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| Section | Weight | Objectives |
|---|---|---|
| Administer an NDB Environment | 15% | - Integrate with Nutanix clusters - Upgrade NDB software - Manage profiles and configurations |
| Monitor Alerts and Storage Usage Within an NDB Implementation | 15% | - Monitor alerts and notifications - Monitor and manage storage consumption |
| Operate and Maintain an NDB Environment | 25% | - Troubleshoot NDB operations - Apply patches and upgrades - Provision and manage databases - Register database servers and databases |
| Describe NDB Concepts | 10% | - Define database and NDB terminology - Describe NDB features and benefits |
| Deploy and Configure an NDB Solution | 20% | - Deploy NDB components - Configure NDB settings and integration |
| Protect NDB-managed Databases Using Time Machine | 15% | - Create, restore, and refresh clones - Manage SLA and retention policies - Implement data protection and access control |
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NEW QUESTION # 250
An administrator originally configured the storage for an Oracle database running on Nutanix NDB using ASMLib. The administrator would like to scale the size of the database.
What should the administrator do to most efficiently increase the size of the database?
Answer: C
Explanation:
When an administrator needs to scale the size of an Oracle database running on Nutanix NDB and originally configured using ASMLib (Automatic Storage Management Library), the most efficient approach is to use NDB's built-in scaling ability to resize existing vDisks. NDB supports dynamic resizing of virtual disks (vDisks) associated with database VMs, allowing the administrator to increase storage capacity without disrupting the database or requiring complex migrations. This method leverages Nutanix's storage integration, resizing the underlying vDisks and updating the ASMLib configuration to reflect the new size, ensuring seamless operation.
Option A (Leverage the scaling ability built into NDB to resize existing vDisks) is correct as it is the most efficient, native NDB feature for scaling storage.
Option B (Extend the size by adding new vDisks) is incorrect because adding new vDisks requires additional configuration (e.g., ASM disk group adjustments), making it less efficient than resizing.
Option C (Create a new, larger database and migrate) is incorrect because migration is time-consuming and unnecessary when resizing is supported.
Option D (Mount an iSCSI LUN and extend the database onto the new LUN) is incorrect because iSCSI LUNs are not the preferred method in NDB, and resizing vDisks is more integrated.
This approach minimizes downtime and complexity.
References
Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Database Servers, Section: Scaling Storage for Databases Nutanix Support & Insights, Knowledge Base Article: "Resizing vDisks for Oracle Databases in NDB" Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Blueprint, Section 4: Manage Database Servers
NEW QUESTION # 251
An administrator needs to patch a PostgreSQL database server VM from version 13.4 to 13.8.
What is the first step within the NDB patching workflow to accomplish this task?
Answer: D
Explanation:
NDB supports patching for PostgreSQL database instances. Patching for PostgreSQL is validated on VMs provisioned by NDB (greenfield deployments). To patch PostgreSQL database server VMs, you must create a software profile version by uploading the PostgreSQL update file in NDB. You can then use the PostgreSQL update to patch other database server VMs or provision a new database server VM with the updated software profile. The first step in the NDB patching workflow is to create a software profile version with the desired PostgreSQL version.
Nutanix Database Automation (NCP-DB) Course Details, Section 4.1: NDB Patching Overview Nutanix Database Automation (NCP-DB) Certification Details, Objective 4.1: Perform Database Patching Nutanix Database Automation (NCP-DB) YouTube Playlist, Video 4.1: NDB Patching Overview Nutanix Database Automation (NCP-DB) User Guide, Section 4.4: Patch PostgreSQL Database Software
NEW QUESTION # 252
An administrator was asked to change the snapshot schedule for a given database. The administrator discovered that the time machine is in a paused state.
How should the administrator change the schedule?
Answer: A
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, an administrator can change the snapshot schedule for a given database by selecting the Time Machine, then under Action, select Update and define an appropriate schedule1. This is because the Time Machine in Nutanix Era allows you to specify the number of backups or snapshots the time machine should take, the time of day it takes those snapshots, and the day of the week it takes weekly or monthly backups1. These options help you build a complete schedule of time machine capture operations1. Even if the Time Machine is in a paused state, the administrator can still update the schedule1. Cloning the Time Machine or the database is not necessary for changing the snapshot schedule1.
NEW QUESTION # 253
For supported Linux based database VM's managed by NDB, how would an administrator keep software profiles updated for provisioning new database VMs?
Answer: D
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 # 254
Which port should be opened to ensure the NDB server, NDB agent, and NDB database agent can communicate with the registered cluster via REST API calls?
Answer: A
Explanation:
To ensure the NDB server, NDB agent, and NDB database agent can communicate with the registered cluster via REST API calls, port 2009 must be opened. This port is used by NDB components to facilitate RESTful communication with the Nutanix cluster (e.g., Prism Element or Prism Central) for operations such as provisioning, monitoring, and management. Proper firewall configuration to allow traffic on this port is a prerequisite for NDB's integration with the cluster.
Other options are incorrect:
B). 3205: Not a standard NDB port; used for other Nutanix services.
C). 3260: Associated with iSCSI, not REST API communication.
D). 9440: Used for Prism Element's HTTPS management interface, not NDB-specific REST calls.
Thus, the verified answer is A, reflecting NDB's REST API requirements.
Official Nutanix Database Automation References
Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.1: Network and Port Requirements.
Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Knowledge Objectives, Section 2:
Deploy and Configure an NDB Solution, Objective 2.1: Prepare Hosts (applicable to v7.5).
Nutanix NDB Installation Guide: "Network Ports and Protocols" section, specifying port 2009.
NEW QUESTION # 255
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