NCS-Core Exam Dumps, NCS-Core Practice Test Questions
PDF (New 2021) Actual Nutanix NCS-Core Exam Questions
NEW QUESTION 96
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?
- A. Convert Cluster to ESXi and enable Jumbo Frame on Host and CVM
- B. Enable Jumbo Frame on just the Host
- C. Enable Jumbo Frames on just the CVM
- D. Enable the use of Jumbo Frame on Host and CVM
Answer: B
NEW QUESTION 97
A customer with a four-node RF2 cluster is addingapplication 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?
- A. The cluster is not resilient in the storage fabric
- B. There is available capacity in the storage fabric and the cluster is resilient.
- C. The customer has the ability to add more VMs up to the 100% storage utilization.
- D. Node failure is imminent due to storage utilization.
Answer: A
Explanation:
Explanation
https://next.nutanix.com/how-it-works-22/recommended-maximum-storage-utilization-37234
NEW QUESTION 98
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?
- A. PAgP
- B. LACP on switch
- C. Jumbo frames
- D. Portfast
Answer: D
NEW QUESTION 99
During a six-node cluster deployment, one node fails to image successfully and Foundation is unable to automatically configure the cluster. The consultant decides to manually complete cluster formation with the successful nodes, then expand the cluster with the remaining unconfigured node.
Which command should be used to begin the process?
- A. cluster status
- B. cluster create
- C. cluster start
- D. cluster expand
Answer: B
NEW QUESTION 100
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?
- A. Add memory to the nodes in the cluster.
- B. Increase the amount of SSD storage in the cluster.
- C. Increase the number of vCPU cores allocated to the CVM.
- D. Add CPU resources to the cluster.
Answer: D
NEW QUESTION 101
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?
- A. Create a new Scenario selecting Test VMs. filter by uptime
- B. Filter VMs list, choose Test category and Inactive under Efficiency
- C. Use Capacity Runway to filter by Test and Powered-off VMs
- D. Create a new Project selecting Test VMs,sorting by power state
Answer: B
Explanation:
NEW QUESTION 102
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?
- A. The VMs need to have static IPaddresses
- B. Change the network the VMs are connected to
- C. Update the switch to specifically allow VLAN 15
- D. Change the spanning-tree port type on the switch
Answer: C
Explanation:
Explanation
Ref:https://hyperhci.com/2019/11/09/nutanix-ahv-enable-vlan-trunk-mode-on-guest-vm/
NEW QUESTION 103
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?
- A. Bully VM
- B. Inactive VM
- C. Over-provisioned VM
- D. Constrained VM
Answer: D
Explanation:
NEW QUESTION 104
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. The cluster was not stopped prior to connecting to the customer network.
- B. The consultant did not run Nutanix Cluster Check (NCC..
- C. Foundation did not create the cluster successfully.
- D. The Cluster Virtual IP Address (VIP) was not set up during the process.
Answer: A
NEW QUESTION 105
Anadministrator is notified that a bare metal database server is down. This database server is being served storage using a Nutanix Volume Group. Upon investigating, the administrator finds that the disks in the database server that map to the vDisks in thevolume group have gone offline.
What is causing this issue?
- A. Port 3260 has been blocked in the server firewall.
- B. A CVM serving the Volume Group has gone offline.
- C. The Volume Group Load Balancer has been disabled.
- D. Port 9443 is blocked in the server firewall.
Answer: B
NEW QUESTION 106
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.)
- A. On a CVM. run the command a Hash ntpq -pn.
- B. Restart genesis on all CVMs.
- C. Restart the chronosservice on all CVMs.
- D. Confirm that the NTP servers are reachable from the CVMs.
Answer: A,D
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/kbs/details?targetId=kA032000000bmjeCAA#Review_ntpq
NEW QUESTION 107
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?
- A. The CVM/hypervisor cannot use the same VLAN as guest VMs.
- B. The switch port is not set up as a trunk.
- C. Only one VLAN is supported on AHV.
- D. The CVM/hypervisor must be on an untagged VLAN.
