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| Certification Vendor: | Nutanix |
|---|---|
| Exam Name: | Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 |
| Exam Number: | NCP-DB |
| Exam Format: | Scenario-based questions, Multiple choice |
| Related Certifications: | Nutanix Certified Professional - Multicloud Infrastructure (NCP-MCI) Nutanix Certified Associate (NCA) |
| 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 # 118
A database administrator wants to be notified in advance before any database clones are removed using a removal schedule What is the best way to configure this notification?
Answer: C
Explanation:
A database administrator wanting to be notified in advance before any database clones are removed using a removal schedule can configure this directly within the NDB interface. The "Update Removal Schedule" feature includes an option labeled "Create an Alert Before Removal," which is pre-selected as non-optional by default but can be customized. Selecting this option generates an alert (e.g., via email or the NDB dashboard) prior to the scheduled clone removal, allowing the administrator to take action if needed. This is the most efficient and built-in method, avoiding the complexity of custom scripts or reports.
* Option A (Create a Playbook to create an alert based on the removal event) is incorrect because a Playbook is an advanced automation tool, not the simplest solution for this notification need.
* Option B (Select the Create an Alert Before Removal option) is correct as it is a native NDB feature designed for this purpose.
* Option C (Build a custom report in Prism to report on these events) is incorrect because Prism reports are for historical analysis, not real-time notifications.
* Option D (Configure SMTP alerts for all actions in NDB) is incorrect because configuring SMTP for all actions is overly broad and less targeted than the specific alert option.
This ensures timely notifications with minimal configuration.
References
* Nutanix Database Service (NDB) User Guide, Chapter 5: Configuring Time Machines, Section:
Managing Clone Removal Schedules
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 5: Protect Databases Using Time Machine
NEW QUESTION # 119
When running the Linux prerequisites script, an administrator discovers that the only required argument is -t.
What does the -t argument specify?
Answer: A
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) 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.
NEW QUESTION # 120
What must be configured in Prism Element to allow the NDB server and CVMs to facilitate iSCSI connections?
Answer: C
Explanation:
To enable iSCSI connections between the Nutanix Database Service (NDB) server, Controller VMs (CVMs), and Prism Element, a Data Services IP must be configured in Prism Element. The Data Services IP acts as a cluster-wide address that facilitates iSCSI target discovery and connectivity. It is used by Nutanix Volumes (a block storage service) to present storage to external clients or services, such as the NDB server, via the iSCSI protocol. This IP ensures that iSCSI traffic is routed correctly and remains available even if a CVM fails, as ownership of the Data Services IP can move to another CVM in the cluster.
Configuring the Data Services IP is a prerequisite for integrating NDB with a Nutanix cluster, as NDB relies on iSCSI to manage database storage operations like provisioning and cloning. Without this configuration, the NDB server cannot establish the necessary connections to the CVMs for database-related tasks. Options like Virtual IP, Secondary DNS IP, and Backplane IP are not relevant in this context:
Virtual IP: This is typically associated with high-availability setups for applications, not iSCSI connectivity.
Secondary DNS IP: This pertains to network resolution, not storage connectivity.
Backplane IP: This is an internal network IP for cluster communication, not for external iSCSI access.
Thus, the correct and verified answer is the Data Services IP.
Official Nutanix Database Automation References
Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.2: Configuring NDB Prerequisites.
Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Knowledge Objectives, Section 2:
Deploy and Configure an NDB Solution (applicable to v7.5 as foundational concepts remain consistent).
Nutanix Support & Insights Portal: "Configuring iSCSI Data Services IP for Nutanix Volumes" (general Volumes configuration applicable to NDB).
NEW QUESTION # 121
A request is received to refresh a database clone from a new manual snapshot. When the administrator attempts to create the new snapshot from the Time Machine, it is in a Frozen state.
What causes a Time Machine to enter the Frozen state and what are the administrator's options to complete the request?
Answer: C
Explanation:
A Time Machine is a core construct of the copy data management service in NDB that captures and manages the data of a database to deliver a recovery point objective (RPO) SLA. A Time Machine can enter a Frozen state for various reasons, such as database de-registration, snapshot or log catchup failures, or manual intervention. When a Time Machine is in a Frozen state, it stops taking new snapshots and log backups, and cannot perform any clone, refresh, or restore operations. To resume the normal operation of a Time Machine, it must be thawed by resolving the root cause of the freeze. One of the common causes of a Time Machine freeze is when the database is de-registered from NDB without removing the Time Machine. This can happen when the administrator wants to move the database to a different NDB instance or cluster, or when the database is accidentally de-registered. In this case, the Time Machine becomes orphaned and frozen, and cannot be used for any operations. To complete the request to refresh a database clone from a new manual snapshot, the administrator must first re-register the database in NDB using the same database name and ID as before. This will automatically thaw the Time Machine and resume its operation. The administrator can then create a new manual snapshot from the Time Machine and use it to refresh the database clone. The other options are not correct, as they either require unnecessary steps or do not address the root cause of the freeze. References:
Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Section 5 - Protect NDB-managed Databases Using Time Machine, Objective 5.1: Create, delete, and modify SLA retention policies Nutanix Database Management & Automation (NDMA) Course, Module 4: Nutanix Database Service (NDB) Data Protection, Lesson 4.1: Data Protection Overview, Topic: Time Machine Concepts Nutanix Support & Insights, TN-2101: Nutanix Database Service Time Machine Under the Hood, Section:
Time Machine States and Transitions
NEW QUESTION # 122
An administrator is setting up an NDB VM in a highly segmented environment in which only specific ports are allowed.
Before deploying the NDB VM, which two options identify ports that must be open to the Controller VMs (CVMs)? (Choose two.)
Answer: A,D
Explanation:
NDB requires management and storage connectivity to a registered Nutanix cluster. TCP 9440 carries Prism REST API communication between NDB components and the Nutanix cluster. TCP 3205 and 3260 support iSCSI redirection/data and standard iSCSI control traffic used when NDB attaches Volume Group disks.
Therefore, both option B and option D must be allowed through the segmented network. Port 443 is used for HTTPS communication in other NDB paths, but it is not the required Prism/CVM port represented by this question. Ports 1433 and 5432 are database listener ports for Microsoft SQL Server and PostgreSQL, respectively, rather than NDB-to-CVM infrastructure ports. The source answer "D" is incomplete; the verified answer is B and D. Nutanix port reference
NEW QUESTION # 123
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