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Nutanix NCP-DB Exam Syllabus Topics:
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Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Sample Questions (Q219-Q224):
NEW QUESTION # 219
A quality assurance team noticed a significant change between a cloned database they are currently using versus the one used one week ago. They created an SQL script to verify the differences.
Which task should be performed by an NDB administrator to provide the correct database to the QA team?
Answer: D
Explanation:
When a quality assurance (QA) team notices a significant change between a cloned database currently in use and one used a week ago, and they have an SQL script to verify differences, the NDB administrator needs to provide a clone reflecting the database state from a week ago. The task "Clone database selecting Point in Time data" allows the administrator to select a specific point-in-time snapshot (e.g., from a week ago) using the Time Machine feature. This creates a new clone with the exact data state at that time, enabling the QA team to compare it with the current clone.
* Option A (Replicate a selected snapshot) is incorrect because replication is for HA, not creating a usable clone for QA.
* Option B (Create a clone database from a snapshot) is incorrect because it does not specify point-in- time selection, limiting flexibility to the latest snapshot.
* Option C (Clone database selecting Point in Time data) is correct as it allows precise selection of the week-old data state.
* Option D (Perform a Log Catch Up operation) is incorrect because Log Catch Up applies recent logs, not reverting to a past state.
This approach meets the QA team's need for historical data comparison.
References
* Nutanix Database Service (NDB) User Guide, Chapter 5: Configuring Time Machines, Section:
Cloning with Point-in-Time Data
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 5: Protect Databases Using Time Machine
NEW QUESTION # 220
An administrator wants to migrate an existing MSSQL Server database to NDB.
How should the administrator complete this migration?
Answer: B
Explanation:
To migrate an existing Microsoft SQL Server (MSSQL) database to NDB, the recommended approach is to:
* Provision a new database server VM and database: Use the NDB interface to provision a new VM and configure an MSSQL database instance on the Nutanix platform. This leverages NDB's automated provisioning capabilities to ensure compatibility with Nutanix infrastructure.
* Migrate the data: Transfer the data from the existing MSSQL database to the newly provisioned database. This can be achieved using native MSSQL tools (e.g., backup/restore, log shipping, or replication) or NDB's data migration features, such as cloning or restoring from a backup, depending on the source environment.
Other options are incorrect or incomplete:
* A. Use Nutanix Move to migrate the database server VM: Nutanix Move is designed for VM migration between platforms, not for database-specific migrations within NDB, which requires data migration to a new instance.
* C. Create a new database server VM and database then register it with NDB: Registering an existing VM with NDB does not handle data migration from the source MSSQL database.
* D. Backup your database VM and import it into Nutanix: Backing up the entire VM and importing it does not integrate the database with NDB's management framework, and data migration would still be required separately.
Thus, the verified answer is B, providing a structured migration process tailored to NDB's capabilities.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 3: Managing Database Instances, Lesson 3.5: Migrating Databases to NDB.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
3: Manage NDB Solutions, Objective 3.4: Migrate Databases (applicable to v6.10).
* Nutanix NDB Administration Guide: "Migrating MSSQL Databases to NDB" section, outlining provisioning and data migration steps.
NEW QUESTION # 221
What are two of the required steps to provision a new network in Clusters and extend it to Era? (Choose two.)
Answer: A,B
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, to provision a new network in Clusters and extend it to Era, you need to:
B; Add the new subnet and VLAN in Network Configuration in PE1. C. Add the new VLAN in Era Networks1.
These steps ensure that the new network is properly configured in both the Nutanix environment and Era, allowing for seamless communication and operation. Please refer to the official Nutanix documentation and training materials for more detailed information1.
NEW QUESTION # 222
A new web application performs up to 200 concurrent connections to a PostgreSQL database. An administrator needs to configure the system to provision those DB servers.
Which action would easily help the administrator achieving this goal?
Answer: B
Explanation:
A new web application with up to 200 concurrent connections to a PostgreSQL database requires a robust and scalable configuration. Provisioning a PostgreSQL HA (High Availability) instance in NDB is the most effective action to achieve this goal. An HA instance leverages replication (e.g., streaming replication) to distribute load and ensure availability, accommodating high concurrency by allowing multiple nodes to handle traffic. This approach simplifies configuration compared to manual scripting or parameter adjustments.
* Option A (Use Post Create Command when provisioning the DB) is incorrect because post-create commands are for custom scripts, not optimal for handling concurrent connections.
* Option B (Create a new Database Parameters profile) is incorrect because while it can tune settings, it's less efficient than HA for scaling concurrency.
* Option C (Edit the API equivalent shell script) is incorrect as it's a manual and error-prone method compared to HA provisioning.
* Option D is correct because a PostgreSQL HA instance natively supports high concurrency and availability.
Note: The typo "PostqreSQL" is assumed to mean "PostgreSQL."
References
* Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Database Engines, Section:
Provisioning HA Instances
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 4: Manage Database Engines
NEW QUESTION # 223
An administrator is tasked with auditing NDB SLAs. What data will the administrator be reviewing?
Answer: C
NEW QUESTION # 224
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