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NEW QUESTION # 304
What minimum account access level is required in Prism Element to deploy NDB?
Answer: C
Explanation:
To deploy Nutanix Database Service (NDB) in Prism Element, the minimum account access level required is Cluster Administrator. This role provides the necessary permissions to manage cluster resources (e.g., storage, networking, and VMs) required for NDB deployment, including registering the cluster with NDB, configuring storage containers, and deploying NDB components. Lower roles like Viewer or Backup Administrator lack the scope to perform these tasks, and User Administrator is focused on user management, not deployment.
Other options are insufficient:
A). User Administrator: Manages users and roles, not cluster operations.
C). Viewer: Read-only access, inadequate for deployment.
D). Backup Administrator: Limited to backup tasks, not deployment.
Thus, the verified answer is B, aligning with NDB deployment prerequisites.
Official Nutanix Database Automation References
Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.3: Registering a Nutanix Cluster.
Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Knowledge Objectives, Section 2:
Deploy and Configure an NDB Solution, Objective 2.2: Register a Nutanix Cluster (applicable to v7.5).
Nutanix NDB Installation Guide: "Prism Element Role Requirements" section.
NEW QUESTION # 305
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?
Answer: A
Explanation:
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.
NEW QUESTION # 306
How can HA drivers for a Database VM be upgraded?
Answer: D
Explanation:
HA drivers are software components that enable high availability features for database VMs, such as failover, fencing, and heartbeat. HA drivers can be upgraded using the Life Cycle Management (LCM) feature of Nutanix Prism. LCM can detect the available updates for HA drivers and apply them to the database VMs in a non-disruptive manner. LCM can also perform health checks and pre-upgrade validations to ensure the successful completion of the upgrade process. One-click software upgrade is a feature of Nutanix Era that allows you to upgrade the Era software itself, not the HA drivers. Database VM OS patching is a feature of Nutanix Era that allows you to patch the operating system of the database VMs, not the HA drivers. Database software patching is a feature of Nutanix Era that allows you to patch the database software of the database VMs, not the HA drivers. References:
Nutanix Database Management & Automation Training Course, Module 2: Deploying and Configuring an NDB Solution, Lesson 3: Configuring NDB High Availability, Slide 9: HA Driver Upgrade Nutanix Certified Professional - Database Automation (NCP-DB) 5 Exam, Section 4: Operate and Maintain an NDB Environment, Objective 4.4: Upgrade databases
NEW QUESTION # 307
An administrator needs to perform LCM upgrades on an AHV cluster registered with NDB. The cluster hosts NDB-provisioned database server VMs that are part of a database server cluster.
What should the administrator do to allow the DB Server VMs to stay available while the cluster is being upgraded?
Answer: B
Explanation:
The correct answer is B because setting VM-Host affinity ensures that the DB Server VMs are not migrated to another host during the LCM upgrade process. This way, the DB Server VMs can continue to serve the database requests without interruption. Option A is incorrect because updating the Nutanix cluster does not prevent the DB Server VMs from being moved to another host. Option C is incorrect because removing the Nutanix cluster from NDB will make the DB Server VMs unmanaged by NDB and lose the benefits of NDB features. Option D is incorrect because unsetting VM-Host affinity will allow the DB Server VMs to be migrated to another host during the LCM upgrade process, which may cause downtime or performance degradation.
The following sources provide more information about the LCM upgrades and VM-Host affinity in NDB:
Nutanix Database Management & Automation (NDMA) course, Module 6: Administering an NDB Environment, Lesson 6.3: Performing NDB Software Upgrades Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Knowledge Objectives, Section 6 - Administer an NDB Environment Nutanix Database Service (NDB) User Guide, Chapter 8: Administering an NDB Environment, Section 8.3:
Performing NDB Software Upgrades
Nutanix Support & Insights, Your guide to the Upgrades, LCM Design
Nutanix Life Cycle Manager Guide, Chapter 3: Upgrading Software and Firmware, Section 3.2: Preparing for an Upgrade, VM-Host Affinity
NEW QUESTION # 308
An administrator needs to provision a PostgreSQL cluster instance with an external Load Balancer. Which software can be omitted on the Reference VM while creating the Software Profile?
Answer: B
Explanation:
When provisioning a PostgreSQL cluster instance with an external load balancer in NDB, the administrator creates a software profile from a reference VM. The reference VM typically includes software like Patroni (for HA management), HAProxy (for internal load balancing), keepalived (for high availability IP management), and etcd (for distributed configuration). Since an external load balancer is used, the internal HAProxy can be omitted from the reference VM. NDB will rely on the external load balancer to distribute traffic, eliminating the need for HAProxy in the software profile, while the other components remain essential for cluster management.
* Option A (Patroni) is incorrect because Patroni is required for PostgreSQL HA management.
* Option B (HAProxy) is correct as it can be omitted when an external load balancer is configured.
* Option C (keepalived) is incorrect because keepalived is needed for HA IP failover.
* Option D (etcd) is incorrect because etcd is necessary for distributed configuration in the cluster.
This adjustment streamlines the profile for external load balancer use.
References
* Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Software Profiles, Section:
Creating Software Profiles for HA Instances
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 4: Manage Database Software Profiles
NEW QUESTION # 309
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