[Oct 11, 2025] NCS-Core Questions Truly Valid For Your Nutanix Exam!
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The NCS-Core certification exam focuses on validating your ability to install, configure, and manage the Nutanix Core components. These components include Nutanix AOS, AHV, and Prism Central. Through this certification, you will gain the foundational knowledge and understanding to deploy, troubleshoot and maintain the Nutanix infrastructure in the enterprise. Passing NCS-Core exam will also prove that you are proficient in implementing best practices and design patterns related to Nutanix Core components.
Nutanix NCS-Core certification exam is a challenging and rigorous test of an IT professional's skills and knowledge. NCS-Core exam covers a wide range of topics related to Nutanix core infrastructure technologies, including storage, networking, virtualization, and security. IT professionals who are preparing for the exam should have a solid understanding of these topics and should be prepared to spend a significant amount of time studying and preparing for the exam.
NEW QUESTION # 27
An administrator is currently using both 10g uplink with LACP and balance-tcp. A single VM should not be allowed to use more than a single 10G uplink, and both uplinks should be utilized.
Which two command should be used to configure the bond? (choose two)
- A. Ovs-vsctl set port br0-up bond_mode=active-backup
- B. Ovs-vsctl set port br0-up bond_mode=balance-slb
- C. Ovs-vsctl set port br0-up bond_mode=balance-tcp
- D. Ovs-vsctl set port br0-up other_config: bond-rebalance-interval=30000
Answer: B,D
Explanation:
For a configuration where a single VM should not exceed the bandwidth of a single 10G uplink and both uplinks need to be utilized, the correct bonding mode is balance-slb (Source Load Balancing). This mode allows both uplinks to be utilized while ensuring that a single VM will not exceed the capacity of one uplink, as traffic from each VM or "source" is assigned to one of the links in the bond. The other_config: bond- rebalance-interval=30000 command is used to set the interval at which the bonding driver will rebalance the assignment of sources to links in the bond. This helps in maintaining optimal distribution of load across the links as network conditions change.
References:
* Nutanix Bible: Network Configuration
* Nutanix University: Advanced Network Configuration
NEW QUESTION # 28
A customer is running out of storage in an ESXi cluster. The customer wants to add storage without paying for an additional hypervisor license.
Which option should the consultant recommend to meet the requirement?
- A. Edit the factory_config.json file to configure the node as storage-only and then expand the cluster in Prism
- B. Convert the cluster to AHV to support storage-only node requirements.
- C. Select the storage-only checkbox during Foundation and then expand the cluster in Prism.
- D. Buy a new node to meet the requirements of the storage-only node specifications.
Answer: B
Explanation:
When a customer needs to add storage to an ESXi cluster without incurring additional hypervisor licensing costs, converting the cluster to Nutanix AHV presents a viable solution. AHV allows the incorporation of storage-only nodes, which can extend the cluster's storage capacity without necessitating additional licenses for hypervisor usage.
References:
* Nutanix Solutions for ESXi to AHV Migration: Nutanix Documentation
* Nutanix AHV Licensing and Features Guide: Nutanix Licensing Information
NEW QUESTION # 29
A customer recently set up Async Replication between Site A and Site B. The customer wants to conduct a planned failover and clicks Activate on Site B.
The customer then runs the following command on Site A:
ncli pd deactivate_and__destroy_vms name=<protection_domain_name>
What does this do to the customer environment?
- A. Customer must then manually power off VMs at Site A and power them on at Site B.
- B. VMs get deleted from Site B. and the protection domain is now Active.
- C. VMs get deleted from Site A and the protection domain is no longer active.
- D. VMs are powered off on Site A and must be manually powered on at Site B.
Answer: C
Explanation:
https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v5_10:wc-protection-do
The command ncli pd deactivate_and__destroy_vms name=<protection_domain_name> is a critical operation in managing Nutanix environments, particularly in scenarios involving disaster recovery and replication.
* This command deactivates the protection domain and deletes all VMs associated with that protection domain from the source site (Site A in this case). This operation is generally part of a planned migration or failover process where the VMs are intended to be run from the remote site (Site B).
* After this operation, the protection domain at Site A is no longer active, meaning it has been effectively removed along with its associated VMs, thus clearing the way for Site B to take over operations without conflict from the original site.
References:This action and its implications are covered under Nutanix disaster recovery and high availability strategies, detailed in both the Nutanix Bible and official Nutanix NCS-Core training materials, which discuss the management of protection domains and replication processes.
NEW QUESTION # 30
After a consultant runs Foundation, the imaging process fails.
In which two locations can the consultant find the logs? (Choose two.)
