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Nutanix NCP-DB 考試大綱：

主題
簡介

主題 1

• 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.

主題 2

• 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.

主題 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.

主題 4

• Deploy and Configure an NDB Solution: This topic discusses how to deploy, configure, and NDB Instance.

主題 5

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

 

>> NCP-DB題庫最新資訊 <<

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最新的 Nutanix Certified Professional (NCP) NCP-DB 免費考試真題 (Q174-Q179):

問題 #174
What happens to the primary member in a MongoDB Server Cluster during the NDB patching process?

• A. It is patched first and then becomes a secondary member.
• B. It becomes a read-only member during the patching process.
• C. It is patched last and is restored to its original state.
• D. It is skipped during the patching process to ensure no downtime.

答案：A

解題說明：
According to the NDB documentation, the NDB patching process for MongoDB Server Cluster follows these steps1:
* NDB identifies the primary member of the MongoDB Server Cluster and patches it first.
* NDB triggers a failover to elect a new primary member from the remaining secondary members.
* NDB patches the former primary member, which becomes a secondary member after the failover.
* NDB patches the remaining secondary members one by one.
* NDB verifies the patching status and the cluster health.
This process ensures that the MongoDB Server Cluster always has a primary member available to handle write operations, while minimizing the downtime and the impact on the cluster performance.
References: Nutanix Support & Insights, section "Patching a MongoDB Server Cluster"

 

問題 #175
An administrator wants to apply patches to the Microsoft SQL Server databases in an NDB environment.
What needs to be done in NDB to accomplish this?

• A. Create a new software profile version with the downloaded cumulative update from Microsoft, publish the updated software profile, then apply the update under the database VM Menu for each database server.
• B. Create a Maintenance window schedule and associate the SQL server with that maintenance window in the Database VM Menu.
• C. Apply the patch to the database VM, then create a new software profile version using that updated database VM as the source, publish the updated software profile then apply that patch under the database VM Menu for each database server.
• D. Apply the patch to the database VM then create a new software profile using that updated VM as the source.

答案：A

解題說明：
To apply patches to Microsoft SQL Server databases in an NDB environment, the administrator should follow a structured process:
* Create a new software profile version: Download the latest cumulative update (CU) or patch from Microsoft and use it to create a new version of the existing SQL Server Software Profile in NDB. This ensures the patch is integrated into NDB's management framework.
* Publish the updated software profile: Promote the new version to "Published" status, making it available for use across the environment.
* Apply the update: Navigate to the "Database VM Menu" for each database server, select the updated software profile, and apply the patch. This automates the patching process while maintaining database consistency and allowing rollback if needed.
Other options are incorrect or incomplete:
* A. Create a Maintenance window schedule and associate the SQL server with that maintenance window in the Database VM Menu: Maintenance windows manage downtime, not patch application for databases.
* B. Apply the patch to the database VM then create a new software profile using that updated VM as the source: This manual approach bypasses NDB's structured patching and lacks version control.
* C. Apply the patch to the database VM, then create a new software profile version using that updated database VM as the source, publish the updated software profile then apply that patch under the database VM Menu for each database server: This is overly complex and risky, as manually patching a VM first can lead to inconsistencies.
Thus, the verified answer is D, aligning with NDB's best practices for database patching.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 6: Maintenance and Patching, Lesson 6.2: Patching SQL Server Databases.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
6: Optimize NDB Solutions, Objective 6.3: Manage Maintenance Plans (applicable to v6.10).
* Nutanix NDB Administration Guide: "Patching Microsoft SQL Server" section.

 

問題 #176
An administrator has been asked to add a new Nutanix AHV cluster to the current single default container for DB provisioning.
Which configuration should be performed before enabling NDB multi-cluster?

