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| Section | Weight | Objectives |
|---|---|---|
| Operate and Maintain an NDB Environment | 25% | - Provision and manage databases - Register database servers and databases - Apply patches and upgrades - Troubleshoot NDB operations |
| Administer an NDB Environment | 15% | - Integrate with Nutanix clusters - Manage profiles and configurations - Upgrade NDB software |
| Deploy and Configure an NDB Solution | 20% | - Configure NDB settings and integration - Deploy NDB components |
| Describe NDB Concepts | 10% | - Describe NDB features and benefits - Define database and NDB terminology |
| Protect NDB-managed Databases Using Time Machine | 15% | - Create, restore, and refresh clones - Manage SLA and retention policies - Implement data protection and access control |
| Monitor Alerts and Storage Usage Within an NDB Implementation | 15% | - Monitor alerts and notifications - Monitor and manage storage consumption |
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NEW QUESTION # 122
Which ports must be open between the NDB server and Controller VMs to facilitate iSCSI connections?
Answer: B
Explanation:
According to the Nutanix Database Automation (NCP-DB) course, the ports 3205 and 3260 are required for iSCSI connections between the NDB server and the Controller VMs1. Port 3205 is used for the NDB iSCSI initiator service, which initiates the iSCSI sessions and sends SCSI commands to the Controller VMs1. Port
3260 is used for the iSCSI target service, which listens for incoming iSCSI requests and provides access to the storage devices on the Controller VMs1. The other options are not related to iSCSI connections. Port 22 is used for SSH, port 9440 is used for Prism Central, port 80 is used for HTTP, port 443 is used for HTTPS, port
5985 is used for WinRM HTTP, and port 5986 is used for WinRM HTTPS2. References:
1: Nutanix Database Automation (NCP-DB) course, Module 2: Database Provisioning, Lesson 2.2: Database Engine Installation, slide 13
2: Nutanix NCP-DB Certification Exam Sample Questions, Question 18, Answer
NEW QUESTION # 123
A new administrator is tasked with changing the NDB GUI password via CLl.
Which command will accomplish this task?
Answer: B
Explanation:
To change the NDB GUI password via the CLI, the administrator should use the command era-server > security password reset. This command interacts with the NDB server (referred to as era-server in the CLI context) to reset the password for the GUI admin user. The process typically prompts for the new password and confirmation, ensuring secure password management. This is the supported method for CLI-based password changes in NDB.
Other options are incorrect:
A). sudo passwd era: The passwd command is for Linux user accounts, not NDB-specific GUI credentials.
B). sudo user name admin password: This is not a valid command syntax for NDB CLI.
C). era-server > username admin password: This lacks the correct subcommand (security password reset) and syntax.
Thus, the verified answer is D, aligning with NDB's CLI security management.
Official Nutanix Database Automation References
Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.6: Managing NDB via CLI.
Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Knowledge Objectives, Section 2:
Deploy and Configure an NDB Solution, Objective 2.5: Manage NDB Security (applicable to v7.5).
Nutanix NDB Administration Guide: "Changing GUI Password via CLI" section, detailing era-server commands.
NEW QUESTION # 124
An administrator needs to add multiple databases to an existing PostgreSQL instance.
How should the administrator satisfy this requirement?
Answer: D
Explanation:
To add multiple databases to an existing PostgreSQL instance managed by NDB, the administrator should use the NDB graphical user interface (GUI). The GUI provides a user-friendly way to modify the parameter profile associated with the PostgreSQL instance, allowing the addition of new databases by adjusting settings such as database names, sizes, or configurations. This process typically involves navigating to the "Databases" or "Instances" section, selecting the PostgreSQL instance, and editing the parameter profile to include additional databases.
Other options are less appropriate:
* A. Modify parameter profile using ncli: The ncli (Nutanix Command Line Interface) is used for cluster-level management in Prism, not for NDB database configuration.
* C. Modify parameter profile using post script: Post-scripts are used for custom actions post- provisioning, not for modifying parameter profiles to add databases.
* D. Modify parameter profile using NDB CLI: While NDB has a CLI, the GUI is the recommended and supported method for such configuration changes, offering a guided workflow and validation.
Thus, the verified answer is B, leveraging the NDB GUI for ease and compliance with best practices.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 3: Managing Database Instances, Lesson 3.4: Modifying Database Configurations.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
3: Manage NDB Solutions, Objective 3.3: Modify Parameter Profiles (applicable to v6.10).
* Nutanix NDB Administration Guide: "Managing PostgreSQL Instances" section, detailing GUI-based modifications.
NEW QUESTION # 125
Which two processes should an administrator take to create a software profile version for a newly-released Oracle ISc patch? (Choose two.)
Answer: B,D
Explanation:
To create a software profile version for a newly-released Oracle ISc patch, an administrator should follow these steps:
* Download the required patch from MyOracle Support1. This is because Oracle patches are typically available from MyOracle Support, not Microsoft Support.
* Apply the patch to the Oracle Home/Grid Home on a cloned VM of the gold image using OPatchAuto1.
OPatchAuto is a utility provided by Oracle that automates the process of applying patches to a database.
* Ensure success of patch application1. It's important to verify that the patch has been applied successfully to avoid any issues down the line.
* Create a new software profile version from the original software profile using the cloned VM where OPatchAuto was run successfully using Era GUI1. This step is necessary to ensure that the new patch is included in the software profile.
* Mark the original patch profile as hidden1. This step is optional but can be useful for keeping the software profile clean and organized.
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.
NEW QUESTION # 126
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?
Answer: C
Explanation:
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
NEW QUESTION # 127
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