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NCP-DB Test Labs - NCP-DB Reliable Test Test

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Nutanix NCP-DB Exam Syllabus Topics:

Topic
Details

Topic 1

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

Topic 2

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.

Topic 3

Describe NDB Concepts: It defines database and NDB terminology. The topic also explains benefits and features of NDB.

Topic 4

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

Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Sample Questions (Q38-Q43):

NEW QUESTION # 38
An administrator needs to take multiple snapshots per day and retain them for one week. How should the administrator define and schedule the SLA?

A. * Daily snapshot retention: 7 days
* Daily snapshot at: 2
B. * Weeklysnapshot retention: 1 week
* Daily Snapshot at: 2
C. * Weeklysnapshot retention: 1 week
* Snapshots per Day: 2
D. * Daily snapshot retention: 7 days
* Snapshots per Day: 2

Answer: D

Explanation:
The correct answer is D because it matches the requirement of taking multiple snapshots per day and retaining them for one week. Option A is incorrect because it only takes one snapshot per day, which is not enough for the administrator's need. Option B is incorrect because it only retains the snapshots for one week, which means the older snapshots will be deleted after seven days. Option C is incorrect because it only takes two snapshots per week, which is not frequent enough for the administrator's need.
References: The following sources provide more information about the SLA retention policies and how to create and modify them in NDB:
* Nutanix Database Management & Automation (NDMA) course, Module 4: Protecting Databases Using Time Machine, Lesson 4.1: Creating and Modifying SLA Retention Policies
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Knowledge Objectives, Section
5 - Protect NDB-managed Databases Using Time Machine
* Nutanix Database Service (NDB) User Guide, Chapter 6: Protecting Databases Using Time Machine, Section 6.1: Creating and Modifying SLA Retention Policies

NEW QUESTION # 39
An administrator has a production PostgreSQL database cloned for development and testing purpose. A new table is added to the source database.
What should the administrator do to publish the update leveraging the point in Time Era capability?
(C) 1. PeHorm a Log Catch-up using source database Time Mechine
2. Refresh the clone database
(C) l. Perform a Log Catch-up using source database Time Mechine
2. Refresh the source database
(C) l. update Log Catch-up interval from Tme Machine
2. Refresh the source database
C) 1. Update Log Catch-up interval from Tame Machine
2. Refresh the clone database
How is the size of a database time machine defined?

A. The size of all snapshots and clones maintained by Era
B. The size of all snapshots and/or transaction logs maintained by Era
C. Only the size of all reclaimable snapshots maintained by Era
D. Only the size of all transaction logs maintained by Era

Answer: B

Explanation:
The Nutanix Era platform provides a feature called Time Machine, which is designed to manage the lifecycle of database copies and clones1. When a new table is added to the source database, the administrator should perform a Log Catch-up using the source database's Time Machine. This action ensures that the Time Machine captures the latest state of the source database, including the newly added table1. After performing the Log Catch-up, the administrator should refresh the clone database. The refresh operation updates the clone with the latest state captured by the Time Machine, thereby publishing the new table to the clone1.

NEW QUESTION # 40
When registering a new Nutanix Cluster with Era, what component is installed on the target Nutanix cluster via the Register Nutanix Cluster workflow?

A. API Server
B. Era Agent
C. Era Sewer
D. Repository Server

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 # 41
An administrator needs to create a custom PostgreSQL HA software profile.
Which software component manages the state of the cluster and handles failover?

A. Patroni
B. HAProxy
C. etcd
D. keepa lived

Answer: A

Explanation:
NDB supports PostgreSQL HA software profiles for provisioning PostgreSQL databases with high availability. PostgreSQL HA software profiles consist of three components: etcd, HAProxy, and Patroni.
etcd is a distributed key-value store that provides a reliable way to store configuration data across a cluster of machines. etcd is used by Patroni to store and synchronize the cluster state and configuration.
HAProxy is a load balancer that distributes incoming requests to the PostgreSQL nodes. HAProxy is used to expose a single endpoint for database connections even as the roles of the individual nodes change.
Patroni is a template for PostgreSQL high availability. Patroni is responsible for managing the state of the cluster and handling failover. Patroni uses etcd as the distributed configuration store and relies on HAProxy for load balancing.
Therefore, the software component that manages the state of the cluster and handles failover is Patroni.
References:
* Nutanix Database Automation (NCP-DB) Course Details, Section 2.4: Provisioning PostgreSQL Databases
* Nutanix Database Automation (NCP-DB) Certification Details, Objective 2.4: Provision PostgreSQL Databases
* Nutanix Database Automation (NCP-DB) YouTube Playlist, Video 2.4: Provisioning PostgreSQL Databases
* [Nutanix Database Automation (NCP-DB) User Guide], Section 2.4: Provision PostgreSQL Databases
* [PostgreSQL High Availability: Under the Hood - Nutanix.dev]

NEW QUESTION # 42
Which two ports can be used by external applications to make API calls to Era? (Choose two.)

A. 0
B. 1
C. 2
D. 3

Answer: B,D

Explanation:
Nutanix Era is a database management system that provides API endpoints for automation and integration with external applications. These API calls are typically made over HTTPS for security, and the standard ports for HTTPS are 443 and 94401. Please note that the actual ports used can depend on the specific configuration of the Nutanix Era system. It's always a good idea to check the system's documentation or consult with the system administrator for the most accurate information.

NEW QUESTION # 43
......

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