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| Certification Vendor: | Nutanix |
|---|---|
| Exam Name: | Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 |
| Exam Number: | NCP-DB |
| Related Certifications: | Nutanix Certified Associate (NCA) Nutanix Certified Professional - Multicloud Infrastructure (NCP-MCI) |
| Exam Format: | Scenario-based questions, Multiple choice |
| Available Languages: | English |
| Recommended Training: | Nutanix Database Service (NDB) Training |
| Exam Registration: | Nutanix Certification Portal |
| Sample Questions: | Nutanix NCP-DB Sample Questions |
| Exam Way: | Online proctored exam or authorized test center |
| Pre Condition: | Recommended prior experience with Nutanix infrastructure and basic database administration knowledge. NCP-MCI or equivalent knowledge is recommended. |
| Official Syllabus URL: | https://www.nutanix.com/support-services/training-certification |
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NEW QUESTION # 225
An administrator needs to deploy a database resilient cluster engine across three clusters. Which database engine can be used for this scenario?
Answer: D
Explanation:
To deploy a database resilient cluster engine across three Nutanix clusters, the database engine must support high availability (HA) and distributed deployment capabilities that NDB can manage across multiple clusters.
PostgreSQL is the only database engine listed that NDB supports for a resilient cluster deployment across multiple clusters. NDB's HA features for PostgreSQL include automated failover, replication, and data consistency across geographically distributed clusters, making it suitable for a three-cluster scenario. This is achieved through PostgreSQL's built-in streaming replication and NDB's orchestration of HA policies.
Other options are not supported for this use case in NDB:
* A. MariaDB: While MariaDB supports replication, NDB does not currently provide multi-cluster HA or resilient cluster deployment for MariaDB.
* B. MySQL: Similar to MariaDB, MySQL lacks native multi-cluster HA support within NDB's framework.
* D. Oracle: Oracle databases can be managed by NDB, but multi-cluster resilient deployments are not natively supported; Oracle RAC (Real Application Clusters) requires specific configurations beyond NDB's standard capabilities.
Thus, the verified answer is C, as PostgreSQL aligns with NDB's multi-cluster resilience features.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 4: High Availability and Disaster Recovery, Lesson 4.2: Configuring Multi-Cluster HA.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
4: Troubleshoot NDB Solutions, Objective 4.3: Configure HA Across Clusters (applicable to v6.10).
* Nutanix NDB Administration Guide: "Supported Database Engines for HA" section, highlighting PostgreSQL multi-cluster support.
NEW QUESTION # 226
Where would an administrator find the total space being used by all Era clones for a specific database?
Answer: A
Explanation:
Nutanix Era leverages the Nutanix time-efficient snapshots to create the clones1. These database clones are highly space-efficient, consuming near-zero bytes by having only the further writes constituting to its size1.
Therefore, an administrator would find the total space being used by all Era clones for a specific database under the Cloning widget on the Databases > Clones database summary page. The other options do not specifically provide information about the total space used by all Era clones for a specific database. Therefore, the correct answer is A. Under the Cloning widget on the Databases > Clones database summary page.
NEW QUESTION # 227
Why would an administrator want to publish a software profile update for Microsoft SQL Server that is created in NDB?
Answer: D
Explanation:
In NDB, publishing a software profile update for Microsoft SQL Server makes it available for broader use within the NDB environment. When an administrator creates and publishes an updated software profile (e.g., with a new SQL Server patch or version), this action allows all authorized NDB users to leverage that profile to patch or update the database software on their managed VMs. This is a key feature of NDB's software profile management, enabling centralized control and distribution of standardized database configurations.
Option A is correct because publishing a profile democratizes access, allowing all users to apply the update to their database VMs, aligning with NDB's collaborative administration model.
Option B is incorrect because it suggests the profile patches itself, which is not the intent; publishing enables usage, not self-application.
Option C is incorrect because publishing does not automatically deprecate older profiles; deprecation is a separate administrative decision.
Option D is incorrect because publishing facilitates patching, not stalls it.
This process enhances efficiency and consistency in managing SQL Server updates across an organization.
References
Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Software Profiles, Section: Creating and Publishing Software Profiles Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Blueprint, Section 4: Manage Database Software Profiles
NEW QUESTION # 228
An administrator needs to add multiple databases to an existing PostgreSQL instance.
How should the administrator satisfy this requirement?
Answer: B
Explanation:
To add multiple databases to an existing PostgreSQL instance managed by NDB, the administrator should use the NDB graphical user interface (GUI). The GUI provides a user-friendly way to modify the parameter profile associated with the PostgreSQL instance, allowing the addition of new databases by adjusting settings such as database names, sizes, or configurations. This process typically involves navigating to the "Databases" or "Instances" section, selecting the PostgreSQL instance, and editing the parameter profile to include additional databases.
Other options are less appropriate:
* A. Modify parameter profile using ncli: The ncli (Nutanix Command Line Interface) is used for cluster-level management in Prism, not for NDB database configuration.
* C. Modify parameter profile using post script: Post-scripts are used for custom actions post- provisioning, not for modifying parameter profiles to add databases.
* D. Modify parameter profile using NDB CLI: While NDB has a CLI, the GUI is the recommended and supported method for such configuration changes, offering a guided workflow and validation.
Thus, the verified answer is B, leveraging the NDB GUI for ease and compliance with best practices.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 3: Managing Database Instances, Lesson 3.4: Modifying Database Configurations.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
3: Manage NDB Solutions, Objective 3.3: Modify Parameter Profiles (applicable to v6.10).
* Nutanix NDB Administration Guide: "Managing PostgreSQL Instances" section, detailing GUI-based modifications.
NEW QUESTION # 229
An administrator needs to perform LCM upgrades on an AHV cluster registered with NDB. The cluster hosts NDB-provisioned database server VMs that are part of a database server cluster.
What should the administrator do to allow the DB Server VMs to stay available while the cluster is being upgraded?
Answer: A
Explanation:
The correct answer is B because setting VM-Host affinity ensures that the DB Server VMs are not migrated to another host during the LCM upgrade process. This way, the DB Server VMs can continue to serve the database requests without interruption. Option A is incorrect because updating the Nutanix cluster does not prevent the DB Server VMs from being moved to another host. Option C is incorrect because removing the Nutanix cluster from NDB will make the DB Server VMs unmanaged by NDB and lose thebenefits of NDB features. Option D is incorrect because unsetting VM-Host affinity will allow the DB Server VMs to be migrated to another host during the LCM upgrade process, which may cause downtime or performance degradation.
References: The following sources provide more information about the LCM upgrades and VM-Host affinity in NDB:
* Nutanix Database Management & Automation (NDMA) course, Module 6: Administering an NDB Environment, Lesson 6.3: Performing NDB Software Upgrades
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Knowledge Objectives, Section
6 - Administer an NDB Environment
* Nutanix Database Service (NDB) User Guide, Chapter 8: Administering an NDB Environment, Section
8.3: Performing NDB Software Upgrades
* Nutanix Support & Insights, Your guide to the Upgrades, LCM Design
* Nutanix Life Cycle Manager Guide, Chapter 3: Upgrading Software and Firmware, Section 3.2:
Preparing for an Upgrade, VM-Host Affinity
NEW QUESTION # 230
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