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NEW QUESTION # 85
Which statement is true regarding the NDB alert retention feature?
Answer: D
Explanation:
The NDB alert retention feature allows the database administrator to configure the duration for which the NDB alerts are stored and displayed in the NDB instance. The NDB alert retention feature supports alert retention globally, meaning that the same retention period applies to all the alerts generated by the NDB instance, regardless of the source cluster, policy, or operation. The database administrator can set the alert retention period from 1 day to 365 days, or choose to retain the alerts indefinitely. The NDB alert retention feature helps to manage the storage space and the visibility of the NDB alerts.
The NDB alert retention feature does not support retention at the individual policy, grouped policy, or registered cluster level. The NDB alert retention feature applies to all the alerts uniformly, and does not allow the database administrator to specify different retention periods for different policies or clusters.
References:
* Nutanix Database Management & Automation Training Course, Module 3: Nutanix Era Deployment, Lesson 3.2: Nutanix Era Deployment, slide 11.
* Nutanix Database Management & Automation Training Course, Module 5: Nutanix Era Operations, Lesson 5.1: Nutanix Era Operations, slide 6.
NEW QUESTION # 86
Which Time Machine feature allows developers to automate the data refresh for their clones?
Answer: A
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, the Schedule feature of the Time Machine allows developers to automate the data refresh for their clones1. This feature eliminates the time-consuming, complex process of database clone/refresh, allowing admins to create database clones/refresh to any point in time in just a few minutes1. Please refer to the official Nutanix documentation and training materials for more detailed information2.
NEW QUESTION # 87
An administrator created a database clone that is scheduled for removal on the last day of the month.
A request has been received to keep the clone for an additional 14 days.
After selecting the desired clone, how should the administrator satisfy this task?
Answer: B
Explanation:
The Removal schedule is a feature of Nutanix Era that allows you to specify when a database clone will be automatically deleted. You can modify the Removal schedule of an existing clone by selecting the clone from the Clones page, clicking on the Update button, and changing the Removal schedule option to the desired date.
This way, you can extend or shorten the lifespan of a clone as per your requirements. You do not need to remove the existing Removal schedule and add a new one, as this would be an unnecessary step. You also do not need to update the Removal schedule to the end of the month, as this would not meet the request of keeping the clone for an additional 14 days. References:
* Nutanix Database Management & Automation Training Course, Module 4: Protecting Databases Using Time Machine, Lesson 3: Cloning Databases, Slide 10: Clone Removal Schedule
* Nutanix Certified Professional - Database Automation (NCP-DB) 5 Exam, Section 5: Protect NDB-managed Databases Using Time Machine, Objective 5.3: Given business requirements, perform a database clone
NEW QUESTION # 88
An NDB administrator would like to configure a database with a Time Machine protection mode that includes the Log Catchup operation.
What would be the most essential component to make such a configuration possible?
Answer: D
Explanation:
To configure a database with a Time Machine protection mode that includes the Log Catchup operation in NDB, the most essential component is a Service Level Agreement (SLA) that supports continuous log retention. The Log Catchup operation enables point-in-time recovery (PITR) by replaying transaction logs from a specified point, ensuring minimal data loss and meeting Recovery Point Objective (RPO) requirements. This functionality depends on the Time Machine being configured with an SLA that includes the "Continuous Log Retention" option, which ensures transaction logs are captured and retained continuously alongside snapshots.
* Option A is incorrect because a daily snapshot alone is insufficient without log retention to enable Log Catchup.
* Option B is incorrect because an SLA retention schedule for daily snapshots does not inherently include continuous log capture, which is required for Log Catchup.
* Option C is correct as it specifies the Continuous Log Retention option, the critical feature for enabling Log Catchup in a Time Machine SLA.
* Option D is incorrect because while frequency settings are important, they are secondary to selecting an SLA with continuous log retention as the foundational requirement.
This configuration ensures robust data protection and recovery capabilities tailored to the database's needs.
References
* Nutanix Database Service (NDB) User Guide, Chapter 5: Configuring Time Machines, Section: Setting Up SLAs with Log Catchup
* Nutanix Support & Insights, Knowledge Base Article: "Configuring Time Machine with Log Catchup in NDB"
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 5: Protect Databases Using Time Machine
NEW QUESTION # 89
An administrator needs to roll back an Oracle patch on a database server VM using NDB. What is required for this action to be successful?
Answer: A
Explanation:
To roll back an Oracle patch on a database server VM using NDB, the patch must have been applied using NDB in the first place. This is because NDB maintains a patch inventory and history for each database server VM and database that it manages. NDB uses this information to determine which patches can be rolled back and how to revert the changes made by the patch. If the patch was applied outside of NDB, NDB would not have the patch information and would not be able to roll back the patch. Therefore, the patch must have been applied using NDB for the rollback action to be successful. The other options are not required for the rollback action. The database does not need to be shut down or in read-only mode, as NDB can perform the rollback operation online. The patch does not need to be applied on Grid home only, as NDB can roll back patches applied on both Grid home and Database home. References:
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Section 4 - Operate and Maintain an NDB Environment, Objective 4.4: Determine the correct method to apply Linux OS patches
* Nutanix Database Management & Automation (NDMA) Course, Module 5: Nutanix Database Service (NDB) Patching, Lesson 5.1: Patching Overview, Topic: Patching Concepts
* [Nutanix Database Service (NDB) User Guide], Chapter 7: Patching, Section: Rolling Back a Patch
NEW QUESTION # 90
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