Answer: B
NEW QUESTION 108
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. ~/data/logs/foundation
- B. ~/data/logs/foundation.out
- C. /home/nutanix/foundation/log
- D. foundation.app/contents/resouces/log
Answer: C
NEW QUESTION 109
A consultant creates a Windows VM after installing a new Nutanix cluster running AHV. The consultant has statically assigned an IP address to the VM but it is unable to communicate on the network.
Which action should the consultant take to resolve this issue?
- A. Confirm that IPv6 is enabled on the guest VM.
- B. Confirm that the VM vNIC is tied to the correct VLAN in Prism Element.
- C. Mount and install the Nutanix Guest Tools.
- D. Set a Group Policy to make sure the Windows Firewall is disabled.
Answer: B
NEW QUESTION 110
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?
- A. ovs-vsctl set port br0-up bond_mode=balance-slb
- B. ovs-vsctl set port br0-up bond_mode=balance-slb
ovs-vsctl set port br0-up other_config:bond-rebalance-interval=30000
ovs-vsctl set port br0 tag=10 - C. ovs-vsctl set port br0-up other_config:lacp-fallback-ab=true
ovs-vsctl set port br0-up lacp=active
ovs-vsctl set port br0-up bond_mode=balance-tcp - D. ovs-vsctl set port br0-up bond_mode=active-backup
ovs-vsctl set port br0-up other_config:bond-rebalance-interval=30000
Answer: B
NEW QUESTION 111
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?
- A. show cdp neighbors
- B. show interfaces
- C. lldpctl
- D. show lldp neighbors
Answer: C
NEW QUESTION 112
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?
- A. Leap
- B. Asyn&DR
- C. Metro Availability
- D. NearSync
Answer: A
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/solutions/details?targetId=BP-2005_Data_Protection:BP-2005_D
NEW QUESTION 113
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.)
- A. Set the policy enforcement toHard.
- B. Create an image placement policy that identifies cluster Corp-cluster-01 as the target cluster
- C. Set the policy enforcement to Soft.
- D. Create an image placement policy that identifies cluster Corp-cluster-02 as the target cluster.
Answer: A,B
Explanation:
Explanation
Ref:https://next.nutanix.com/community-blog-40/nutanix-just-made-ahv-image-management-painless-33144
NEW QUESTION 114
A three-node cluster has a Nutanix Files instance with three FSVMs.
What happens after a node failure?
- A. The affected FSVM willbe restarted on another node.
- B. The affected FSVM will not be restarted on another node due to its VM-to-VM anti-affinity settings.
- C. The affected FSVM will not be restarted on another node due to its agent VM setting.
- D. The affected FSVMwill get live-migrated to another node.
Answer: A
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Files-v3_6:fil-files-high-availability-c.html
NEW QUESTION 115
In a Nutanix cluster, a Protection Domain contains 50 entities that are replicated to a remote Single Node Replication Target.
The current schedule configuration is as follows:
* Repeat every 6 hours
* Local Retention Policy 1
* Remote Retention Policy 8
* Starting time 12 am
At 8 am on Monday, the administrator discovers that a protected VM is corrupted. The latest good state was Sunday 2 pm. The administrator needs to maintain current protection.
Which strategy should the administrator use to meet these requirements?
- A. From the local site, restore the VM from the local snapshot by selecting the correct snapshot.
- B. From the local site, retrieve the correct remote snapshot, then restore the VM locally.
- C. From the Remote site, restore the VM from the local snapshot by selecting the correct snapshot
- D. From the Remote site, activate the Protection Domain, then re-protect the entity.
Answer: B
NEW QUESTION 116
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?
- A. Cloud Connect
- B. Async
- C. Near Sync
- D. Metro Availability
Answer: C
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Prism-Element-Data-Protection-Guide-v5_18:w
NEW QUESTION 117
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?
- 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
Answer: B
Explanation:
NEW QUESTION 118
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Updated Dec-2021 Pass NCS-Core Exam - Real Practice Test Questions: https://examsboost.pass4training.com/NCS-Core-test-questions.html
