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NEW QUESTION # 246
Which two network prerequisites are required to deploy an Era instance in production? (Choose two.)
Answer: A,D
Explanation:
* Option A: Nutanix Era requires network prerequisites like NTP, DNS servers, gateway, and subnet mask to be available and visible. These are essential for the proper functioning of the Era instance1.
* Option B: One static IP address must be available and can be changed using CLI after VM deployment. This is necessary for the Era VM to communicate with other components in the network1.
* Option C: While a storage container is necessary for Nutanix infrastructure, it is not a network prerequisite specifically for deploying an Era instance.
* Option D: An SMTP server and details are typically used for sending notifications, but they are not a network prerequisite for deploying an Era instance. They are more related to the operational aspect post-deployment.
NEW QUESTION # 247
An administrator needs to replace the default Nutanix self-signed certificates in Era.
Which SSL Certificate file format is supported?
Answer: D
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, Nutanix Era supports x509 certificates in Base-64 encoded PEM format1. This format is used when an administrator needs to replace the default Nutanix self-signed certificates in Era1.
NEW QUESTION # 248
An administrator needs to restore databases provisioned with a shared disk configuration on Windows Storage Spaces What happens when NDB runs the restore operation?
Answer: B
Explanation:
When an administrator needs to restore databases provisioned with a shared disk configuration on Windows Storage Spaces in Nutanix Database Service (NDB), the restore operation focuses on the disks associated with the database. Windows Storage Spaces provides a virtualized storage layer, and NDB manages the restoration by reverting or recovering the specific disks that host the database files and logs. This ensures that the database is restored to its previous state using the snapshot or backup data, while preserving the shared disk configuration integrity. NDB does not replace the source volume or perform additional operations like tail log backups unless explicitly configured.
* Option A (NDB restores the disk that are associated with the database) is correct as it accurately describes NDB's restore behavior for shared disk setups.
* Option B (NDB copies the DB files to be restored to the source volume) is incorrect because NDB restores the entire disk state, not just copying files to the source.
* Option C (NDB replaces the source volume with the snapshot volume) is incorrect because NDB restores data to the existing volume, not replacing it entirely.
* Option D (NDB performs Tail Log backup to backup any remaining logs) is incorrect because tail log backups are not automatically part of the restore process unless specified for point-in-time recovery.
This approach ensures compatibility with Windows Storage Spaces configurations.
References
* Nutanix Database Service (NDB) User Guide, Chapter 5: Configuring Time Machines, Section:
Restoring Databases with Shared Disks
* Nutanix Support & Insights, Knowledge Base Article: "Restoring Windows Storage Spaces in NDB"
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 5: Protect Databases Using Time Machine
NEW QUESTION # 249
An administrator needs the ability to clone a source database to a point in time.
What is the lowest log frequency in minutes that can be configured in the Era IJI for log catchup operation?
Answer: C
Explanation:
The log frequency in the Era IJI for log catchup operation can be configured to as low as 5 minutes. This allows the system to capture changes to the database at a high frequency, enabling more precise point-in-time recovery options. However, it's important to note that a higher frequency of log catchup operations can lead to increased system load. Therefore, the optimal frequency may vary depending on the specific requirements and capabilities of your system12. Please refer to the Nutanix Database Automation (NCP-DB) Learning documents for more detailed information.
NEW QUESTION # 250
An administrator needs to patch a PostgreSQL database server VM from version 13.4 to 13.8.
What is the first step within the NDB patching workflow to accomplish this task?
Answer: D
Explanation:
NDB supports patching for PostgreSQL database instances. Patching for PostgreSQL is validated on VMs provisioned by NDB (greenfield deployments). To patch PostgreSQL database server VMs, you must create a software profile version by uploading the PostgreSQL update file in NDB. You can then use the PostgreSQL update to patch other database server VMs or provision a new database server VM with the updated software profile. The first step in the NDB patching workflow is to create a software profile version with the desired PostgreSQL version.
References:
* Nutanix Database Automation (NCP-DB) Course Details, Section 4.1: NDB Patching Overview
* Nutanix Database Automation (NCP-DB) Certification Details, Objective 4.1: Perform Database Patching
* Nutanix Database Automation (NCP-DB) YouTube Playlist, Video 4.1: NDB Patching Overview
* Nutanix Database Automation (NCP-DB) User Guide, Section 4.4: Patch PostgreSQL Database Software
NEW QUESTION # 251
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