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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 (Q215-Q220):
NEW QUESTION # 215
A NDB non-administrative user wants to provision an Oracle database leveraging a Software Profile that the administrator created. What must the administrator do to ensure that this user has access to the Oracle Software Profile?
Answer: D
Explanation:
To allow a non-administrative NDB user to provision an Oracle database using a Software Profile created by an administrator, the administrator must promote the Software Profile to Published. In NDB, Software Profiles define the database software version and configuration (e.g., Oracle binaries). By default, a newly created profile is in a draft or private state. Promoting it to "Published" makes it available for use by other NDB users, including non-administrative ones, within the access control framework. This ensures the profile is validated and accessible without requiring individual user assignments.
Other options are incorrect:
* A. Ensure that specified users have access to the Software Profile using Access Control: Access Control manages user permissions but does not make the profile available unless it is published.
* B. Replicate the Software Profile to other Nutanix clusters: Replication is for HA or disaster recovery, not user access.
* C. Ensure that the Software Profile has been properly versioned to the latest release of Oracle:
Versioning ensures compatibility but does not grant user access.
Thus, the verified answer is D, aligning with NDB's profile management workflow.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 3: Managing Database Instances, Lesson 3.1: Managing Software Profiles.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
3: Manage NDB Solutions, Objective 3.1: Configure Software Profiles (applicable to v6.10).
* Nutanix NDB Administration Guide: "Publishing Software Profiles" section.
NEW QUESTION # 216
An administrator must be able to restore databases based on very strict SLAs, but is facing multiple bottlenecks when storing log backups of databases on NDB Agents.
What can the administrator do to alleviate these issues?
Answer: C
Explanation:
NDB Agents handle log backups for database instances, but storing these backups locally can lead to bottlenecks (e.g., disk I/O, storage capacity). To alleviate this, integrating NDB with Nutanix Objects is the recommended solution. Nutanix Objects is an S3-compatible object storage service within the Nutanix ecosystem, ideal for offloading log backups from NDB Agents to a scalable, centralized storage platform.
This reduces local storage pressure, improves performance, and ensures strict SLAs for database recovery by leveraging efficient backup retrieval.
Other options are less effective:
* A: Integrating with AWS S3 or Azure Blob is possible but requires external connectivity and introduces latency, complexity, and cost compared to Nutanix Objects.
* B: Adding NDB Agent VMs increases management overhead and doesn't address the root storage bottleneck.
* D: Increasing RAM/CPU on NDB Agents may help processing but doesn't solve storage capacity or I
/O issues for log backups.
Thus, C is the verified answer, aligning with Nutanix's integrated ecosystem approach.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 5: Data Protection and Recovery, Lesson 5.3: Configuring Log Backup Storage.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
5: Protect Databases Using NDB, Objective 5.3: Configure Backup Storage Options (applicable to v6.
10).
* Nutanix NDB Administration Guide: "Integrating NDB with Nutanix Objects for Log Backups" section.
NEW QUESTION # 217
While using Time Machine (TM) to restore a source database, the option to restore data to Point in Time is not available. What should an administrator do to restore databases to Point in Time?
Answer: C
Explanation:
In Nutanix Database Service (NDB), the Time Machine (TM) feature allows restores, including Point-in-Time (PIT) restores, which require continuous log retention to replay transaction logs to a specific moment. If the option to restore data to a Point in Time is unavailable, it indicates that the current Time Machine Service Level Agreement (SLA) does not support continuous log retention. NDB SLAs are categorized (e.g., BRONZE, SILVER, GOLD), with BRONZE or higher levels required to enable PIT restore by including continuous log retention. The administrator must update the TM SLA to at least BRONZE to enable this feature, ensuring logs are retained for PIT operations.
* Option A (Restore Source DB using a snapshot) is incorrect because a snapshot-only restore does not support PIT; it restores to the snapshot time only.
* Option B (Update TM SLA to BRONZE or higher) is correct as it enables continuous log retention necessary for PIT restores.
* Option C (Create DB clone using a snapshot) is incorrect because cloning from a snapshot does not provide PIT capability without log retention.
* Option D (Update TM SLA to BRASS or lower) is incorrect because "BRASS" is not a valid SLA tier, and lowering the SLA would not enable PIT.
This adjustment ensures PIT restore functionality.
References
* Nutanix Database Service (NDB) User Guide, Chapter 5: Configuring Time Machines, Section:
Configuring SLAs for Point-in-Time Restore
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 5: Protect Databases Using Time Machine
NEW QUESTION # 218
An administrator needs to restore a source database from a snapshot. The database shares the source volume with multiple other databases.
How does NDB handle this database restore operation?
Answer: B
Explanation:
The correct answer is A because NDB handles the database restore operation by copying the specific database files from the snapshot volume to the source volume, without affecting the other databases that share the same source volume. NDB uses a copy-on-write mechanism to create snapshots and clones, which means that only the changes made to the database files are stored in the snapshot or clone volume, while the original files are kept in the source volume. Therefore, when restoring a source database from a snapshot, NDB only needs to copy the specific database files that have been modified since the snapshot was taken, and overwrite them on the source volume. The other options are not correct because they either cause data loss or unnecessary data transfer. Option B is not correct because replacing the source volume with specific db disks would erase the other databases that share the same source volume, which is not desirable. Option C is not correct because replacing the source volume with the snapshot volume would also erase the other databases that share the same source volume, as well as any changes made to the source database after the snapshot was taken, which is not desirable. Option D is not correct because copying all database files to the source volume wouldbe inefficient and unnecessary, as only the modified files need to be copied, and the other files are already present on the source volume. References: Nutanix Database Management & Automation (NDMA) course, Nutanix Certified Professional - Database Automation (NCP-DB) certification, Nutanix NCP-DB Certification Exam Syllabus and Study Guide, [Nutanix Support & Insights]
NEW QUESTION # 219
An administrator is adding a stretched VLAN in NDB.
Which VLAN type(s) will satisfy this task?
Answer: B
Explanation:
The administrator can add a stretched VLAN in NDB using either static or dynamic VLANs. A stretched VLAN is a VLAN that spans across multiple Nutanix clusters, and allows the NDB-managed databases to communicate and migrate between different clusters. A static VLAN is a VLAN that is manually configured and assigned to the database server VMs and the databases by the administrator. A dynamic VLAN is a VLAN that is automatically configured and assigned to the database server VMs and the databases by the NDB instance, using the Nutanix Calm orchestration service. Both static and dynamic VLANs can be used to create a stretched VLAN in NDB, as long as they have the same VLAN ID and network configuration across the clusters.
The administrator cannot add a stretched VLAN in NDB using only VLANs that are not managed in NDB. A VLAN that is not managed in NDB is a VLAN that is configured and assigned to the database server VMs and the databases outside of the NDB instance, using the Nutanix Prism web console or other tools. A VLAN that is not managed in NDB cannot be used to create a stretched VLAN in NDB, as it is not recognized or controlled by the NDB instance.
References:
* Nutanix Database Management & Automation Training Course, Module 4: Nutanix Era Configuration, Lesson 4.1: Nutanix Era Configuration, slide 8.
* Nutanix Database Management & Automation Training Course, Module 6: Nutanix Era Disaster Recovery, Lesson 6.1: Nutanix Era Disaster Recovery, slides 6-7.
NEW QUESTION # 220
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