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| Section | Weight | Objectives |
|---|---|---|
| Monitor Alerts and Storage Usage Within an NDB Implementation | 15% | - Monitor and manage storage consumption - Monitor alerts and notifications |
| Protect NDB-managed Databases Using Time Machine | 15% | - Manage SLA and retention policies - Implement data protection and access control - Create, restore, and refresh clones |
| Deploy and Configure an NDB Solution | 20% | - Deploy NDB components - Configure NDB settings and integration |
| Describe NDB Concepts | 10% | - Describe NDB features and benefits - Define database and NDB terminology |
| Operate and Maintain an NDB Environment | 25% | - Register database servers and databases - Apply patches and upgrades - Troubleshoot NDB operations - Provision and manage databases |
| Administer an NDB Environment | 15% | - Upgrade NDB software - Manage profiles and configurations - Integrate with Nutanix clusters |
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問題 #311
Which site needs to be reachable to ensure an NDB server can send periodic telemetry data to the central Nutanix repository over port 443?
答案：A
解題說明：
To ensure an NDB server can send periodic telemetry data to the central Nutanix repository, the server must be able to communicate with the Nutanix Insights platform over port 443 (HTTPS). The insights.nutanix.com site is the designated endpoint for telemetry data, which includes usage statistics, health metrics, and other operational data sent to Nutanix for support and analytics purposes. This connectivity is a standard requirement for NDB to comply with Nutanix's telemetry and support framework, and port 443 is used for secure transmission.
Option A (download.nutanix.com) is incorrect because this site is used for downloading software updates, not telemetry data.
Option B (developers.nutanix.com) is incorrect as it is a resource for developers, not a telemetry endpoint.
Option C (portal.nutanix.com) is incorrect because this is the Nutanix customer portal for account management, not telemetry submission.
Option D (insights.nutanix.com) is correct as it is the specific site for sending telemetry data.
The administrator should ensure network policies allow outbound traffic to this site on port 443.
References
Nutanix Database Service (NDB) User Guide, Chapter 6: Administering an NDB Environment, Section:
Telemetry and Connectivity Requirements
Nutanix Support & Insights, Knowledge Base Article: "Configuring Telemetry for NDB" Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Blueprint, Section 6: Administer an NDB Environment
問題 #312
One node of an NDB-managed three-node Oracle RAC cluster has become corrupted and the RAC environment must be restored. Which statement is valid regarding restoration through NDB?
答案：C
解題說明：
NDB treats an Oracle RAC database as one managed database rather than as unrelated per-node databases.
Nutanix documentation states that NDB creates a single Time Machine for a registered RAC database while collecting metadata for all nodes and instances forming that database. Consequently, an NDB database restore targets the RAC database environment as a whole, making option C the valid statement among the choices. It is not a node-level storage-repair or operating-system reconstruction function, and NDB does not restore only one RAC node or automatically rebuild that node by copying it from its peers. If the node's VM, operating system, Grid Infrastructure, or database binaries are corrupted, those components may require separate remediation before the database-level restore. Nutanix's Oracle RAC documentation confirms the single- Time-Machine management model, and its restore procedure applies to RAC databases.
問題 #313
When running the Linux prerequisites script, an administrator discovers that the only required argument is -t.
What does the -t argument specify?
答案：A
解題說明：
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) v6.5 Knowledge Objectives, Section
2: Deploy and Configure an NDB Solution, Objective 2.1: Prepare Hosts (applicable to v6.10).
* Nutanix NDB Installation Guide: "Running the Linux Prerequisites Script" section, detailing -t usage.
問題 #314
What is the minimum frequency in minutes configurable for NDB Log Catch-up operation?
答案：D
解題說明：
The minimum frequency configurable for the NDB Log Catch-up operation is 15 minutes. This setting determines how frequently the log catch-up process runs, which is crucial for maintaining data integrity and ensuring up-to-date database states.References:Nutanix Database Automation documentation, focusing on log management and catch-up operation settings.
問題 #315
Why would an administrator want to publish a software profile update for Microsoft SQL Server that is created in NDB?
答案：D
解題說明：
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
問題 #316
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