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What is the Passing Score, Duration & Questions for the Nutanix NCS-Core Exam?
The passing score for the Nutanix NCS-Core certification exam is 70%. The exam questions are based on the candidate's knowledge of the content covered in the Nutanix NCS-100 exam. Nutanix NCS-Core Dumps guarantee you pass the exam and get the certification. The questions are all multiple choice with four possible correct answers. The outcome is based on the aggregate score of both the knowledge and scenario-based testing.
The duration of each section is 50 minutes with a maximum time of 2 hours to complete the Nutanix NCS-Core Exam. You can expect your breath to be taken away by 160+ questions that span all areas of the exam, including Storage Management, Installation & configuration, Networking, HA, Data at Rest Encryption / Management, User Management, Disaster Recovery, and Security.
NEW QUESTION # 93
An administrator needs to make sure an RF3 cluster can survive a failure of two complete racks without negatively affecting performance. The current cluster configuration consists of the following:
* 30 All Flash Nodes: distributed 10 nodes per rack across three 42U racks
* Each node is configured with 20TB usable storage all flash (Cluster Total 600TB Usable)
* Current cluster utilization is 500TB storage
* Storage containers have Erasure Coding enabled
Which configuration changes should be made to make sure the cluster meets the requirements?
- A. Expand the cluster to 40 nodes distributed evenly across 5 racks
- B. Expand the cluster to 50 nodes distributed evenly across 5 racks
- C. Expand the cluster to 60 nodes distributed evenly across 6 racks
- D. Expand the cluster to 48 nodes distributed evenly across 6 racks
Answer: C
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v5_17:arc-configure
NEW QUESTION # 94
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 switch port is not set up as a trunk.
- B. The CVM/hypervisor cannot use the same VLAN as guest VMs.
- C. Only one VLAN is supported on AHV.
- D. The CVM/hypervisor must be on an untagged VLAN.
Answer: A
Explanation:
The issue of VMs not being able to ping the default gateway from a newly created VM network on VLAN 20, while the Nutanix cluster uses VLAN 10, most likely stems from the switch port configuration. For the VMs on VLAN 20 to communicate outside their local network, the switch port to which the Nutanix nodes are connected must be configured as a trunk. This configuration allows multiple VLANs to coexist on the same physical port and enables routing between them. Without the trunk setup, the VLAN 20 traffic is restricted and cannot reach the network beyond the switch, including the default gateway.References: Nutanix Network Configuration Guide, Best Practices for VLAN Configurations.SZXCDESX
NEW QUESTION # 95
A customer recently bought services from their consultant to re-configure an existing Cluster for a new use case. The data on the cluster is not important. The customer does not know the CVM usernames and passwords.
Which Foundation tool should the consultant use to resolve this issue?
- A. Foundation Applet(CVM) - Bare Metal
- B. Foundation VM - Bare Metal
- C. Foundation VM - Auto Discovery
- D. Foundation Applet(CVM) - Auto Discovery
Answer: B
Explanation:
For re-configuring an existing cluster for a new use case where data preservation is not a concern, and there is a lack of CVM credentials:
* C. Foundation VM - Bare Metal: This tool allows for a complete re-installation of the Nutanix software from scratch, which is ideal in scenarios where existing configurations and data are no longer needed, and access credentials are unknown or lost.
References:
* Nutanix Bible (https://www.nutanixbible.com), especially sections on cluster reconfiguration and Foundation tools.
* Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), where cluster deployment and reconfiguration scenarios are extensively covered.
NEW QUESTION # 96
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?
- A. Inactive VM
- B. Over-Provisioned VM
- C. Bully VM
- D. Constrained VM
Answer: B
Explanation:
NEW QUESTION # 97
A consultant is setting up a new vSphere cluster. Customer requirements are as follows:
* VMs should automatically failover to another host if the host crashes
* Host CPU and Memory resources should be evenly balanced
* New VMs should be placed on the host with the most resources available Which two settings should be turned on to meet the requirements? (Choose two.)
- A. vSphere HA
- B. vSphere Power Management
- C. vShpere DRS
- D. vSphere vMotion
Answer: A,C
Explanation:
To meet the customer requirements for automatic failover and resource balancing in a vSphere environment, two specific features need to be enabled: vSphere High Availability (HA) and Distributed Resource Scheduler (DRS). vSphere HA ensures that VMs automatically restart on other hosts in the event of a host failure, providing high availability. vSphere DRS balances computing workloads with available resources in a vSphere environment, ensuring that resources are used efficiently and that new VMs are placed on hosts with the most available resources.
References:
* Nutanix Bible: vSphere Integration
* Nutanix University: Configuring vSphere Features
NEW QUESTION # 98
A customer is deploying Nutanix AHV clusters over hundreds of remote sites worldwide. Prism Central will be used to centrally manage all clusters. Customer security policy requires the use of MS Active Directory (AD).groups to authenticate all network devices.
Which method should be consultant use to meet the requirements?
- A. Integrate AD authentication on all Prism Element Clusters.
- B. Proxy Prism Element traffic through Prism Central.
- C. Integrate AD authentication on all CVMs.
- D. Integrate AD authentication on Prism Central Only.
Answer: D
NEW QUESTION # 99
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?
- A. The upstream port for eth2 is missing a VLAN.
- B. The CVM should have eth1 connected to the OVS.
- C. The user VMs only have one NIC
- D. Bridge br0-up should be configured to use balance-tcp rather than active/backup.
