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NCP-DB準備資料は、資格認定の優れた支援者となります。 一度だけ試験をクリアできるように、世界中で高品質な認定NCP-DB学習ガイドを提供することに集中しています。 NCP-DB信頼性の高い試験ブートキャンプ資料には、PDFバージョン、ソフトテストエンジン、APPテストエンジンの3つの形式が含まれているため、当社の製品はさまざまな受験者の習慣を満たし、実際のNCP-DBテストのほぼ完全な質問と回答をカバーします。
質問 # 123
An administrator has been tasked with restoring an Oracle database that has recently failed. The administrator must restore the database to the prior day's state.
Which two restore options could be used? (Choose two.)
正解：C、D
解説：
The correct answer is B and D because they are the two restore options that can be used to restore an Oracle database to the prior day's state using Nutanix Era. A snapshot is a point-in-time copy of a database that is stored in the Era Time Machine, which is a distributed file system that collects logs and snapshots from databases. A point in time is a specific moment in time within the retention period of the SLA policy that is applied to the database. By using either of these options, the administrator can select the snapshot or the point in time that corresponds to the prior day's state and restore the database from it. The other options are not correct because they are not restore options that are available in Nutanix Era. Option A is not correct because Most Recent Time Available is not a restore option, but a clone option that creates a clone of the database from the most recent snapshot or log backup. Option C is not correct because Tail Logs Backup is not a restore option, but a backup option that captures thetransaction logs of the database that have not been backed up by the SLA policy. 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 Database Services: Database modernization with Era - Now available]
質問 # 124
Which two ports can be used by external applications to make API calls to Era? (Choose two.)
正解：A、B
解説：
Nutanix Era is a database management system that provides API endpoints for automation and integration with external applications. These API calls are typically made over HTTPS for security, and the standard ports for HTTPS are 443 and 94401. Please note that the actual ports used can depend on the specific configuration of the Nutanix Era system. It's always a good idea to check the system's documentation or consult with the system administrator for the most accurate information.
質問 # 125
When the NDB upgrade includes updates to the out-of-the-box (OOB) software profiles, what happens to older OOB software profile versions when upgrading NDB?
正解：D
解説：
When upgrading NDB and the upgrade includes updates to out-of-the-box (OOB) software profiles (e.g., predefined profiles for database software like PostgreSQL, SQL Server, etc.), NDB manages older versions of these profiles based on their usage. If the older OOB software profiles are not actively in use by any database VMs, NDB automatically deletes all versions of those profiles from its metadata and associated protection domains during the upgrade process. This cleanup mechanism helps maintain a lean and efficient system by removing obsolete profiles that are no longer relevant or required.
* Option A is incorrect because the condition about Time Machines and snapshots in the last 24 hours is not a documented criterion for profile deletion during an NDB upgrade.
* Option B is correct as it reflects NDB's behavior of removing unused OOB software profiles during upgrades to optimize resource usage and metadata.
* Option C is incorrect because shutting down database VMs does not trigger automatic deletion of software profiles; the key factor is whether the profiles are in use.
* Option D is incorrect because the concept of a "base version" is not relevant here; deletion depends solely on whether the profiles are unused, not on versioning specifics.
This behavior ensures that only active and necessary profiles persist post-upgrade, streamlining administration.
References
* Nutanix Database Service (NDB) User Guide, Chapter 6: Upgrading NDB, Section: Handling Software Profile Updates
* Nutanix Support & Insights, Technical Note: "NDB Upgrade Process and Software Profile Management"
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 6: Administer an NDB Environment
質問 # 126
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?
正解：A
解説：
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
質問 # 127
An administrator needs to work with databases and time machines, but not database parameter profiles. Which role satisfies this requirement?
正解：B
解説：
In the Nutanix Database Automation (NCP-DB) framework, the role that allows an administrator to work with databases and time machines, but not database parameter profiles, is the Database Administrator (DBA)123.
This role provides the necessary permissions to manage databases and time machines, which are essential components of the Nutanix Era solution. However, it does not grant access to database parameter profiles, which are typically managed by other roles45.
質問 # 128
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