• A. Configure datastore mapping within Prism Element Protection Domains.
• B. Enable High Availability for NDB service on the Administration page.
• C. Deploy Nutanix Self Service VM and use blueprints to allow NDB to deploy databases on multiple clusters.
• D. Add both clusters under Prism Central management and verify NDB is registered to the same Prism Central Instance. environment using a storage container as the

答案：D

解題說明：
To add a new Nutanix AHV cluster to the current single default container for database provisioning and enable NDB multi-cluster functionality, the administrator must ensure a unified management framework.
Nutanix Prism Central serves as the centralized management platform for multi-cluster environments, allowing NDB to manage multiple clusters (in this case, the existing cluster and the new AHV cluster) under a single instance. Before enabling multi-cluster support in NDB, both clusters must be registered with the same Prism Central instance, and NDB must be confirmed as registered to that instance. This ensures consistent policy enforcement, resource visibility, and database provisioning across clusters using the default container.
* Option A (Deploy Nutanix Self Service VM and use blueprints) is incorrect because Nutanix Self Service is an optional tool for end-user provisioning and not a prerequisite for multi-cluster enablement.
* Option B (Configure datastore mapping within Prism Element Protection Domains) is incorrect because datastore mapping is a lower-level configuration and not directly required for multi-cluster setup in NDB.
* Option C (Enable High Availability for NDB service on the Administration page) is incorrect because HA is a separate configuration for NDB resilience, not a prerequisite for multi-cluster support.
* Option D is correct as it aligns with NDB's requirement for Prism Central integration to manage multiple clusters effectively.
This configuration ensures seamless multi-cluster operation.
References
* Nutanix Database Service (NDB) User Guide, Chapter 3: Configuring an NDB Environment, Section:
Multi-Cluster Configuration
* Nutanix Prism Central Administration Guide, Section: Managing Multiple Clusters
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 3: Configure an NDB Environment

 

問題 #177
Which command can be used to assign a static IP address to the Era VM on ESXi?
set
era-server > era
era-server >
An administrator is trying to register an Oracle Database Server VM to Era.
Which dependency must be met?

• A. set path = /sbin:/bin:/usr/sbin:/usr/bin
• B. /TEMP folder must have read-only permissions
• C. Enable reQUIREetty setting on the source database
• D. SUDO NOPASS access is required

答案：D

解題說明：
To register an Oracle Database Server VM to Era in Nutanix Database Automation (NCP-DB), certain dependencies must be met. One of these is that SUDO NOPASS access is required1. This allows the Era service to perform necessary operations on the Oracle Database Server VM. As for assigning a static IP address to the Era VM on ESXi, you can use the vSphere Client to configure static IP settings2. However, this is not directly related to the registration of an Oracle Database Server VM to Era. Please note that these answers are based on the information available as of my last update in 2021 and may need to be verified with the most recent Nutanix Database Automation (NCP-DB) documentation or resources.

 

問題 #178
How would an administrator enter the NDB command line to change the static IP address on the NDB VM?

• A. cerebro_cli
• B. era-server
• C. arithmos cli
• D. era

答案：A

解題說明：
To change the static IP address on the NDB VM, an administrator would need to enter the NDB command line using the cerebro_cli command. The cerebro_cli command is used to access the Cerebro service, which is responsible for managing the NDB instance and its components. The cerebro_cli command can be run from the NDB VM or from any other VM that has network connectivity to the NDB VM. The cerebro_cli command has various subcommands and options to perform different tasks, such as changing the IP address, hostname, password, or certificate of the NDB VM. To change the static IP address, the administrator would need to use the cerebro_cli network update subcommand with the appropriate parameters, such as the new IP address, netmask, gateway, and DNS servers. The cerebro_cli network update subcommand also requires the administrator to provide the current password of the NDB VM for authentication. After changing the IP address, the administrator would need to restart the NDB VM for the changes to take effect. References:
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Section 2 - Deploy and Configure an NDB Solution, Objective 2.2: Configure an NDB Instance
* Nutanix Database Management & Automation (NDMA) Course, Module 3: Nutanix Database Service (NDB) Installation and Configuration, Lesson 3.2: Configuring NDB, Topic: Changing the IP Address of the NDB VM
* Nutanix Database Service (NDB) Command Line Interface Guide, Chapter 2: Cerebro CLI, Section:
cerebro_cli network update

 

問題 #179
......

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