- A. On the CVM - /home/Nutanix/foundation/logs
- B. On the Foundation VM - /home/nutanix/foundation/logs
- C. Logs link on the Foundation Imaging Screen
- D. On the Hypervisor - /home/nutanix/foundation/logs
Answer: B,C
Explanation:
When encountering issues during the Foundation process, such as an imaging failure, consultants need to access detailed logs to diagnose the problem. Two primary locations for these logs include the direct link accessible via the Foundation Imaging Screen, which provides real-time logs during the imaging process, and the Foundation VM directory at /home/nutanix/foundation/logs. These locations offer comprehensive log data essential for troubleshooting and resolving imaging issues. References: Nutanix Foundation documentation and troubleshooting guides from the Nutanix Bible and Nutanix University training resources.
NEW QUESTION # 31
A consultant successfully creates a Nutanix cluster. The consultant needs to configure containers for the customers business critical applications and general server workloads. The customer requirements are to achieve maximum storage space savings and optimize I/O performance.
What setting(s) should the consultant enable on the storage container(s)?
- A. Compression and erasure coding
- B. Deduplication only
- C. Compression and deduplication
- D. Compression only
Answer: A
Explanation:
To meet the requirements of maximizing storage space savings while optimizing I/O performance for business-critical applications and general server workloads, enabling both compression and erasure coding on the storage containers is recommended. Compression reduces the data footprint on storage disks, while erasure coding provides data redundancy in an efficient manner, which not only saves space but also enhances data durability and I/O performance for read-intensive applications.References:
* Nutanix University - NCS-Core 6.8 Learning Path
* The Nutanix Bible, Storage Efficiency chapter (https://www.nutanixbible.com/)
NEW QUESTION # 32
Refer to the exhibit.
On a four-node NX-3460 cluster, two 10G NiCs are connected to redundant Cisco ToR 5K switches as shown in the first exhibit Port On a four-node NX-3460 cluster, two 10G NICs are connected to redundant Cisco TOR Sk switches as shown in the fist exthibt. Port failover must be tested.
The network configuration output from the CVM is shown in the second exhibit. To test fallover, a shut command is executed on the switchport that connects the node to the 5k1 switch.
Refer to the exhibit.
- A. Passive link is disconnected. Active link takes over.
- B. Active link takes over. HA Failover takes place.
- C. Passive link takes over. HA Failover takes place.
- D. Active link is disconnected. Passive link takes over.
Answer: D
Explanation:
In the scenario described, the configuration shown in the exhibit indicates that there is an "active-backup" bond mode. If a shut command is executed on the switchport that connects the node to the 5k1 switch (assuming it's the active link), the passive link should take over. This response ensures no loss of connectivity as the passive link becomes active in the absence of the primary (active) link.References: Nutanix Bible, Nutanix University NCS-Core 6.8 learning materials
NEW QUESTION # 33
An administrator wants to utilize Network Visualization to monitor the physical and logical network on the Nutanix cluster. The first-hop switch has LLDP enabled. The network switch information is still not being displayed.
What is causing this problem?
- A. The cluster is using RDMA-enabled NICs.
- B. The ISL between switches is not configured.
- C. SNMP is not configured properly.
- D. br0 and br1 are not defined.
Answer: C
Explanation:
ref:
https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v55:wc-network-visualiz
NEW QUESTION # 34
While preparing for a new four-node cluster installation, the consultant has a Tech Review Call with the customer. The hardware is as follows:
* 4 nodes in 1 Block
* 8 x 10 GbE Ports
* 4 x 1 GbE IPMI Ports
* Adequate Ethernet ports are available
* Ethernet cables are correct and available
* Adequate rack space is available
Which remaining item must be confirmed as available onsite?
- A. Redundant 208v power
- B. Redundant 110v power
- C. Crash Cart
- D. Fibre Channel switches
Answer: A
Explanation:
In the preparation for a new cluster installation, after ensuring that the basic physical requirements such as space, cabling, and hardware connectivity are met, it's crucial to confirm power requirements. For enterprise installations, particularly where high-powered equipment like a four-node cluster is involved, ensuring redundant power is critical. The question specifically mentions "redundant" power, suggesting the need for a high-capacity solution typically found in 208v configurations in data centers, which provides more power efficiently and is standard for high-density computing hardware. Therefore, redundant 208v power should be confirmed as available onsite to support the new cluster's power needs effectively. References: Nutanix Certified Services - Core (NCS-Core) training materials and installation best practices available through Nutanix University and the Nutanix Bible.
NEW QUESTION # 35
An administrator is deploying several new application VMs to a Nutanix cluster. The application is very transactional with a 28/72 random, read/write ratio.
What should the administrator do?
- A. Add one large virtual disk to each VM. and use it for all application data.
- B. Add a minimum of four SSDs to each node toensure all writes go to the SSDs.
- C. Add a minimum of four virtual disks to each VM, and aggregate them on guest OS level.
