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NEW QUESTION # 53
An administrator needs to replace the default Nutanix self-signed certificates in Era.
Which SSL Certificate file format is supported?
Answer: C
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, Nutanix Era supports x509 certificates in Base-64 encoded PEM format1. This format is used when an administrator needs to replace the default Nutanix self-signed certificates in Era1.
NEW QUESTION # 54
All API Server VMs in an NDB High Availability deployment are down because of a Nutanix cluster-level issue.
What is the correct recovery action to restore NDB to a running state?
Answer: D
Explanation:
NDB High Availability uses multiple API Server VMs to provide the user interface and REST API services.
The platform can automatically tolerate the failure of up to two service VMs, but if every API Server VM is offline, the API service becomes completely unavailable and manual intervention is required. Recovery requires bringing at least one API Server VM back online. Once an API Server is running, the NDB API service can restart and the remaining HA components can rejoin or recover through the normal resiliency mechanisms. Restarting HAProxy first cannot restore an API service when no API Server is available.
Repository VMs should not be recreated because they contain NDB metadata, and registered Nutanix clusters do not need to be registered again. Therefore, the correct answer is A. NDB HA failure and recovery scenarios
NEW QUESTION # 55
When registering a new Nutanix Cluster with Era, what component is installed on the target Nutanix cluster via the Register Nutanix Cluster workflow?
Answer: B
Explanation:
When registering a new Nutanix Cluster with Era, the Era Agent is installed on the target Nutanix cluster via the Register Nutanix Cluster workflow1. This agent is crucial for the functioning of the Nutanix Database Service (NDB) as it helps in managing and optimizing database workloads2. It also enables the application of procedural concepts to add Nutanix clusters to NDB2.
NEW QUESTION # 56
An administrator is preparing to deploy a new Nutanix Database Service (NDB) appliance.
Which infrastructure component must be available before deploying the NDB VM?
Answer: D
Explanation:
The NDB control-plane appliance is deployed as a VM on a Nutanix AHV cluster, so an operational Nutanix cluster managed through Prism Element must exist first. The deployment workflow connects to Prism Element, selects the required cluster networking and storage resources, and creates the NDB VM. Nutanix's installation prerequisites also require suitable Prism Element credentials, such as an account with the documented cluster-level administrative access. Prism Central can support additional services and integrations, but it is not a universal prerequisite for the initial NDB appliance deployment. Nutanix Objects is optional and is used for capabilities such as database log-backup storage. Flow Virtual Networking is likewise not required for the base installation. Therefore, option B identifies the component that must be available before deployment. Nutanix NDB installation documentation
NEW QUESTION # 57
What must be configured in Prism Element to allow the NDB server and CVMs to facilitate iSCSI connections?
Answer: B
Explanation:
To enable iSCSI connections between the Nutanix Database Service (NDB) server, Controller VMs (CVMs), and Prism Element, a Data Services IP must be configured in Prism Element. The Data Services IP acts as a cluster-wide address that facilitates iSCSI target discovery and connectivity. It is used by Nutanix Volumes (a block storage service) to present storage to external clients or services, such as the NDB server, via the iSCSI protocol. This IP ensures that iSCSI traffic is routed correctly and remains available even if a CVM fails, as ownership of the Data Services IP can move to another CVM in the cluster.
Configuring the Data Services IP is a prerequisite for integrating NDB with a Nutanix cluster, as NDB relies on iSCSI to manage database storage operations like provisioning and cloning. Without this configuration, the NDB server cannot establish the necessary connections to the CVMs for database-related tasks. Options like Virtual IP, Secondary DNS IP, and Backplane IP are not relevant in this context:
Virtual IP: This is typically associated with high-availability setups for applications, not iSCSI connectivity.
Secondary DNS IP: This pertains to network resolution, not storage connectivity.
Backplane IP: This is an internal network IP for cluster communication, not for external iSCSI access.
Thus, the correct and verified answer is the Data Services IP.
Official Nutanix Database Automation References
Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.2: Configuring NDB Prerequisites.
Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Knowledge Objectives, Section 2:
Deploy and Configure an NDB Solution (applicable to v7.5 as foundational concepts remain consistent).
Nutanix Support & Insights Portal: "Configuring iSCSI Data Services IP for Nutanix Volumes" (general Volumes configuration applicable to NDB).
NEW QUESTION # 58
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