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The Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 (NCP-DB) exam dumps are real and updated NCP-DB exam questions that are verified by subject matter experts. They work closely and check all NCP-DB exam dumps one by one. They maintain and ensure the top standard of PrepPDF NCP-DB Exam Questions all the time. The NCP-DB practice test is being offered in three different formats. These NCP-DB exam questions formats are PDF dumps files, web-based practice test software, and desktop practice test software.
NEW QUESTION # 26
When running the Linux prerequisites script, an administrator discovers that the only required argument is -t.
What does the -t argument specify?
Answer: D
Explanation:
When running the Linux prerequisites script for NDB, the -t argument is a required parameter that specifies the timeout interval. This argument defines the maximum time (in seconds) the script will wait for certain operations (e.g., connectivity checks, package installations) to complete before timing out. This is critical during the preinstallation phase to ensure the environment is properly configured and responsive, avoiding indefinite hangs. Other options are not associated with -t:
A). Operating System type: This is not a typical argument for the prerequisites script.
C). NDB server IP: This would be specified separately (e.g., via -s or a similar flag).
D). Database engine: This is irrelevant to the prerequisites script, which focuses on system setup.
Thus, the verified answer is B, aligning with the script's purpose of managing execution timeouts.
Official Nutanix Database Automation References
Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.1: Running Prerequisites Scripts.
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: "Running the Linux Prerequisites Script" section, detailing -t usage.
NEW QUESTION # 27
An administrator needs to investigate a database server deployment failure, but the failed database server VM is being destroyed during rollback.
Which global option should the administrator enable so that the database server VM remains deployed after the failure?
Answer: C
Explanation:
Failed NDB provisioning workflows normally perform a rollback that removes resources created during the unsuccessful operation, including the database server VM. For troubleshooting, the administrator can enable the global skip_rollback_global setting so that NDB does not execute this cleanup path. The failed VM is then preserved for inspection of its operating-system state, logs, network configuration, and database installation artifacts. Nutanix Support states that automatic deletion occurs only when delete_vm_on_failure is true and skip_rollback_global is false; other combinations preserve the VM and require manual cleanup afterward.
Because the question specifically asks which global rollback option must be enabled, skip_rollback_global is the correct selection. It should be returned to its normal value after troubleshooting to avoid abandoned resources. Nutanix KB 14629
NEW QUESTION # 28
An administrator needs to create a Network Profile for NDB HA VMs spread across three Nutanix clusters.
What type of Network Profile is required for NDB API and Repository VMs?
Answer: B
Explanation:
When creating a Network Profile for NDB HA VMs (e.g., NDB API and Repository VMs) spread across three Nutanix clusters, the required type is PostgreSQL HA instance managed outside NDB. NDB HA relies on a PostgreSQL database for its control plane, and in a multi-cluster HA setup, this PostgreSQL instance must be configured for high availability (e.g., using streaming replication) outside NDB's management. The Network Profile must support this external HA instance's networking requirements (e.g., VLANs, IP ranges) to ensure connectivity across clusters.
Other options are incorrect:
* A. PostgreSQL HA instance managed in NDB: NDB manages database instances, not its own HA control plane database.
* B. PostgreSQL single instance managed in NDB: A single instance lacks HA, unsuitable for multi- cluster.
* D. PostgreSQL single instance managed outside NDB: Lacks HA, insufficient for NDB HA VMs.
Thus, the verified answer is C, aligning with NDB HA architecture.
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: "Network Profile Configuration for HA VMs" section.
NEW QUESTION # 29
While restoring a PostgreSQL HA instance, an administrator notices that the restore of a standby node has failed. The primary node is ready to seive application traffic.
In what state does NDB leave the database?
Answer: A
Explanation:
When restoring a PostgreSQL HA instance in NDB, if the standby node fails to restore but the primary node is successfully restored and ready to serve application traffic, NDB considers the database operational from the perspective of the primary node. In this scenario, NDB leaves the database in an "ONLINE" state, reflecting that the primary node is functional and capable of handling requests, even though the HA configuration is not fully intact due to the standby failure. The administrator would need to address the standby node separately (e.g., by re-provisioning or troubleshooting), but the database's state is determined by the primary node's readiness.
* Option A (PAKFIAL.READY) appears to be a typo and is not a valid NDB state.
* Option B (OFFLINE) is incorrect because the primary node is operational, so the database is not offline.
* Option C (ONLINE) is correct as it reflects the primary node's ability to serve traffic.
* Option D (RECOVERY PENDING) is incorrect because the primary node has completed recovery and is active, not pending.
This behavior aligns with NDB's focus on maintaining service availability where possible.
References
* Nutanix Database Service (NDB) User Guide, Chapter 5: Configuring Time Machines, Section:
Restoring HA Instances
* Nutanix Support & Insights, Knowledge Base Article: "Handling Partial Restore Failures in PostgreSQL HA"
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 5: Protect Databases Using Time Machine
NEW QUESTION # 30
An administrator needs to register a Nutanix cluster with NDB.
Which condition requires the administrator to create a manual storage mapping between the remote container and NDB provisioning container?
Answer: A
Explanation:
When registering a Nutanix cluster with NDB, a manual storage mapping between the remote container and the NDB provisioning container is required if the NDB Server container and NDB Provisioning container are separate. This separation occurs when the storage containers used by the NDB server (for its own operations) and the provisioning container (for database VMs) are distinct, either due to multi-cluster setups or custom configurations. Manual mapping ensures NDB can correctly allocate storage resources and manage database provisioning across these containers.
Other conditions do not necessitate manual mapping:
* B. Disaster Recovery Network Segmentation is enabled on the cluster: This affects networking, not storage mapping.
* C. Nutanix Database Service High Availability is enabled on the cluster: HA configurations handle replication, not container mapping.
* D. DB VMs are stored in the NDB Server or NDB Provisioning container: This is a typical setup and does not require manual mapping unless containers differ.
Thus, the verified answer is A, addressing storage container separation.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.3: Registering a Nutanix Cluster.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
2: Deploy and Configure an NDB Solution, Objective 2.2: Register a Nutanix Cluster (applicable to v6.
10).
* Nutanix NDB Administration Guide: "Storage Container Mapping" section.
NEW QUESTION # 31
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