- D. Add one large SSD to each node and enable Flash Mode for the VMs.
Answer: C
Explanation:
Explanation
Ref:https://next.nutanix.com/server-virtualization-27/iops-latency-issue-1168
NEW QUESTION # 36
Refer to the exhibit.
User 1 and User 2 belong to the AAPM group
What are two descriptions of how Files perform quota management? (Choose two.)
- A. User 2 can continue to add another 3GB file but will receive a daily notification email.
- B. User 1 can continue to add another 5GB file but will receive a daily notification email.
- C. User 1 can add an 8GB file to the share without receiving notification.
- D. User 2 can add an 8GB file without receiving a notification email.
Answer: B,D
Explanation:
Ref:
https://portal.nutanix.com/page/documents/details?targetId=Files-v3_6:fil-file-server-quotas-c.html#nconcept_am
NEW QUESTION # 37
A consultant is installing Nutanix AOS on Cisco UCS.
Which method should be used to install AOS on UCS hardware platforms?
- A. Foundation Central
- B. Foundation VM
- C. Foundation Applet
- D. Foundation as a Service
Answer: B
NEW QUESTION # 38
After the successful creation of clusters, the customer wants to ensure that alerts are sent automatically to Nutanix support.
Which Nutanix feature should the consultant ensure is enabled?
- A. Support Portal
- B. insights
- C. Pulse
- D. Support Tunnel
Answer: C
Explanation:
To ensure that alerts are automatically sent to Nutanix support, the Nutanix feature called Pulse must be enabled. Nutanix Pulse is an automated system intelligence service that collects health information and system alerts from Nutanix clusters and sends them to Nutanix support for proactive monitoring and troubleshooting. Enabling this feature is crucial for maintaining high availability and performance of the Nutanix environment, as it allows Nutanix support to quickly respond to and manage potential issues.
References: Nutanix Pulse Documentation, Nutanix Support Services Information.
NEW QUESTION # 39
A consultant attempts to perform an LCM inventory after successfully creating the cluster, but is met with the following error:
LCM Exception [LcmExceptionHandler]: Could not find a module for entity with reference name nutanix.ncc.update What is the most likely reason LCM inventory/update is failing?
- A. Nameservers are not reachable.
- B. IPMI network is unable to reach the internet.
- C. Clusters must be licensed before LCM inventory.
- D. Nutanix CVMs are blocking TCP port 54.
Answer: C
Explanation:
The error encountered during the LCM inventory process, which mentions "Could not find a module for entity with reference name nutanix.ncc.update," typically indicates that the cluster has not yet been licensed. The Life Cycle Management (LCM) functionality in Nutanix systems requires a valid license to perform operations such as inventory checks and updates. Without this license, LCM cannot retrieve or update the necessary software modules, leading to the stated error. Licensing the cluster would resolve this issue and allow the LCM processes to proceed normally.References: Nutanix LCM Documentation, Nutanix Licensing Guidelines.
NEW QUESTION # 40
An administrator migrates a VM onto a new Nutanix cluster. After the migration, the administrator observes the following conditions:
* Cluster memory utilization: 64%
* Cluster CPU utilization: 19%
* Clusterstorage utilization: 32%
* Average VM CPU utilization: 25%
* Average VM CPU ready%: 24%
* Average VM memory utilization: 60%
Which two changes should the administrator make to improve VM performance? (Choose two.)
- A. Reduce the number of VMs on the hosts.
- B. Reduce the number of vCPUs assigned to VMs.
- C. Add more memory to the VMs.
- D. Replace high core count CPUs with high clock rate CPUs. (also can be but is physical invas)
Answer: A,B
Explanation:
Explanation
refhttp://www.joshodgers.com/tag/cpu-ready/
NEW QUESTION # 41
After the migration, some SQL queries take longer to execute than prior to migration.
The following SQL best practices were applied while creating the SQL VM on Nutanix:
*8 vDisks per SQL server VM
*Database and Log files on separate vDisk
*2 TempDB database drives and 1 TempDB log drive
What should the administrator to do improve the SQL Server performance?
- A. Create multiple TempDB data files and enable autogrowth
- B. Redistribute existing data by creating additional database files and disable autogrowth
- C. Create multiple SQL log files and disable autogrowth
- D. Redistribute existing data by creating additional database file and enable autogrowth
Answer: A
Explanation:
In the scenario where SQL queries are running slower post-migration, creating multiple TempDB data files is a recognized best practice for optimizing SQL Server performance, especially when dealing with high transaction rates or complex queries. This approach helps in distributing the I/O load across multiple files and drives, reducing the contention and wait times associated with TempDB, which is a common bottleneck in SQL Server environments. Enabling autogrowth ensures that these files can dynamically grow as needed, which helps in handling unexpected increases in database activity without manual intervention.References:
Nutanix Best Practices for SQL Server, SQL Server performance tuning guidelines.
