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質問 # 78
An administrator has successfully deployed an NDB appliance and wants to provision MongoDB databases.
Which task must be completed first?
正解：D
解説：
NDB provisions MongoDB by using standardized profiles that define the database software, network, compute, and database parameters. For MongoDB, Oracle, and SQL Server, Nutanix requires a Software Profile before a new database can be provisioned. The profile supplies the validated MongoDB binaries and configuration baseline that NDB uses to construct the database server VM and install the database engine.
Database Parameter Profiles can refine runtime settings, but they do not replace the required software source.
A Time Machine policy becomes relevant after provisioning when protection is configured, while database patches are incorporated through Software Profile versions rather than uploaded as the first provisioning step.
Therefore, creating the Software Profile is the required first task. Nutanix NDB Profiles documentation
質問 # 79
An administrator receives a report that the NDB environment is approaching its storage-capacity limits. The administrator needs to identify which databases and associated entities consume the most storage.
Where should the administrator look first?
正解：A
解説：
The administrator should begin with the NDB dashboard because its Storage Usage information provides a consolidated view of capacity consumed by registered clusters and NDB-managed entities. The dashboard distinguishes consumption associated with source databases, clones, and Time Machines, making it the fastest location for identifying the largest storage consumers before investigating an individual entity. Database Server Details focuses on a selected server and does not provide the same environment-wide comparison.
Time Machine Properties applies only to a particular protection entity, while Software Profile Management concerns database software images and versions rather than database storage consumption. NDB also records historical storage information, enabling administrators to assess trends and determine whether capacity pressure is increasing. Nutanix's official NDB Dashboard documentation confirms that the Storage Usage view reports consumption for data sources, clones, Time Machines, and registered Nutanix clusters.
質問 # 80
Refer to the exhibit.
An administrator attempts to provision their first clustered database environment with NDB. The operation fails with the Operation Error shown in the exhibit.
Which database engine was being deployed during this operation?
正解：A
解説：
The error message in the exhibit indicates that the operation failed during the "Create and Register Database Server VMs" step because "Provisioning of all the observers simultaneously took more than two hours." This type of error is associated with MySQL, as it involves observers which are a part of MySQL Group Replication, used for ensuring high availability1. The other options are not related to the error message, as they do not use observers or Group Replication for clustering. References:
* 1: Nutanix Database Automation (NCP-DB) course, Module 5: Database High Availability, Lesson 5.2:
MySQL Group Replication, slide 7
質問 # 81
In order to configure and begin taking advantage of the Data Access Management feature of Time Machine, which action should an administrator take first?
正解：B
解説：
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) v7.5Knowledge Objectives, Section 5:
Protect Databases Using NDB, Objective 5.3: Configure Data Access (applicable to v7.5).
Nutanix NDB Administration Guide: "Data Access Management Setup" section.
質問 # 82
Before registering a database server VM to NDB, what should an administrator use to verify all required software and configuration dependencies?
正解：B
解説：
Before registering a database server VM to NDB, an administrator must verify that all required software (e.g., database engine, OS dependencies) and configuration settings (e.g., WinRM for Windows, SSH for Linux) are in place. NDB provides a prerequisites script, which can be run on the target VM to check these dependencies automatically. This script ensures compatibility and readiness, reducing registration failures.
Option A (LCM - Lifecycle Manager) is incorrect because LCM is used for cluster upgrades, not VM prerequisite checks.
Option B (Upgrade Software) is incorrect as it applies to updating existing software, not initial dependency verification.
Option C (Prerequisites script) is correct as it is the designated tool for pre-registration validation.
Option D (NCC - Nutanix Cluster Check) is incorrect because NCC checks cluster health, not VM-specific software dependencies.
References
Nutanix Database Service (NDB) User Guide, Chapter 2: Deploying and Configuring an NDB Solution, Section: Preparing Database Server VMs Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Blueprint, Section 2: Deploy and Configure an NDB Solution
質問 # 83
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Nutanix NCP-DB試験のAPPテストエンジンは、ほとんどの認定候補者がファッションであり、この新しい学習方法に簡単に適応できるため、少なくとも60％の受験者に人気があります。 NCP-DB試験のAPPテストエンジンは、いつでもどこでも使用できると考える人がいます。 また、候補者の一部は、このバージョンでは実際のテストで実際のシーンをシミュレートできると考えています。 ブラウザを開くことができれば、学ぶことができます。 また、オフラインで学習したい場合は、NCP-DB試験のAPPテストエンジンをダウンロードしてインストールした後、キャッシュをクリアしないでください。
NCP-DB復習攻略問題: https://www.tech4exam.com/NCP-DB-pass-shiken.html
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