Nutanix NCP-DB Exam With Confidence Using Practice Dumps

During an NDB upgrade, the upgrade process follows a specific order to maintain stability and HA. The Leader NDB API Server is upgraded first. This server coordinates API requests and ensures the control plane remains operational. Upgrading the leader first minimizes disruption, as subsequent components (e.g., other API servers, HAProxy) rely on its leadership role. Once the leader is upgraded, the remaining NDB HA control plane VMs (e.g., follower API servers, HAProxy) are updated in sequence.

Other options are incorrect:

A. NDB Server: Refers to the main NDB instance, not upgraded first.

C. Leader HAProxy: Upgraded after API servers to maintain load balancing.

D. NDB Agent VMs: Upgraded last, as they are client-side components.

Thus, the verified answer is B, reflecting the upgrade sequence.

Official Nutanix Database Automation References

Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.4: Updating NDB.

Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section 2: Deploy and Configure an NDB Solution, Objective 2.3: Perform NDB Updates (applicable to v6.10).

Nutanix NDB Administration Guide: "NDB Upgrade Process" section.

The correct answer is A because the Windows Domain profile is the profile that includes information related to the SQL service startup account and the NDB worker service account. A Windows Domain profile is a collection of settings that define how NDB manages Windows-based database servers and databases. It contains the following information:

The domain name and credentials to join the database server VMs to the domain

The SQL service startup account and password to run the SQL Server service on the database server VMs

The NDB worker service account and password to run the NDB Database Agent service on the database server VMs

The SQL Server authentication mode to use for the databases

By using a Windows Domain profile, the administrator can simplify the database provisioning process by applying the same settings to multiple database server VMs and databases, without having to manually enter them each time. The other options are not correct because they describe different types of profiles that do not include information related to the SQL service startup account and the NDB worker service account. Option B is not correct because the Network profile is a profile that defines the network settings for the database server VMs, such as the IP address, subnet mask, gateway, DNS, and VLAN. Option C is not correct because the Database Parameter profile is a profile that defines the database parameters for the databases, such as the memory, CPU, storage, and performance settings. Option D is not correct because the Software profile is a profile that defines the software settings for the database server VMs and databases, such as the database engine version, edition, and features. 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 Database Services: Database modernization with Era - Now available

To release PostgreSQL HA instances using a dedicated subnet in Nutanix Database Service (NDB), the administrator must create a network profile that defines the subnet and its associated VLAN. Before creating this network profile, it is mandatory to add a VLAN to the NDB Networks configuration. This VLAN ensures that the dedicated subnet is recognized and manageable within NDB, allowing the HA instances to be provisioned with isolated network connectivity. The VLAN must be configured in the NDB Networks page to be available for selection during network profile creation.

Option A (The subnet in Prism Element must be IPAM configured) is incorrect because IP Address Management (IPAM) configuration in Prism Element is optional and not a mandatory prerequisite for creating a network profile in NDB.

Option B (The DB VMs must be registered first) is incorrect because VM registration is a subsequent step, not a prerequisite for network profile creation.

Option C (A VLAN must be added to NDB networks) is correct as it is a required step to define the network infrastructure before creating the profile.

Option D (Configure Network Segmentation) is incorrect because network segmentation is an advanced feature and not mandatory for basic network profile setup.

This ensures the dedicated subnet is properly integrated into NDB for HA provisioning.

References

Nutanix Database Service (NDB) User Guide, Chapter 3: Configuring an NDB Environment, Section: Configuring Network Profiles

Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 3: Configure an NDB Environment