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Nutanix NCP-DB Exam Syllabus Topics:
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Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Sample Questions (Q52-Q57):
NEW QUESTION # 52
An administrator needs to migrate a large 1/0-intensive database that doesn't support multi-disk layout.
How should the storage be provisioned with Era to support the database while optimizing performance?
Answer: D
Explanation:
In Nutanix Era, a Volume Group is the recommended storage provisioning method for a large I/O-intensive database that doesn't support a multi-disk layout1. A Volume Group in Nutanix Era is a collection of disks that can be managed as a single entity, providing a way to aggregate the storage capacity of multiple disks into a larger storage unit1. This allows for better performance optimization as it enables the database to leverage the combined I/O capabilities of all the disks in the group1. It's important to note that while other options like Load Balancing, Storage Spaces, and vDisk based provisioning can also be used in certain scenarios, a Volume Group is specifically designed for situations where a single, high-performance storage unit is required1.
NEW QUESTION # 53
An administrator has configured NDB HA across multiple Nutanix clusters.
Which failure scenario will require manual interaction for the recovery?
Answer: C
Explanation:
NDB HA is a feature that provides high availability and resilience for the NDB service and its components.
NDB HA creates a cluster of API server VMs, repository VMs, and HAProxy VMs across multiple Nutanix clusters. Each component has a leader and a set of followers that are synchronized and can take over the leader role in case of a failure. NDB HA also monitors the health and status of the NDB components and performs automatic failover and recovery actions when possible. However, some failure scenarios may require manual intervention from the administrator to restore the NDB service. One such scenario is when more than one API server VM is down. The API server VMs are responsible for handling the requests from the NDB UI and CLI, as well as communicating with the repository VMs and the HAProxy VMs. If more than one API server VM is down, the NDB service may become unavailable or unstable, and the administrator will need to manually restart or redeploy the affected API server VMs. The other options do not require manual interaction for the recovery, as NDB HA can handle them automatically. If one repository VM is down, NDB HA will fail over to another repository VM that has the latest data. If more than one HAProxy VM is down, NDB HA will route the traffic to the remaining HAProxy VMs. If the NDB server process is down, NDB HA will restart the process or fail over to another API server VM. References:
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Section 2 - Deploy and Configure an NDB Solution, Objective 2.3: Configure NDB High Availability
* Nutanix Database Management & Automation (NDMA) Course, Module 3: Nutanix Database Service (NDB) Installation and Configuration, Lesson 3.3: Configuring NDB High Availability, Topic: NDB HA Architecture and Components
* Nutanix Support & Insights, RA-2035: Nutanix Database Service High Availability, Section: NDB HA Failure Scenarios and Recovery Actions
NEW QUESTION # 54
An administrator is tasked with auditing NDB SLAs. What data will the administrator be reviewing?
Answer: D
NEW QUESTION # 55
An administrator wants to enable Multi-Cluster management on an Era installation.
Which prerequisites must be satisfied to complete this task?
Answer: B
Explanation:
For enabling Multi-Cluster management on an Era installation, the hypervisor version must be supported and port 9440 must be open between the Era VM and clusters. This ensures that the Era VM can communicate with the clusters for management tasks1.
NEW QUESTION # 56
When doing an Era software upgrade for a Multi-Cluster enabled installation, which component is upgraded first?
Answer: D
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, when doing an Era software upgrade for a Multi-Cluster enabled installation, the Era Cluster Agent is upgraded first1. This is the first component in a Nutanix Environment Upgrade cycle2. The Era Cluster Agent is crucial for managing and monitoring the health of the Nutanix clusters1. Please refer to the official Nutanix documentation and training materials for more detailed information1.
NEW QUESTION # 57
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