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NCP-DB Fragenkatalog - NCP-DB PDF Testsoftware

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Die Nutanix NCP-DB Zertifizierungsprüfung ist sehr schwierig. Obwohl die Nutanix NCP-DB Prüfung sehr schwer ist, gibt es noch viele Prüfungsanmelder. Warum? Weil Nutanix NCP-DB Prüfung eine sehr wichtige Prüfung. Für ITer gibt es negativen Einfluss für die Arbeit. Diese Zertifizierung können Ihnen viele Vorteile bringen. Und es kann auch Ihnen erhöhte Chance schaffen. Zusammenfassend nehmen Nutanix NCP-DB Prüfung großen Einfluss auf Ihre Karriere. Wollen Sie diese so wichtige Prüfung ablegen?

Nutanix NCP-DB Prüfungsplan:

Thema
Einzelheiten

Thema 1

Describe NDB Concepts: It defines database and NDB terminology. The topic also explains benefits and features of NDB.

Thema 2

Monitor Alerts and Storage Usage Within an NDB Implementation: It is all about monitoring alerts and management of storage usage.

Thema 3

Operate and Maintain an NDB Environment: Application of procedural concepts to register database server, provision databases, and test and publish database patches. Additionally, the topic explains the right method to apply Linux OS patches. Lastly, it delves into databases and troubleshooting of NDB operations.

Thema 4

Administer an NDB Environment: While focusing on the administration of an NDB environment, this topic focuses on managing NDB profiles, applying procedural concepts, and managing networks in NDB. Lastly, the topic explains sub-topics of managing access controls in NDB and identifying how to use NDB APIs and CLI.

Thema 5

Protect NDB-managed Databases Using Time Machine: SLA retention policies, source databases, clones, protection of databases, and Data Access Management (DAM) policies are discussed in this topic.

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Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 NCP-DB Prüfungsfragen mit Lösungen (Q11-Q16):

11. Frage
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?

A. If the software profiles are not in use, NDB deletes all versions of the profiles from the metadata and protection domains.
B. If the database VMs using the software profiles are using Time Machines and have had a successful snapshot in the last 24 hours before the patch.
C. If the database VM using the software profiles are shutdown, NDB deletes all versions of the profiles from the metadata and protection domains.
D. If the database VMs are not using the base version of the software profile NDB deletes all versions of the profiles from the metadata and protection domains.

Antwort: A

Begründung:
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

12. Frage
An administrator is attempting to enable high availability (HA) for NDB across three Nutanix clusters located in separate data centers. If the network latency between two clusters exceeds 25ms RTT, what impact might this have on the NDB HA setup?

A. HA will operate with increased delay.
B. There will be no impact on HA functionality.
C. The clusters will not synchronize.
D. HA cannot be enabled due to the latency.

Antwort: D

Begründung:
NDB supports high availability (HA) across multiple Nutanix clusters, including those in separate data centers, by replicating data and ensuring failover capabilities. However, NDB imposes strict network latency requirements for HA. The official documentation specifies that the round-trip time (RTT) latency between clusters should not exceed 25ms for HA to function effectively. If the latency between two clusters exceeds this threshold (e.g., due to geographic distance or network issues), HA cannot be enabled, as the synchronization and failover mechanisms rely on low-latency communication to maintain consistency and performance.
Impact of other options:
* A. HA will operate with increased delay: While latency might cause delays, exceeding 25ms RTT prevents HA setup entirely, not just delays its operation.
* C. The clusters will not synchronize: Synchronization issues may occur as a symptom, but the primary impact is HA enablement failure.
* D. There will be no impact on HA functionality: This is incorrect, as latency beyond 25ms RTT violates HA prerequisites.
Thus, the verified answer is B, reflecting NDB's latency constraints for HA across clusters.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 4: High Availability and Disaster Recovery, Lesson 4.2: Configuring Multi-Cluster HA.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
4: Troubleshoot NDB Solutions, Objective 4.3: Configure HA Across Clusters (applicable to v6.10).
* Nutanix NDB Administration Guide: "High Availability Configuration Requirements" section, specifying latency limits.

13. Frage
In an Oracle upgrade scenario using Era. if the source database is on a nor-Nutanix platform, is it possible to upgrade it with an Era workflow?

A. Yes, it is possible to upgrade database instance on a non-Nutanix platform.
B. Yes, only if the nori-Nutanix platform is little-endian platform.
C. No, the database instaru:e must be Era managed to Be upgraded
D. Yes, only if the nan-Nutanix platform is big-endian platform,

Antwort: C

Begründung:
According to the Nutanix Database Automation (NCP-DB) learning documents, Nutanix Era is a database management tool that automates and simplifies database operations, including provisioning, patching, upgrading, and more1. However, for a database to be managed by Era, it must be registered with Era1. This means that if a database is on a non-Nutanix platform, it cannot be directly upgraded using an Era workflow. It must first be migrated to a Nutanix platform and registered with Era before it can be managed and upgraded using Era1.

14. Frage
What is the first step to install NDB on a Nutanix AHV cluster?

A. Run LCM update to get the latest version of NDB.
B. Open Prism Central and enable the NDB VM in the settings menu.
C. NDB is offered as a SaaS service and doesn't require any installations.
D. Download the QCOW2 image file of NDB and upload it to Prism Element.

Antwort: D

Begründung:
To install NDB on a Nutanix AHV cluster, you need to download the QCOW2 image file of NDB from the Nutanix Support Portal and upload it to Prism Element. This image file contains the NDB software and the CentOS operating system. After uploading the image, you need to create a VM from the image and configure the network settings. Then, you need to register the NDB VM with Prism Central and enable the NDB service in the settings menu. References: Nutanix Support & Insights, Professional Services: NDB Database Cloning

15. Frage
What are the three severity levels displayed under the Alert dashboard?

A. Failed, Warning, Error
B. Failed, Warning, Stopped
C. Critical. Waiting, Failed
D. Critical, Warning Info

Antwort: D

Begründung:
The Alerts dashboard in Nutanix displays alert messages with three severity levels: Critical, Warning, and Info1. These severity levels help users understand the importance and urgency of each alert, allowing them to prioritize their responses accordingly1.

16. Frage
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