[Oct 29, 2024] Pass Nutanix NCS-Core Exam Info and Free Practice Test
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Nutanix NCS-Core (Nutanix Certified Services Core Infrastructure Professional) Certification Exam is a professional certification designed to validate the skills and knowledge of IT professionals in the core infrastructure of Nutanix products. NCS-Core exam covers a wide range of topics, including installation, configuration, and management of Nutanix software and hardware. Nutanix Certified Services Core Infrastructure Professional certification is recognized globally as a standard for IT professionals who work with Nutanix products.
NEW QUESTION # 67
A consultant is not able to run the As-Built Tool for a technical reason.
What action should the consultant take to gather information and provide customer documentation?
- A. Access portal.nutanix.com, search Software Documentation.
- B. Use RVTools for vSphere and Hyper-V deployments.
- C. Create a support case on behalf of a customer.
- D. Manually create documentation using As-Built document template.
Answer: D
Explanation:
If the As-Built Tool cannot be run due to technical reasons, the next best action for the consultant is to manually create documentation using an As-Built document template. This approach ensures that documentation is still provided to the customer detailing the setup, configuration, and operational state of their environment, which is crucial for ongoing management and future audits. This method is proactive and ensures customer needs are met despite technical setbacks.References: Nutanix Technical Documentation Guidelines, Best Practices in Nutanix System Documentation.
NEW QUESTION # 68
An administrator is managing multiple Windows and Linux VMs connected to Nutanix Volumes. The Linux VMs are experiencing intermittent connectivity issues. The Windows VMs do not experience the same issue.
Which option should the administrator use to resolve this issue?
- A. Utilize a separate subnet for the Linux VMs
- B. Utilize Jumbo Frames
- C. Set the SCSI timeout value to 60
- D. Add additional disks to the Volume Group
Answer: C
Explanation:
Ref: https://kb.vmware.com/s/article/1009465
NEW QUESTION # 69
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 <FileServerName> 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?
- A. The client network is failing to communicate with the customer's domain controllers due to mismatched MTU sizes.
- B. 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.
- C. The FSVMs storage network must be in the same network as the logon servers.
- D. The client network is failing to communicate with the customer's domain controllers due to a missing network firewall port requirement.
Answer: D
Explanation:
The most likely cause for the failure in joining the Active Directory domain when setting up Nutanix Files, given the error message about the inability to connect to logon servers and valid credentials, points to network communication issues. The specific mention of "ads_connect: No logon servers" suggests that the File Server VMs (FSVMs) are unable to reach the domain controllers. This issue is often due to necessary network firewall ports not being open. Ensuring that all required ports for Active Directory communications are open between the FSVMs and the domain controllers would resolve this issue.References: Nutanix Files Administration Guide, Active Directory Services Network Configuration requirements.
NEW QUESTION # 70
An administrator configure Active Directory (AD) authentication for their Nutanix environment. When login in using an AD user account, the login process takes more than one minute to complete. No delay occurs when logging a local account.
What should the administrator confirm to resolve this issue?
- A. The domain controller being used is configured as a global catalog server.
- B. The user search base for the group is configured correctly
- C. Active directory lookups are configured to use Non-Recursive mode.
- D. The service Account Username is correct for the domain.
Answer: C
Explanation:
In a Nutanix environment, if the login process using an Active Directory (AD) user account takes more than a minute to complete, it could be due to the configuration of the AD lookups.
Active Directory lookups can be configured to use either Recursive or Non-Recursive mode. In Recursive mode, the system will look up each group that a user is a member of, then each group that those groups are members of, and so on. This can lead to a large number of lookups and potentially slow down the login process1.
On the other hand, in Non-Recursive mode, the system only looks up the direct groups that a user is a member of. This can significantly reduce the number of lookups and speed up the login process1.
Therefore, the administrator should confirm that Active Directory lookups are configured to use Non-Recursive mode to resolve this issue.
References:
* Active Directory Authentication is slow - Takes minutes to Logon | Nutanix Community
* Configuring Authentication | Nutanix Community
* Solving Slow Logon Issues in Active Directory Environments
NEW QUESTION # 71
What must be set to enable node discovery when using Foundation VM?
- A. Bridged Adapter
- B. Host-only Adapter
- C. Internet Access
- D. Network Address Translation
Answer: A
Explanation:
For enabling node discovery when using the Foundation VM, the network adapter of the Foundation VM must be set to a Bridged Adapter. This configuration allows the VM to appear as a separate device on the same physical network as the host machine, making it possible for the Foundation VM to communicate directly with the nodes that are also connected to the same network. This is essential for node discovery and subsequent imaging operations performed by the Foundation tool.References: Nutanix Foundation Guide, Nutanix Networking Best Practices.
NEW QUESTION # 72
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:
To maximize the performance benefits of AHV Turbo, which is designed to optimize network and storage I/O operations for VMs, certain VM configurations are advantageous. The correct answers are:
Option A, "Workloads are multi-threaded." Multi-threaded applications can better utilize the improvements in I/O processing efficiency provided by AHV Turbo, leading to better overall performance.
Option D, "VMs have more than one vCPU." This configuration allows VMs to handle multiple processes or threads simultaneously, which is particularly beneficial when combined with AHV Turbo's enhanced I/O operations.
References:The benefits of configuring VMs with multiple vCPUs and supporting multi-threaded applications are discussed in Nutanix's documentation on AHV and performance optimization, where AHV Turbo is highlighted for its ability to accelerate VM operations in a Nutanix environment.
