Pass Your NCS Professional NCS-Core Exam on Feb 18, 2022 with 195 Questions
NCS-Core Free Exam Study Guide! (Updated 195 Questions)
NEW QUESTION 58
An administrator needs to make sure an RF2 cluster can survive a complete rack failure without negatively effecting workload performance. The current cluster configuration consists of thefollowing:
* 30 nodes: distributed 10 nodes per rack across three 42U rack
* Each nodes is configured with 40TB usable storage all flash (Cluster Total 1.2 PB Usable)
* Current cluster utilization is 900TB storage
Which configuration changes should be made to make sure that the cluster meets the requirements?
- A. Expanse the cluster by adding 8 nodes to a new 42U rack
- B. Expanse the cluster by adding 3 additional nodes per rack, 9 nodes total.
- C. Expanse the cluster by adding 2 additional nodes per rack, 6 nodes total.
- D. Expanse thecluster by adding 9 nodes to a new 42U rack
Answer: B
Explanation:
NEW QUESTION 59
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?
- A. Increase the OPLOG
- B. Use HDDs with higher RPM
- C. Increase SSD capacity
- D. Increase the write cache
Answer: C
Explanation:
Explanation
Ref:
https://portal.nutanix.com/page/documents/solutions/details?targetId=BP-2126-SAS-on-Nutanix:BP-2126-SAS-o
NEW QUESTION 60
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?
- A. Use the CLI and enter cluster add-node node-serial="node_serial".
- B. Use Prism Element, which will downgrade the node by default during the node add process.
- C. Use Prism Element to Expand the cluster and select the re-image option.
- D. Upgrade the cluster to 5.9 and add the node through Prism Element.
Answer: C
NEW QUESTION 61
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?
- A. The other two 10GbE connections are removed from the default bond.
- B. The NICs are connected for balance-slb.
- C. The VLANs are configured correctly on the switch or tagged on the cluster.
- D. The NICs are configured for active-backup.
Answer: D
NEW QUESTION 62
A consultant deploys a four-node VMware ESXi cluster and vCenter server. An HA/DRS cluster is configured for all four nodes. The customer deploys five new VMs on the cluster.
During the knowledge Transfer, a network cable on one node is removed to demonstrate HA and migration of the VMs to another host. In the HA/DRS cluster settings, the VM Restart Priority for all CVMs is set to Disabled. The customer observes warnings that the CVM on the ejected host is no longer powered on.
Which ESXi HA/DRS cluster setting is missing?
- A. Disable VM Monitoring on all CVMs.
- B. Enable EVC for the cluster.
- C. Disable Automation Level on all CVMs.
- D. Enable Host Monitoring.
Answer: C
NEW QUESTION 63
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?
- A. Enable Nutanix Flow at the Prism Central Level
- B. Convert storage only nodes into vSphere nodes
- C. Enable Jumbo Frames to accommodate network frames
- D. Manually disable CVM network Segmentation
Answer: C
NEW QUESTION 64
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?
- A. Insufficient rack space for block installation.
Insufficient sockets for power allocation. - B. Insufficient network ports for communication.
Insufficient sockets for power allocation. - C. Insufficient network ports for communication.
Insufficient sockets for power allocation. - D. Insufficient network ports for communication.
Rack space may not be continuous. - E. Insufficient sockets for power allocation.
Rack space may not be continuous.
Answer: A
NEW QUESTION 65
What reference materials should be provided to the customer during the Knowledge Transfer?
- A. As-Built Guide, technical slides and checklist, links to documentation and resources
- B. Questionnaire, technical slides and checklist, links to documentation and resources
- C. As-Built Guide, technical slides and checklist, Network Diagram
- D. As-Built Guide, Project Plan, links to documentation and resources
Answer: A
NEW QUESTION 66
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.)
