Nutanix NCS-Core Nutanix Certified Services Core Infrastructure Professional Online Training
Nutanix NCS-Core Online Training
The questions for NCS-Core were last updated at May 10,2025.
- Exam Code: NCS-Core
- Exam Name: Nutanix Certified Services Core Infrastructure Professional
- Certification Provider: Nutanix
- Latest update: May 10,2025
An administrator has a VM that consumes large amounts of storage and has the following characteristics:
• Create large / sequential writes
• Data must be kept for years
• Data is normally only accessed at the end of the year to run report.
The administrator decides to use Erasure Coding to save space.
Which feature should the administrator utilize to save space for this VM?
- A . Inline Compression
- B . Flash Mode
- C . Cache Dedup
- D . Post-Process Compression
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 the following:
• 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 3 additional nodes per rack, 9 nodes total.
- B . Expanse the cluster by adding 2 additional nodes per rack, 6 nodes total.
- C . Expanse the cluster by adding 9 nodes to a new 42U rack
- D . Expanse the cluster by adding 8 nodes to a new 42U rack
An administrator needs to maximize storage potential in a six-node cluster.
The container is configured with the following:
– Post-process compression
– Capacity deduplication
What should the administrator configure to increase space savings?
- A . Erasure coding
- B . Inline compression
- C . Reserve capacity
- D . Cache dedupe
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=balance-slb
- B . Ovs-vsctl set port br0-up bond_mode=balance-tcp
- C . Ovs-vsctl set port br0-up bond_mode=active-backup
- D . Ovs-vsctl set port br0-up other_config: bond-rebalance-interval=30000
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 . Manually disable CVM network Segmentation
- C . Convert storage only nodes into vSphere nodes
- D . Enable Jumbo Frames to accommodate network frames
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 to prioritize the administrator’s troubleshooting efforts?
- A . • Assess resource health on Hardware page
• Review the Analysis page for memory usage demand
• Determine the VDI workload-to-host affinity across the cluster - B . • 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 - C . • Check Analysis page for CPU demand
• Verify VDI workload property for memory subscription
• Review the Hardware page to determine if the cluster has sufficient RAM - D . • 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
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 . Redistribute existing data by creating additional database file and enable autogrowth
- B . Create multiple TempDB data files and enable autogrowth
- C . Create multiple SQL log files and disable autogrowth
- D . Redistribute existing data by creating additional database files and disable autogrowth
Refer to the exhibit.
An administrator receive the warning massages shown in the exhibit while validating cluster conversion from EXSi to AHV.
What should the administrator do to address this warning in v Center Server?
- A . Keep active adapters od different speeds as active standby
- B . Remove adapters that are active but not homogeneous.
- C . Keep homogeneous adapter as active and standby
- D . Remove the standby adapters under Teaming and Failover.
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 user search base for the group is configured correctly
- B . The domain controller being used is configured as a global catalog server.
- C . Active directory lookups are configured to use Non-Recursive mode.
- D . The service Account Username is correct for the domain.
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 . Enable Jumbo Frame on just the Host
- B . Convert Cluster to ESXi and enable Jumbo Frame on Host and CVM
- C . Enable Jumbo Frames on just the CVM
- D . Enable the use of Jumbo Frame on Host and CVM
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