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| Certification Vendor: | Nutanix |
|---|---|
| Exam Name: | Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 |
| Exam Number: | NCP-DB |
| Available Languages: | English |
| Related Certifications: | Nutanix Certified Associate (NCA) Nutanix Certified Professional - Multicloud Infrastructure (NCP-MCI) |
| Exam Format: | Multiple choice, Scenario-based questions |
| 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 # 166
A new administrator is tasked with changing the NDB GUI password via CLl.
Which command will accomplish this task?
Answer: C
Explanation:
To change the NDB GUI password via the CLI, the administrator should use the command era-server > security password reset. This command interacts with the NDB server (referred to as era-server in the CLI context) to reset the password for the GUI admin user. The process typically prompts for the new password and confirmation, ensuring secure password management. This is the supported method for CLI-based password changes in NDB.
Other options are incorrect:
* A. sudo passwd era: The passwd command is for Linux user accounts, not NDB-specific GUI credentials.
* B. sudo user name admin password: This is not a valid command syntax for NDB CLI.
* C. era-server > username admin password: This lacks the correct subcommand (security password reset) and syntax.
Thus, the verified answer is D, aligning with NDB's CLI security management.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.6: Managing NDB via CLI.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
2: Deploy and Configure an NDB Solution, Objective 2.5: Manage NDB Security (applicable to v6.10).
* Nutanix NDB Administration Guide: "Changing GUI Password via CLI" section, detailing era-server commands.
NEW QUESTION # 167
An administrator needs to deploy a cumulative update (CU) for SQL Server.
What steps would the administrator take to prepare this deployment with NDB?
Answer: C
Explanation:
The correct answer is C because it follows the recommended procedure for applying a CU to a SQL Server Software Profile in NDB. By applying the patch to the profile VM, the administrator ensures that the CU is compatible with the existing Software Profile settings and configuration. By creating a new Software Profile version, the administrator preserves the previous version of the Software Profile for rollback purposes and allows the new version to be tested and published. Option A is incorrect because it deletes the existing Software Profile, which may cause data loss and prevent rollback. Option B is incorrect because it does not apply the patch to the profile VM, which may result in errors or inconsistencies in the Software Profile. Option D is incorrect because it creates a new Software Profile instead of a new version, which may cause confusion and duplication.
References: The following sources provide more information about the Software Profile management and patching in NDB:
* Nutanix Database Management & Automation (NDMA) course, Module 5: Patching Databases Using NDB, Lesson 5.2: Creating and Modifying Software Profiles
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Knowledge Objectives, Section
4 - Operate and Maintain an NDB Environment
* Nutanix Database Service (NDB) User Guide, Chapter 5: Patching Databases Using NDB, Section 5.2:
Creating and Modifying Software Profiles
* Nutanix Database Service (NDB) User Guide, Chapter 5: Patching Databases Using NDB, Section 5.3:
Testing and Publishing Database Patches
NEW QUESTION # 168
A database administrator wants to clone an SQL database that has Transparent Data Encryption (TDE) enabled.
Which two steps must be taken on the target server for this clone to be successful? (Choose two.)
Answer: A,C
Explanation:
When cloning an SQL database with Transparent Data Encryption (TDE) enabled in NDB, the target server must handle the encryption keys to ensure the cloned database remains functional and secure. TDE uses a keystore (e.g., a bundle file containing the master key and certificate) to encrypt data. Two steps are required:
(1) The administrator must back up the keystore bundle file from the source database server VM and transfer it to the target server, ensuring the clone can decrypt the data. (2) After the clone is created, the administrator must run the post-clone command script, which configures the TDE keys on the target server, completes the encryption setup, and activates the cloned database.
* Option A (Backup the .cer and .pvk files from the source database server VM) is incorrect because TDE in SQL Server typically uses a keystore bundle, not separate .cer and .pvk files.
* Option B (Backup the keystore bundle file from the source database server VM) is correct as it ensures the encryption keys are available on the target.
* Option C (Run the pre-clone command script) is incorrect because pre-clone scripts are for preparation, not TDE-specific post-clone setup.
* Option D (Run the post-clone command script) is correct as it finalizes the TDE configuration on the target server.
These steps ensure a successful TDE-enabled clone.
References
* Nutanix Database Service (NDB) User Guide, Chapter 5: Configuring Time Machines, Section:
Cloning TDE-Enabled Databases
* Nutanix Support & Insights, Knowledge Base Article: "Cloning SQL Server with TDE in NDB"
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 5: Protect Databases Using Time Machine
NEW QUESTION # 169
An administrator needs to migrate a large 1/0-intensive database that doesn't support multi-disk layout.
How should the storage be provisioned with Era to support the database while optimizing performance?
Answer: D
Explanation:
In Nutanix Era, a Volume Group is the recommended storage provisioning method for a large I/O-intensive database that doesn't support a multi-disk layout1. A Volume Group in Nutanix Era is a collection of disks that can be managed as a single entity, providing a way to aggregate the storage capacity of multiple disks into a larger storage unit1. This allows for better performance optimization as it enables the database to leverage the combined I/O capabilities of all the disks in the group1. It's important to note that while other options like Load Balancing, Storage Spaces, and vDisk based provisioning can also be used in certain scenarios, a Volume Group is specifically designed for situations where a single, high-performance storage unit is required1.
NEW QUESTION # 170
An administrator needs to create a custom PostgreSQL HA software profile.
Which software component manages the state of the cluster and handles failover?
Answer: B
Explanation:
NDB supports PostgreSQL HA software profiles for provisioning PostgreSQL databases with high availability. PostgreSQL HA software profiles consist of three components: etcd, HAProxy, and Patroni.
etcd is a distributed key-value store that provides a reliable way to store configuration data across a cluster of machines. etcd is used by Patroni to store and synchronize the cluster state and configuration.
HAProxy is a load balancer that distributes incoming requests to the PostgreSQL nodes. HAProxy is used to expose a single endpoint for database connections even as the roles of the individual nodes change.
Patroni is a template for PostgreSQL high availability. Patroni is responsible for managing the state of the cluster and handling failover. Patroni uses etcd as the distributed configuration store and relies on HAProxy for load balancing.
Therefore, the software component that manages the state of the cluster and handles failover is Patroni.
References:
* Nutanix Database Automation (NCP-DB) Course Details, Section 2.4: Provisioning PostgreSQL Databases
* Nutanix Database Automation (NCP-DB) Certification Details, Objective 2.4: Provision PostgreSQL Databases
* Nutanix Database Automation (NCP-DB) YouTube Playlist, Video 2.4: Provisioning PostgreSQL Databases
* [Nutanix Database Automation (NCP-DB) User Guide], Section 2.4: Provision PostgreSQL Databases
* [PostgreSQL High Availability: Under the Hood - Nutanix.dev]
NEW QUESTION # 171
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