- A. End-Of-Life (EOL) Information
- B. Software Product Interoperability
- C. Field & Security Advisories
- D. Release Notes
- E. Acropolis Advanced Administration Guide
Answer: B,C,D
NEW QUESTION 67
An administrator recently added in 3 nodes to an existing 5 node cluster. While 1 node came with its own block, theother 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?
- A. Check the factory_config.json for all 3 nodes
- B. SSH into the CVMs and run genesis acropolis stop; cluster start
- C. SSH into CVM and perform genesis restart on each CVM
- D. Check the factory_config. json for the two single nodes.
Answer: D
NEW QUESTION 68
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?
- A. Connect to the top of rack switch and discover the nodes with IPv4.
- B. Bare metal image all nodes with Foundation VM.
- C. Image each node individually with Foundation VM.
- D. Open a console to all nodes and statically assign IP addresses.
Answer: D
NEW QUESTION 69
An administrator is deploying an application that requires maximum I/O throughput for scratch data. The administrator is concerned that the throughput requirement is greater than what can be provided by asingle cluster node.
What should the administrator do to meet this requirement?
- A. Create a virtual disk attached tothe VM's PCI interface
- B. Create a volume group with several virtual disks and attach to the VM
- C. Create several virtual disks attached to the VM's virtual SCSI controller
- D. Create a volume group with one virtual disk attached to the VM
Answer: B
Explanation:
Explanation
Ref:https://next.nutanix.com/community-blog-40/scaling-up-vm-storage-performance-on-ahv-volume-group-loa
NEW QUESTION 70
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. Add up the recovered workloads and manually remove from the Runway configuration.
- B. Check the Disregard Existing Workloads radio button in the Runway scenario.
- C. Power down the workloads during a maintenance window and run the Capacity Runway.
- D. Check the Disregard Existing Nodes radio button in the Runway scenario.
Answer: B
NEW QUESTION 71
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?
- A. Bare metal using node serial numbers.
- B. Bare metal using block serial numbers.
- C. Bare metal using iDRAC MAC addresses.
- D. Bare metal using LAN MAC addresses.
Answer: C
NEW QUESTION 72
An administrator responsible for a VDI environment needs to investigate reports of slow logins.
Theadministrator 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.)
- A. Increase CPU utilization%
- B. Increase CPU ready%
- C. Increasing CPU counts will decrease memory utilization
- D. Increase memory utilization%
Answer: A,B
NEW QUESTION 73
A consultant is deploying a two-node cluster at a remote branch office.
Which component must be available to complete cluster configuration?
- A. Protection Domain
- B. Witness VM
- C. Remote Site
- D. Prism Central
Answer: B
NEW QUESTION 74
Refer to the exhibit.
An administrator logged into Prism Element, notices the following in the home dashboard, and showing the exhibit.
Which action should the administrator take next?
- A. Re-run NCC specifying data_resiliency_check
- B. Check the hardware page for disk failures
- C. Configure the fqdn for the hosts indicated
- D. Troubleshoot the zookeeper server issue
Answer: A
NEW QUESTION 75
A company needs to replicate their VMs to a remote site and must have an RPO of less than 1 hour.
When creating a protection domain, what should an administrator do to meet this requirement?
- A. Enable Async Replication with an RPO of 60 minutes
- B. Enable Entity Sync on the designated VMs
- C. Enable Availability Zones and send the VM to multiple targets
- D. Enable Near-Sync Replication with an RPO of 15 minutes
Answer: A
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v5_10:sto-pd-guidel
NEW QUESTION 76
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.)
- A. VMs have one vCPU configured.
- B. VMs have multi-queue disabled.
- C. VMs have more than one vCPU.
- D. Workloads are multi-threaded.
Answer: C,D
Explanation:
NEW QUESTION 77
Which Nutanix feature creation is described in the Knowledge Transfer?
- A. Self Service Portal
- B. Calm Blueprints
- C. Data Protection Domain
- D. REST API
Answer: C
NEW QUESTION 78
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.)
Answer:
Explanation:
Explanation
1 allow vms2 sd CVM3 sd node
NEW QUESTION 79
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