NEW QUESTION # 73
During the Knowledge Transfer, the customer askes where to find the details about their Nutanix environment, such as IP addresses, storage containers, and configuration.
Where can the consultant find this information?
- A. As-Built Guide
- B. Test Plan
- C. Tech Checklist
- D. Support Portal
Answer: A
Explanation:
The As-Built Guide is a comprehensive document typically prepared at the end of a Nutanix deployment project. It includes detailed information about the Nutanix environment, such as IP addresses, storage container settings, hardware and software configurations, and other deployment specifics. This document serves as a reference for the customer to understand their deployed infrastructure and for any future modifications or troubleshooting needs.
References:
* Nutanix Bible: Documentation and Reporting
* Nutanix University: Deployment Best Practices
NEW QUESTION # 74
A consultant configures an ESXi cluster which will utilize a vSphere Distributed Switch (vDS). The consultant has just migrated the first host to the dvSwitch when several alerts appear within Prism Element regarding Host-to-CVM connectivity.
What is causing these alerts?
- A. The consultant migrated the CVM Backplane and VM network adapter over to the vDS.
- B. The consultant migrated the CVM svm-iscsi-pg network adapter over to the vDS.
- C. The consultant migrated the CVM Backplane network adapter over to the vDS.
- D. VLAN tags are incorrectly configured on the vDS port groups.
Answer: A
Explanation:
When migrating an ESXi host to a vSphere Distributed Switch (vDS), it's crucial to correctly configure network adapters, including those for the Controller Virtual Machine (CVM). If the consultant migrated both the CVM backplane and the VM network adapter to the vDS, this could disrupt host-to-CVM connectivity if not configured correctly on the vDS. Such a setup requires precise configuration of network settings and VLAN tags to maintain seamless connectivity and avoid communication alerts in Prism Element.
NEW QUESTION # 75
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. Prism Central
- D. Remote Site
Answer: B
NEW QUESTION # 76
An administrator is monitoring the Nutanix v5.15-based AOS cluster performance logs and notices that a SQL server VM is greatly exceeding its intended maximum IOPS.The administrator has confirmed that a QoS policy was previously created for the group of VMs this server is a member of.
What are two reasons that this VM would exceed its maximum configured IOPS from the QoS Policy?
(Choose two.)
- A. The VM was not created as an AFS virtual machine.
- B. It was cloned from another SQL Server VM that was a member of the QoS Policy.
- C. The VM is missing the required snapshot needed to implement the QoS Policy.
- D. The SQL Server VM has volume groups attached.
Answer: A,D
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Prism-Central-Guide-Prism-v5_18:mul-storage-
NEW QUESTION # 77
Which Nutanix feature creation is described in the Knowledge Transfer?
- A. REST API
- B. Calm Blueprints
- C. Self Service Portal
- D. Data Protection Domain
Answer: B
Explanation:
The Nutanix feature that involves creation as described in the Knowledge Transfer is "Calm Blueprints." Nutanix Calm provides application automation and lifecycle management capabilities that are reflected in Calm Blueprints. These blueprints define the application's architecture, such as services, dependencies, and associated metadata, and are used to automate the provisioning and scaling of applications across multiple environments, making them a critical component in the Nutanix ecosystem for simplifying management and operations of applications.References: Nutanix University, Nutanix Calm User Guide.
NEW QUESTION # 78
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?
- A. VLAN Tagging
- B. Micro-segmentation
- C. Network Segmentation
- D. Multi-homing
Answer: D
NEW QUESTION # 79
An administrator finds that home shares cannot be configured in a new Files 3.5 deployment. Why is this happening?
- A. NFS default access is set to Read Only.
- B. The system is deployed as a single FSVM.
- C. Access Based Enumeration is not enabled.
- D. Multi-protocolaccess is not configured.
Answer: B
Explanation:
NEW QUESTION # 80
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. Return to the Foundation configuration page and start over.
- B. Update Java on the Foundation VM.
- C. Connect to any CVM IP address from a web browser.
- D. Restart the Foundation process.
Answer: C
NEW QUESTION # 81
For a new AHV cluster installation, a customer has 20 NX-8155 nodes with quad port NICs. The customer wants to meet the following guidelines:
Take advantage of all available 10G 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. Use CLI to add the interfaces to bridge bro on all hosts.
- B. In Prism Element, update the virtual switch uplink configuration to Active-Active with MAC pinning.
- C. In Prism Element, update the virtual switch uplink configuration to Active-Active.
- D. Use CLI to configure Balance-TCP on bridge bro.
Answer: D
Explanation:
For a configuration that aims to utilize all available 10G links, achieve maximum throughput per VM, and ensure redundancy with fast reconvergence during link failure, the optimal setting would be to configure Balance-TCP on bridge br0. This setting distributes the load across all available network paths based on the TCP session, maximizing the utilization of network interfaces and ensuring redundancy. This approach is particularly effective in environments with multiple network paths and ensures efficient network traffic management.References:
* Nutanix University - NCS-Core 6.8 Learning Path
* The Nutanix Bible, Network Configuration chapter (https://www.nutanixbible.com/)
NEW QUESTION # 82
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?
- 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 -> Create Storage Containers -> Encrypt Cluster -> Install License Key
- D. Create Cluster -> Encrypt Cluster -> Install License Key -> Create Storage Containers
Answer: B
NEW QUESTION # 83
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