

A consultant successfully completes a Foundation using a flat switch. The consultant then works with the customer to move the cluster over to their production network. After the move, the CVMs and hypervisors can no longer communicate, which prevents the cluster from starting.

Which option should be used to resolve this issue?

Options:

A.

If the IPMI is in use, check that the IPMI can ping the default gateway over IPv6.

B.

Make sure that the IPMI and CVM VLAN is manually tagged on the Host and CVM.

C.

Verify that IPv6 Link Local and DHCP is enabled on all switch ports.

D.

If using VLANs, confirm the hypervisor/CVM VLAN is set as Native on the switch ports.

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Questions 14

An administrator is deploying a new application to a Nutanix Enterprise Cloud. The application requires a security to prevent unauthorized access. Theapplication 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?

Options:

A.

Use existing categories for the VMs. and create new security policies to use the existing categories.

B.

Use existing categories for the VMs and modify existing security policies to include the specific port.

C.

Create new categories for the VMs, and create new security policies that include the new categories.

D.

Create new categories for the VMs, and modify existing security policies to include the new categories.

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Questions 15

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 16

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 Leapand Nutanix Flow have been enabled on Prism Central

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Questions 17

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

Which command should the consultant use?

Options:

A.

cluster -c IP_CVM_A, IP_CVM_B, IP_CVM_n

B.

cluster create -s IP_CVM_A, IP_CVM_B, IP_CVM_n

C.

cluster -s IP_CVM_A, IP_CVM_B, IP_CVM_n create_manual

D.

cluster -s IP_CVM_M, IP_CVM_B, IP_CVM_n create

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Questions 18

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 19

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?

Options:

A.

Use Cross Hypervisor DR to replicate VMs from ESXi to AHV

B.

Use VMware Converter

C.

Use Nutanix one-click cluster conversion from ESXi to AHV

D.

Usestorage live migration

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Questions 20

A customer has engaged a Nutanix consultant to deploy a cluster consisting of two NX-3460-G6 blocks. The consultant arrives at the customer site and fines the following:

* One rack with a total of 5U available

* Two ToR switches with 14 total available ports

* Dual PDUs with six available sockets

What will prevent the consultant from successfully installing the cluster?

Options:

A.

Insufficient sockets for power allocation.

Rack space may not be continuous.

B.

Insufficient rack space for block installation.

Insufficient sockets for power allocation.

C.

Insufficient network ports for communication.

Insufficient sockets for power allocation.

D.

Insufficient network ports for communication.

Insufficient sockets for power allocation.

E.

Insufficient network ports for communication.

Rack space may not be continuous.

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Questions 21

An administrator protected a DB VM running on a Nutanix cluster with NearSync Replication, which schedules to repeat every 15 minutes □ to a second site. The daily change rate is low. During nightly backups, the replication window is missed due to write volume.

Which two options describe the expected behavior? (Choose two.)

Options:

A.

NearSync stops working and fails over to the remote site.

B.

Protection Domain transitions back to the hourly schedule.

C.

The Administrator needs to re-enable it manually.

D.

The system continuously tries to get to the NearSync schedule.

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Questions 22

A consultant creates an AHV cluster and connects the Intel X550T NICs to the top of rack switch using Twinax cables. The activity and link lights are green. The cluster cannot communicate over the 10GbE link.

What is the first command the consultant should perform to troubleshoot the issue?

Options:

A.

manage_ovs show_bridges

B.

manage_ovs show_interfaces

C.

manage_ovs update_uplinks

D.

manage_ovs show_uplinks

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Questions 23

A customer needs to meet the following requirements for their business critical application:

* SQL Servers must be on specific hosts to lower licensing costs.

* Oracle RAC servers must be on separate hosts for licensing reasons

Which policy or policies should be implemented to meet these requirements?

Options:

A.

Configure VM-VM anti-affinity policy.

B.

Configure VM-VM affinity policy.

C.

Configure both VM-Host and VM-VM affinity policy.

D.

Configure VM-Host affinity policy.

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Questions 24

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?

Options:

A.

1. CD to /root/nutanix-network-crashcart/

2. Start Network Utility tool by running: ./network_configuration

3. Change Values

B.

1. CD to /home/data/nutanix/nutanix-network-crashcart/

2. Start Network Utility tool by running: ./network_configuration

3. Change Values

C.

1. Log into CVM using nutanix@192.168.5.254

2. CD to /root/Nutanix-network-crashcart/

3. Start Network Utility tool by running: ./network_configuration

4. Change Values

D.

1. Log into CVM using nutanix@192.168.5.254

2. CD to /home/data/nutanix/nutanix-network-crashcart/

3. Start Network Utility tool by running: ./network_configuration

4. Change Values

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Questions 25

A customer has the following requirement for a Nutanix cluster:

  • Must support high-performance Nutanix Volumes iSCSI workloads
  • Must utilize AHV nodes
  • Must use 10 GbE interface

How should the customer optimize networking?

Options:

A.

Enable Jumbo Frame on just the Host

B.

Convert Cluster to ESXi and enable Jumbo Frame on Host and CVM

C.

Enable Jumbo Frames on just the CVM

D.

Enable the use of Jumbo Frame on Host and CVM

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Questions 26

An existing Nutanix customer has several clusters in production and is adding a new cluster. The customer wants to create an AHV cluster that has already been racked and powered on remotely, with the factory image, using Prism Central.

Which step should the consultant take next?

Options:

A.

Build the cluster with the Foundation Applet

B.

Build the cluster with the Foundation VM.

C.

Bare metal image the nodes with the Foundation VM.

D.

Build the cluster with Foundation Central.

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Questions 27

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?

Options:

A.

show lldp neighbors

B.

show cdp neighbors

C.

show interfaces

D.

lldpctl

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Questions 28

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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Exam Code: NCS-Core
Exam Name: Nutanix Certified Services Core Infrastructure Professional
Last Update: Apr 25, 2024
Questions: 191

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