An administrator has noticed that the automatic snapshot and log catch-up (automatic and manual) activities for a Time Machine are halted and manual snapshots cannot be created. What status is this Time Machine in?
Correct Answer: C
In NDB, a Time Machine manages snapshots and log catch-up operations for database protection and recovery. The scenario describes a Time Machine where automatic snapshot and log catch-up activities (both automatic and manual) are halted, and manual snapshots cannot be created. This indicates the Time Machine is in a PAUSED state. In NDB, the Time Machine states are: * FROZEN: A temporary state during specific operations (e.g., cloning), but it doesn't halt all activities permanently. * OFFLINE: Indicates the Time Machine is unavailable or not operational, often due to connectivity or configuration issues, but this typically prevents access rather than just halting operations. * PAUSED: Explicitly stops all scheduled and manual snapshot/log activities, often manually triggered by an administrator or due to an error condition (e.g., resource constraints). Operations resume when unpaused. * READY: The normal operational state where snapshots and log catch-ups occur as scheduled. Given the inability to create manual snapshots alongside halted automatic operations, PAUSED is the most fitting status, as it reflects an intentional or enforced suspension of activities. Official Nutanix Database Automation References * Nutanix Database Management & Automation (NDMA) course, Module 5: Data Protection and Recovery, Lesson 5.2: Managing Time Machines. * Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section 5: Protect Databases Using NDB, Objective 5.2: Manage Time Machine States (applicable to v6.10). * Nutanix NDB Administration Guide: "Time Machine Statuses and Operations" section.
Question 12
An administrator has applied an Oracle security patch to a database server VM registered in Era. How do you make this change available to other existing database instances?
Correct Answer: D
Nutanix Database Service (NDB) uses software profiles for database patching to keep your databases secure and optimized1. When a new database is provisioned, it will be on your current environment's database version to maintain consistency and stop version sprawl1. Therefore, after an administrator has applied an Oracle security patch to a database server VM registered in Era, the change can be made available to other existing database instances by creating a new software profile in Era from the patched VM1.
Question 13
An administrator needs to maintain five days of time-travel capability to any second, plus an additional seven days of discrete recovery at a daily interval. How should the administrator define the Frequency and retention on the SLA?
Correct Answer: D
The correct answer is D because it meets the requirements of maintaining five days of time-travel capability to any second and an additional seven days of discrete recovery at a daily interval. Continuous log retention allows the administrator to restore the database to any point in time within the specified number of days, while snapshot retention allows the administrator to restore the database to a specific point in time at a fixed interval. Therefore, by setting the daily snapshot retention to 7 days, the administrator can ensure that there is a discrete recovery point for each day of the week. By setting the continuous log retention to 5 days, the administrator can ensure that there is a time-travel capability to any second within the last five days. The other options do not meet the requirements because they either have less than five days of continuous log retention or less than seven days of snapshot retention. 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 Certified Professional - Database Automation (NCP-DB) datasheet
Question 14
What does a Time Machine frozen status indicate?
Correct Answer: B
A Time Machine frozen status indicates that the database that was associated with the Time Machine has been de-registered from NDB, but the Time Machine itself has not been deleted. This means that the Time Machine still contains the snapshots and logs of the de-registered database, but it cannot perform any further operations on it. To resume the normal functioning of the Time Machine, the administrator can either re-register the database with NDB, or delete the Time Machine and free up the storage space. References: Nutanix Support & Insights, section "Resolving All Alerts for a Time Machine"
Question 15
In order to configure and begin taking advantage of the Data Access Management feature of Time Machine, which action should an administrator take first?
Correct Answer: B
To configure and begin taking advantage of the Data Access Management feature of Time Machine, the administrator must first enable NDB multi-cluster and register the required Nutanix cluster(s). Data Access Management allows controlled access to data (e.g., snapshots, clones) across multiple clusters, requiring a multi-cluster setup. This involves enabling multi-cluster support in NDB and registering remote clusters to facilitate data replication and access policies. Other actions are prerequisites or subsequent steps: * A. Enable NDB HA to protect the metadata associated with the configuration: HA is beneficial but not the first step for Data Access Management. * C. Take an application consistent snapshot of the source database: This is a later step after multi- cluster setup. * D. Ensure that the source database has been provisioned on the remote Nutanix cluster: Provisioning follows multi-cluster registration. Thus, the verified answer is B, establishing the multi-cluster foundation. Official Nutanix Database Automation References * Nutanix Database Management & Automation (NDMA) course, Module 5: Data Protection and Recovery, Lesson 5.3: Configuring Data Access Management. * Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section 5: Protect Databases Using NDB, Objective 5.3: Configure Data Access (applicable to v6.10). * Nutanix NDB Administration Guide: "Data Access Management Setup" section.