Answer: A
Explanation:
Ref:
https://portal.nutanix.com/page/documents/solutions/details?targetId=BP-2071-AHV-Networking:top_ahv_netw
NEW QUESTION # 100
An alert about RX errors on eth2 on a node is reported in the cluster. The administrator logs in to the CVM in question, checks the ping_* files in the data/logs/syststats folder, and notices intermittent ping loss.
The node in question has the following network configuration:
Which action should be used to troubleshoot without disrupting the VMs running on this node?
- A. Enable balance-s1b on br0-up and monitor if a problem persists
- B. Remove eth3 from br0-up and monitor for new alerts
- C. Replace the cable from eth2 to the switch
- D. Check the port on the switch side for any errors
Answer: D
Explanation:
Given the reported RX errors on eth2 and the intermittent ping loss as observed from the CVM logs, the best initial troubleshooting step that avoids VM disruption is to inspect the switch port for errors. Option C, "Check the port on the switch side for any errors," is the most direct and non-invasive approach to determining if the issue lies with the network infrastructure rather than the server hardware itself or the configuration.
This action helps identify whether the problem is related to the physical connection (e.g., port issues, switch configuration errors) without altering the current active network setup on the Nutanix node. If errors are found on the switch port, adjustments or repairs can be made accordingly, potentially resolving the RX errors without impacting the running VMs.
References:This recommendation follows Nutanix's best practices for network troubleshooting, focusing first on external network components before altering host configurations.
NEW QUESTION # 101
After a consultant runs a bare metal Foundation, the imaging process fails.
In which two locations can the consultant find the logs? (Choose two.)
- A. View Logs link on the Foundation Imaging progress screen
- B. On the Foundation VM - /home/nutanix/foundation/logs
- C. On the Hypervisor - /home/nutanix/foundation/logs
- D. On the CVM - /home /nutanix/foundation/logs
Answer: A,B
Explanation:
After a failed bare metal Foundation imaging process, the consultant can find relevant logs in two primary locations: on the Foundation VM at "/home/nutanix/foundation/logs" and via the "View Logs" link available on the Foundation Imaging progress screen. These logs are crucial for diagnosing issues during the imaging process as they provide detailed error messages and operational data.References:
* Nutanix University - NCS-Core 6.8 Learning Path
* The Nutanix Bible, Foundation chapter (https://www.nutanixbible.com/)
NEW QUESTION # 102
An administrator configures authentication in Prism Central (PC) for the NTNX-Admins group. Users report that they are unable to log in. The administrator confirms that the Active Directory (AD) settings in PC are correct.
Which condition could result in this behavior?
- A. The users must be added to the Domain Admins AD group.
- B. A client chap certificate must also be added in PC.
- C. The Local authentication type must also be selected in PC.
- D. A role mapping needs to be associated with the AD group.
Answer: A
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Prism-Central-Guide-Prism-v5_10:mul-security
NEW QUESTION # 103
After deployment of a Nutanix cluster, a customer has requested to validate the peak performance of the cluster.
Which tool can a consultant use to satisfy this request?
- A. Nutanix HCiBench
- B. Nutanix perfmon
- C. Nutanix X-Ray
- D. diagnostics.py
Answer: C
Explanation:
To validate the peak performance of a deployed Nutanix cluster, the consultant can use:
* A. Nutanix X-Ray: X-Ray is a performance testing tool specifically designed for Nutanix environments, capable of simulating a variety of workloads and scenarios to measure and report on the cluster's
* performance capabilities.
References:
* Nutanix Bible (https://www.nutanixbible.com), where X-Ray and its capabilities are detailed.
* Nutanix University: NCS-Core 6.8 Training (https://university.nutanix.com), which covers performance testing and validation using X-Ray.
NEW QUESTION # 104
Which Nutanix feature creation is described in the Knowledge Transfer?
- A. Self Service Portal
- B. Calm Blueprints
- C. REST API
- 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 # 105
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?
- A. Use Native 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. Us untagged VLANs for the CVM and host and trunk mode for IPMI.
- D. Use tagged VLANs for the CVM and host and access mode for IPMI.
Answer: B
NEW QUESTION # 106
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 > 0 Kbps (no moderate value)
Which type of VM is being described?
- A. Inactive VM
- B. Bully VM
- C. Over-provisioned VM
- D. Constrained VM
Answer: D
Explanation:
NEW QUESTION # 107
An administrator inherits a new Nutanix environment and logs in to a CVM to check the network configuration. The configuration is as follows:
Which action should the administrator take to improve network performance?
- A. Remove one 10 Gbs interface from br0-up to make sure all 10 Gbs can be used.
- B. Configure balance-sib or balance-tcp mode for br0-up if switch configuration allows
- C. Configure VLAN tagging both on br0 and br1 and their physical interfaces.
- D. Add eth0 and eth1 to the br0-up bond
Answer: B
Explanation:
Upon reviewing the network configuration in the provided image and considering the setup in a Nutanix environment, the best action to improve network performance is to adjust the bonding mode for the bridge that includes multiple high-bandwidth interfaces.
Option C, "Configure balance-sib or balance-tcp mode for br0-up if switch configuration allows," is the most effective choice. The bonding mode "balance-sib" (source IP-based load balancing) or "balance-tcp" (TCP/IP layer balancing) can optimize the distribution of network traffic across multiple interfaces, thereby enhancing throughput and redundancy.
This approach utilizes the capabilities of multiple network interfaces more efficiently, distributing the load to prevent any one interface from becoming a bottleneck while providing failover redundancy.
References:This configuration strategy aligns with best practices for network setup in high-performance virtualized environments, as detailed in Nutanix's networking configuration guides and the Nutanix Bible, ensuring optimal performance and reliability.
NEW QUESTION # 108
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