NEW QUESTION # 42
Over the period of 2 to 3 weeks, a cluster displays the following:
*Periods where Warning Alerts of memory usage over 75% are asserted
*Periods where Critical Warnings of memory usage over 90% are asserted
*Periods of slow of frozen VDI desktops have caused work stoppage or slowdown
*VDI clones have periodically not powered up when called, causing work stoppage Which steps should be used toprioritize the administrator's troubleshooting efforts?
- A. *Analyze Alert Pages for a root cause of memory problem
*Analyze VM table page to access the VM functionality
*Analyze the VDI Clone properties for possible VDI Workload stress - B. *Check Analysis page for CPU demand
*Verify VDI workload property for memory subscription
*Review theHardware page to determine if the cluster has sufficient RAM - C. *Review Analysis Page for memory use pattern
*Alert with VDI workload demand
*Analyze current and future workload in the Capacity Runaway tab for sufficient resources - D. *Assess resource health on Hardware page
*Review the Analysis page for memory usage demand
*Determine the VDI workload-to-host affinity across the cluster
Answer: C
NEW QUESTION # 43
A consultant runs the Foundation Applet and discovers all the nodes. The consultant wants to use the latest version of Foundation for imaging for support purposes and to cover the latest hardware and software hypervisor support.
What should the consultant do to upgrade Foundation on a node?
- A. Use the Foundation Applet to upgrade Foundation on a single node.
- B. Use the Foundation VM to upgrade Foundation on all nodes.
- C. Use crash cart and manually upgrade Foundation files on one node.
- D. Use latest version of Foundation to reimage all the nodes.
Answer: B
Explanation:
To ensure that the Foundation Applet is up-to-date across all nodes, the best approach is to use the Foundation VM. The Foundation VM allows consultants to manage and upgrade Foundation on all nodes centrally. This method avoids the necessity of manual upgrades on each node individually, thus ensuring a more efficient and error-free process, aligning with Nutanix's best practices for scalability and management of infrastructure.
References: The Nutanix Bible, the Nutanix University's NCS-Core 6.8 materials, and official Nutanix documentation on the Foundation VM.
To ensure the latest version of Foundation is used for imaging to support the latest hardware and software hypervisor configurations, the consultant should utilize the Foundation VM. This tool allows for upgrading the Foundation on all nodes simultaneously, ensuring consistency across the cluster. It streamlines the process by leveraging the existing Foundation infrastructure rather than requiring manual updates via a crash cart or the limited capabilities of the Foundation Applet for single node upgrades.
References:
* Nutanix Foundation Documentation: https://portal.nutanix.com
* Nutanix Upgrade Guide: Nutanix Foundation Upgrade Process
NEW QUESTION # 44
A customer has NearSync configured. When the administrator tries to restore a snapshot from 3 minutes ago, it is not available. The snapshots are happening at 15-minute intervals instead of at the 5-minute configured interval. When the protection domain was initially set up, the snapshots were happening at the expected
5-minute interval.
What should the customer do to enable the snapshots to happen at the expected interval?
- A. Change the protection domain to use Async DR
- B. Fix a connectivity issue because the protection domain reverted to Async
- C. Utilize Metro Availability to meet this requirement
- D. Configure the protection domain to take snapshots on 15-minute intervals
Answer: B
Explanation:
If the administrator observes that the snapshot intervals have changed from the initially configured 5-minute intervals to 15-minute intervals, it indicates a potential issue with the setup. Option C, "Fix a connectivity issue because the protection domain reverted to Async," addresses the likely cause-a connectivity problem that caused the system to revert to longer, asynchronous DR snapshot intervals.
NearSync typically allows for very frequent snapshots, but if there is a connectivity or configuration issue, it might fall back to less frequent asynchronous DR settings. Identifying and resolving any connectivity issues would allow the NearSync configuration to operate as initially intended.
References:The mechanics of NearSync and its behavior under connectivity issues are discussed in detail in Nutanix's documentation and troubleshooting guides, which describe how the system handles fallback scenarios and how to rectify them.
NEW QUESTION # 45
An organizations Nutanix Cluster is based on VMware vSphere. The cluster is configured to download software updates automatically. The administration needs to verify and eventually upgrade VMware hypervisor via Prism Ul.
After logging in to Prism, the administrator receives the message shown:
No available versions for upgrade
What is causing the current state?
- A. The cluster is unable to connect to reIease-api.nutanix-ccm:8D.
- B. The environment is running the latest vSphere version, so no update is required.
- C. VMware support has expired, so downloads are not available.
- D. vSphere binaries need to be manually uploaded.
Answer: B
Explanation:
Explanation
ref:https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v510:upg-hypervisor
NEW QUESTION # 46
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