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Nutanix NCS-Core Exam Questions
- Topic 1: Nutanix Enterprise Cloud Platform (ECP) Fundamentals: In this section of the exam, the topics covered include core ECP principles such as hyper-converged infrastructure (HCI) and distributed storage fabric. Moreover, it also covers Nutanix architecture, clusters, and components such as the Cluster Virtual Machine.
- Topic 2: Nutanix software installation process: This section covers the installation and setting up of networks, storage, and security options.
- Topic 3: Cluster Management: In this section, candidates are tested for their knowledge of adding nodes, scaling clusters, and overseeing resources. Storage Services: This section covers the comprehension of various Nutanix storage concepts such as Erasure Coding Replication (EC-Replicate).
- Topic 4: Data Protection: This section of the exam covers Nutanix data protection features including snapshots, replication, and disaster recovery.
- Topic 5: Performance Monitoring and Maintenance: This section covers how to resolve common Nutanix cluster issues and using Nutanix monitoring technologies.
- Topic 6: Security: In this section of the exam, the use of Nutanix security best practices is explored.
Free Nutanix NCS-Core Exam Actual Questions
Note: Premium Questions for NCS-Core were last updated On Dec. 22, 2024 (see below)
A consultant and customer agree on a scope of services regarding the deployment of a new Nutanix cluster.
Which two products does this scope apply to? (Choose two.)
The scope of services for the deployment of a new Nutanix cluster would apply to both Foundation and Prism Central. Foundation is the initial software used for deploying Nutanix nodes and creating clusters, essential for setting up the environment. Prism Central is used for managing multiple clusters and is integral to the operational scope of the service, providing centralized management capabilities. Reference: Nutanix Bible, Nutanix University NCS-Core 6.8 learning materials
A consultant deploys a new ESXi-based Nutanix cluster and migrates a sphere deployment to the cluster, After completing the deployment, the customer states they are experiencing VM performance issues.
Upon observing logs and performance data, the consultant identified the following symptoms.
Excessive read/write 1/Os on CVMs
Excessive Motion of VMs
What is causing this issue?
The customer is experiencing VM performance issues characterized by excessive read/write I/Os on CVMs and excessive motion of VMs due to the Distributed Resource Scheduler (DRS) in an ESXi-based Nutanix cluster. This is likely caused by the DRS migration threshold being set to Aggressive, which leads to frequent rebalancing of workloads across the cluster, causing high I/O and VM motion. Adjusting this setting to a less aggressive level can help reduce unnecessary VM motions and stabilize performance. Reference: Nutanix Bible, Nutanix University NCS-Core 6.8 learning materials
A consultant is deploying a new Nutanix cluster. The nodes have the following network interfaces.
2x 10G NICS
2x 25G NICS
The consultant is using the default virtual switch configurations for AHV. After creating 10 VMs, the consultant observes inconsistent network speeds from the VMs on the AHV host.
What should the consultant do to resolve this issue?
To resolve inconsistent network speeds from the VMs on an AHV host equipped with both 10G and 25G NICs, the consultant should configure all network interfaces with Link Aggregation Control Protocol (LACP) on the same virtual switch. This configuration will allow for better load balancing and bandwidth aggregation across multiple network interfaces, improving overall network throughput and reducing bottlenecks. Reference:
Nutanix University - NCS-Core 6.8 Learning Path
The Nutanix Bible, Networking chapter (https://www.nutanixbible.com/)
A consultant is running Foundation discovery with Foundation VM and is unable to dynamically discover the nodes. The consumer needs another method to image the nodes.
What information does the consultant need to do bare metal Foundation?
When using the Foundation tool for bare metal imaging of Nutanix nodes and dynamic discovery is not possible, the consultant needs the IPMI MAC Address of the nodes. This address is used to identify each node uniquely through its IPMI for remote management purposes, allowing the Foundation VM to interact directly with each node's base management controller (BMC) for the imaging process. Reference: Nutanix Bible, Nutanix University NCS-Core 6.8 learning materials
A consultant discovers that while the Foundation VM and the consultant's laptop are able to ping each other nodes are rea discovered while trying to run Foundation on the customer's network.
What should the consultant do to resolve the issue?
When Foundation VM and a laptop can ping each other but nodes are not being discovered, it suggests a network protocol issue. The consultant should enable IPv6 and multicast on the switch. Multicast is required for node discovery in many environments, especially when using Nutanix Foundation, as it helps in the detection and communication between nodes and the Foundation VM. Reference:
Nutanix University - NCS-Core 6.8 Learning Path
The Nutanix Bible, Foundation chapter (https://www.nutanixbible.com/)
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