Nutanix Certified Professional (NCP) NCP-DB Passing Score

When registering a new Nutanix Cluster with Era, the Era Agent is installed on the target Nutanix cluster via the Register Nutanix Cluster workflow1. This agent is crucial for the functioning of the Nutanix Database Service (NDB) as it helps in managing and optimizing database workloads2. It also enables the application of procedural concepts to add Nutanix clusters to NDB2.

When consolidating Microsoft SQL Server instances on database server VMs managed by NDB using a medium compute profile, concerns about DB storage capacity can arise due to increased demand. In NDB, the appropriate task to address this is to "Update the Database Server VMs," which allows the administrator to adjust resource allocations, including storage capacity, for the VMs hosting the databases. This task can be performed within the NDB interface to expand disk space or reconfigure storage settings without altering the compute profile or requiring external tools.

Option A (Update the Database server VMs) is correct as it provides a direct method in NDB to modify VM resources, including storage.

Option B (Expand vDisk in Prism Element) is incorrect because NDB manages database VMs holistically, and storage expansion should be handled through NDB’s Update task rather than Prism Element directly.

Option C (Update the compute profile) is incorrect because compute profiles define CPU and memory, not storage capacity.

Option D (Scale the source database) is incorrect as scaling typically refers to database-level adjustments (e.g., adding nodes), not VM storage expansion.

This approach ensures seamless integration with NDB’s management framework.

References

Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Database Servers, Section: Updating Database Server VMs

Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 4: Manage Database Servers

In Nutanix Database Service (NDB), patching Oracle database engines requires the "Update" button to be available on the database server VM’s management interface. If this button is missing, it typically indicates a configuration issue preventing NDB from performing the patching operation. The most common and critical reason is that the operating system (OS) credentials for the database server VM have not been set or registered with NDB. These credentials are necessary for NDB to authenticate and execute patching tasks on the VM, such as accessing the Oracle software and applying updates via a software profile.

Option A is correct because missing OS credentials prevent NDB from establishing the required connection to the VM, disabling the Update button.

Option B (Database parameters are missing) is incorrect because while database parameters are important for configuration, they do not directly control the visibility of the Update button for patching.

Option C (Oracle DB engines cannot be patched) is incorrect as NDB explicitly supports patching Oracle databases when properly configured.

Option D (Software profile is not published) is incorrect because an unpublished software profile might limit availability to users, but the Update button’s presence relies on VM connectivity, not profile publication status.

To resolve this, the administrator must register valid OS credentials for the VM in NDB, enabling the patching functionality.

References

Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Software Profiles, Section: Patching Database Engines

Nutanix Support & Insights, Knowledge Base Article: "Troubleshooting Missing Update Button in NDB"

Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 4: Manage Database Software Profiles

 The correct answer is C because the NDB Database Agent service is responsible for scheduling and monitoring the NDB-related operations, such as provisioning, patching, cloning, and restoring databases. The NDB Database Agent service is deployed on the NDB server and on each of the database server VMs provisioned by NDB. It contains the tools required to perform each task and communicates with the NDB server through the NDB API. The other options are not correct because they describe different components or functions of the NDB solution. Option A is not correct because the transaction logs are not stored by the NDB Database Agent service, but by the NDB Time Machine service, which is a distributed file system that stores the database snapshots and logs. Option B is not correct because the source databases are not hosted by the NDB Database Agent service, but by the database server VMs, which are virtual machines that contain an instance of the database engine software and the database files. Option D is not correct because the NDB Database Agent service does not contain an instance of the database engine software, but only the tools required to perform the NDB-related operations. The database engine software is installed on the database server VMs, which are provisioned by NDB using the profiles defined by the administrator. References: Nutanix Database Management & Automation (NDMA) course, Nutanix Certified Professional - Database Automation (NCP-DB) certification, Nutanix NCP-DB Certification Exam Syllabus and Study Guide, Nutanix Support & Insights