NCSE-Core Exam Dumps - Nutanix SE Academy Questions and Answers

1 x 480GB SSD:

For a hybrid cluster running both general-purpose VMs and an ERP application with a 500GB database, having a single 480GB SSD may lead to performance bottlenecks.

Nutanix best practices recommend using multiple SSDs for better I/O performance and redundancy​​​​.

2 x 1GB NIC:

The network interface cards (NICs) with only 1GB capacity each are insufficient for a production environment expected to handle significant data and application traffic.

Nutanix typically recommends 10GB NICs for adequate bandwidth and performance in such scenarios​​.

References:

Nutanix Community Edition Hardware Recommendations​​.

Nutanix Bible - Network and Storage Configuration Best Practices​​​​.

Compared to a traditional 3-tier architecture, Nutanix offers the following benefits:

Elimination of Siloed Storage:

Nutanix consolidates file, block, and object storage into a single platform, eliminating the need for separate, siloed storage systems. This simplifies management and improves resource utilization.

Avoidance of Generational Infrastructure Silos:

Nutanix's modern lifecycle management allows for seamless upgrades and expansions, avoiding the creation of generational silos. This ensures that the infrastructure remains up-to-date and can easily adapt to new technologies and requirements without disruptive forklift upgrades.

References:

Nutanix Bible​

When gathering information about the configuration of VM storage, it is important to understand the provisioning type of the disks. Thin provisioning allows more efficient use of storage by allocating disk space dynamically based on actual usage rather than pre-allocating the entire disk size. The majority of VMs being thin provisioned indicates a strategy to optimize storage utilization and capacity management.

References:

Nutanix Bible

Understanding the Context:

The project to migrate to the public cloud was largely unsuccessful, indicating underlying issues that need to be identified.

Effective Open-Ended Questions:

What challenges triggered the public cloud initiative?:

Explanation: This question helps understand the initial pain points and motivations for the migration attempt, providing insight into what problems the company was trying to solve.

For deploying 5000 virtual desktops in an active/active deployment that ensures availability during maintenance or disasters, the minimum number of nodes required is 104. This configuration accounts for high availability and redundancy, ensuring that the virtual desktops remain operational even if an entire site becomes unavailable​​.

B. Defined and measurable success criteria:

Before proceeding with a Proof of Concept (POC), it is crucial to establish defined and measurable success criteria. This ensures that both the SE and the prospect have a clear understanding of what constitutes a successful evaluation.

Success criteria provide a benchmark to measure the performance, functionality, and benefits of Nutanix in the prospect's environment. It helps in objectively assessing the POC outcomes and making an informed decision.

Without clear success criteria, the POC could lack direction, and the results might be open to interpretation, leading to potential disagreements and an inconclusive evaluation.

For migrating 5 Petabytes of unstructured, archived patient data, Nutanix Objects is the recommended product. Nutanix Objects provides a scalable object storage solution designed to handle large volumes of unstructured data efficiently, making it ideal for archival purposes​​.

A prospect experiencing disk performance issues in their database environment would benefit from Nutanix features that directly enhance disk performance:

Data Locality:

Nutanix’s Data Locality ensures that the data is always accessed from the local storage tier on the node where the VM is running, reducing latency and improving performance. This feature is particularly beneficial for database workloads which are sensitive to latency.

All Flash Nodes:

Transitioning to All Flash Nodes can significantly improve performance by eliminating the latency associated with spinning disks. Flash storage provides higher IOPS and lower latency compared to traditional HDDs, addressing the disk performance issues effectively.

Other Features Analysis:

Snapshots: Useful for data protection and recovery but do not directly improve disk performance.

De-duplication: Reduces storage footprint but might introduce latency due to the overhead of deduplication processes.

Erasure Coding: Improves storage efficiency and resiliency but is not primarily aimed at enhancing performance.

Conclusion: To address disk performance issues, discussing Data Locality and All Flash Nodes is most appropriate as they directly enhance performance by optimizing data access patterns and using high-speed storage media.

References:

Nutanix Bible: Data Locality​​

Nutanix product documentation on All Flash Nodes​

Understanding the Requirements:

The cluster is in a dark site, meaning it does not have access to the internet. This requires offline methods to update firmware.

Download the Update Firmware:

Option A: Download the update firmware .tgz file from the Nutanix Portal:

The administrator needs to download the firmware update package from the Nutanix Support Portal. This package typically includes the necessary firmware files bundled in a .tgz file format.

This step ensures that the correct and latest firmware version is obtained directly from Nutanix, which is essential for maintaining compatibility and stability​​.

Stage the Dark Site Bundle:

Option B: Download the dark site bundle and stage it on an internal webserver:

Since the cluster does not have internet access, the administrator must use the dark site bundle. This involves downloading the necessary files and staging them on an internal web server accessible by the Nutanix cluster.

This internal web server acts as a local repository for the firmware updates, ensuring that the cluster can access and apply the updates without needing an internet connection​​.

Conclusion:

To update the firmware in a dark site environment, the correct steps are to download the firmware .tgz file from the Nutanix Portal and stage the dark site bundle on an internal web server.

References: Nutanix documentation on dark site management and firmware updates.

C. N+1:

In the exhibit, the Failover option selected is "Standard (N+1)." This indicates that the configuration is set up for N+1 resiliency.

N+1 resiliency means that the system can tolerate the failure of one node without affecting the availability of the applications running on the cluster.

This is a standard level of resiliency where one additional node is available to take over in case of a failure, ensuring continuous availability.

References:

Nutanix documentation and the Nutanix Bible explain the different levels of resiliency, including N+1, and how they ensure data and application availability in case of node failures.