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NEW QUESTION # 97
Which two statements best describe the features and functionality of Era Oracle patching? (Choose two.)
Answer: A,C
Explanation:
Nutanix Era provides a unified database operating model that delivers simplicity, performance, availability, and security across private and public clouds1. It standardizes your Oracle database ecosystem by mass patching the databases with one-click simplicity2. This includes the following features:
* Automated Patching: Era patching can be automated using REST API/CLI for scheduled patching many Oracle servers in a fleet patching scenario1. This allows for the standardization of your Oracle database ecosystem by mass patching the databases with one-click simplicity2.
* Automatic Rollback: Era patching for Oracle databases has automatic rollback if any of the steps in the patching workflow fails1. This ensures that your databases remain secure and functional even if an issue arises during the patching process1.
NEW QUESTION # 98
Before registering a SQL Server VM with NDB, an administrator must first verify what is enabled?
Answer: B
Explanation:
Before registering a SQL Server VM with Nutanix Database Service (NDB), the administrator must ensure that the VM is configured to allow NDB to communicate with and manage it. For SQL Server VMs running on Windows, NDB relies on Windows Remote Management (WinRM) to facilitate remote administration, discovery, and management tasks. WinRM is a Microsoft protocol that enables secure communication between the NDB control plane and the Windows-based database server VM. It must be enabled and properly configured (e.g., with HTTP or HTTPS listeners and appropriate firewall rules) to allow NDB to register the VM and perform operations like provisioning, patching, or cloning.
Option A (Secure Shell - SSH) is incorrect because SSH is a protocol primarily used for Linux-based systems, not Windows-based SQL Server VMs. NDB uses WinRM for Windows environments.
Option B (Remote Management - WinRM) is correct as it aligns with NDB's requirements for managing Windows VMs hosting SQL Server instances.
Option C (Remote Desktop - RDP) is incorrect because RDP is a protocol for interactive desktop access, not for the automated management and communication required by NDB.
Option D (Windows PowerShell) is incorrect as a standalone answer. While PowerShell can leverage WinRM for remote execution, NDB specifically requires WinRM to be enabled as the underlying service, not just PowerShell itself.
To verify WinRM is enabled, the administrator can run winrm quickconfig on the SQL Server VM or check the service status and firewall settings. NDB documentation emphasizes this prerequisite to ensure successful registration and management of SQL Server VMs.
References
Nutanix Database Service (NDB) User Guide, Chapter 2: Deploying and Configuring an NDB Solution, Section: Registering Database Server VMs Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Blueprint, Section 2: Deploy and Configure an NDB Solution, Objective 2.2: Configure an NDB Instance Nutanix Support & Insights, Technical Note: "Preparing Windows VMs for NDB Registration"
NEW QUESTION # 99
A Linux OS is running a PostgreSQL instance that is managed by NDB. This instance is not working properly after a manual OS update, so an administrator has prepared a new Linux DB server VM that is ready to host the data from the broken DB.
Which action should the administrator perform to migrate data to the new DB server VM?
Answer: C
Explanation:
In this scenario, a PostgreSQL instance managed by NDB on a Linux VM is malfunctioning after a manual OS update, and a new Linux DB server VM has been prepared to host the data. To migrate the data to the new VM, the administrator must integrate the new VM into NDB's management framework. The correct action is to register the new DB Server VM in NDB, which allows NDB to recognize and manage the VM as a database server. Once registered, the administrator can use NDB's features (e.g., cloning, restoring, or reprovisioning) to migrate the data from the broken instance to the new VM.
Here's why the other options are incorrect:
* A. Provision a new PostgreSQL instance from the Databases page: This creates a fresh instance without migrating existing data, losing the broken instance's data unless separately restored.
* B. From The Machine policy, Authorize Database Server VMs: Machine policies in NDB define rules for VM management, but authorizing VMs is not a direct migration action and assumes prior registration.
* C. Follow the Provision a PostgreSQL Instance wizard: Similar to A, this provisions a new instance rather than migrating data to an existing prepared VM.
Registering the new VM in NDB (via the "Database Server VMs" section) enables the administrator to associate it with the existing PostgreSQL instance's configuration and perform a data migration (e.g., using a snapshot or backup). This aligns with NDB's workflow for replacing a broken server. Thus, the verified answer is D.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 3: Managing Database Instances, Lesson 3.3: Registering and Managing Database Server VMs.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
3: Manage NDB Solutions, Objective 3.2: Register and Manage DB Server VMs (applicable to v6.10).
* Nutanix NDB Administration Guide: "Registering a Database Server VM" section.
NEW QUESTION # 100
An administrator would like to use Era for Copy Data Management operations on an Availability Group (AG) database. The AG database is hosted on replicas with different named instances, as shown below:
* SQLAGNI\EMR
* SQLAGN2\EMR
* SQLAGN3\DW
SQLAGN3\DW is running the Analytics service that needs real-time data.
How should the administrator register the database in Era?
Answer: A
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, when dealing with an Availability Group (AG) database, the database should be registered as an Availability database1. This is because the AG database is hosted on replicas with different named instances, and registering it as an Availability database allows for Copy Data Management operations to be performed across all instances. This is particularly important when services such as the Analytics service running on SQLAGN3\DW require real-time data1.
NEW QUESTION # 101
For supported Linux based database VM's managed by NDB, how would an administrator keep software profiles updated for provisioning new database VMs?
Answer: C
Explanation:
For supported Linux-based database VMs managed by NDB, keeping software profiles updated for provisioning new database VMs requires a structured process. The administrator must first apply the necessary patches (e.g., OS updates and database engine patches) to an existing database VM for each supported database engine (e.g., PostgreSQL, Oracle). Then, a new software profile version must be created using the updated VM as the source. This new version captures the patched configuration and can be used to provision new VMs, ensuring they are deployed with the latest updates.
Option A (Create a Maintenance window under the policy menu, then under Database VM, add the database VMs to that maintenance window and check both Database and Operating system updates) is incorrect because a Maintenance Window schedules updates for existing VMs, not for updating software profiles for new provisions.
Option B (Apply patches to a database VM for each supported database engine, then create a new software profile version for each supported database VM for each one using the updated database VM as the source) is correct as it follows the standard NDB process for profile updates.
Option C (Associate the newly provisioned database VMs with a maintenance window so they are kept updated) is incorrect because this applies to ongoing maintenance, not initial profile updates for provisioning.
Option D (In the Administrator menu drop down, go the Maintenance tab and choose Download Upgrade) is incorrect because downloading upgrades is part of the patch process, not the profile creation step.
This method ensures new VMs are provisioned with the latest software configurations.
References
Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Software Profiles, Section: Updating Software Profiles Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Blueprint, Section 4: Manage Database Software Profiles
NEW QUESTION # 102
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