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Free NCP-DB-6.5 Exam Braindumps (page: 11)

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PDF with 251 Questions

Within NDB, an administrator needs to register a PostgreSQL database server VM with a database.
Where should the database data and log files be located in order to successfully complete this task?

  1. On a separate mount point
  2. On the same mount point
  3. On the same disk as the binary installation
  4. On the same disk as the operating system

Answer(s): A

Explanation:

To register a PostgreSQL database server VM with a database on NDB, the database data and log files must be located on a separate mount point from the operating system and the binary installation. This is because NDB uses the mount point as the identifier for the database server VM and the database. If the data and log files are on the same mount point as the operating system or the binary installation, NDB will not be able to recognize them as a valid database server VM or database. Therefore, the administrator should create a separate mount point for the data and log files and specify it during the registration process.


Reference:

Nutanix Database Automation (NCP-DB) Course Details, Nutanix Database Automation (NCP-DB) Certification Details, Nutanix Database Automation (NCP-DB) YouTube Playlist, [How to Allow Remote Access to PostgreSQL database], [5 Ways to Host PostgreSQL Databases], [Starting the Database Server].



What is causing this issue?

  1. The VLAN is DHCP
  2. The VLAN is static
  3. The VLAN is stretched
  4. The VLAN is IPAM

Answer(s): C

Explanation:

The correct answer is C because a stretched VLAN is a VLAN that spans across multiple Nutanix clusters, which may cause network conflicts or latency issues when starting the database server. Option A is incorrect because a DHCP VLAN is a VLAN that uses dynamic IP address allocation, which does not affect the database server startup. Option B is incorrect because a static VLAN is a VLAN that uses fixed IP address allocation, which also does not affect the database server startup. Option D is incorrect because IPAM is not a type of VLAN, but a feature of NDB that allows managing IP addresses for database servers and databases.


Reference:

The following sources provide more information about the VLAN and IPAM concepts and configuration in NDB:
Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.4: Configuring NDB High Availability Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Knowledge Objectives, Section 2 - Deploy and Configure an NDB Solution
Nutanix Database Service (NDB) User Guide, Chapter 2: Deploying and Configuring an NDB Solution, Section 2.4: Configuring NDB High Availability
Nutanix Database Service (NDB) User Guide, Chapter 8: Administering an NDB Environment, Section 8.5: Managing Networks in NDB
Nutanix Database Service (NDB) User Guide, Chapter 8: Administering an NDB Environment, Section 8.6: Managing IP Addresses in NDB



An administrator is trying to register a database server VM with NDB. Which file types will prevent the registration from being successful if located in the C:\ drive?

  1. Page
  2. System
  3. Database
  4. Backup

Answer(s): A

Explanation:

Page files are temporary files that Windows uses to store data that does not fit in the physical memory. Page files can interfere with the registration of a database server VM with NDB, as they can cause errors or performance issues. Therefore, page files should be located in a separate drive or partition from the C:\ drive, where the NDB agent and other files are installed. System, database, and backup files do not prevent the registration of a database server VM with NDB, as long as they are not corrupted or incompatible with the NDB requirements.


Reference:

Nutanix Database Management & Automation Training Course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2: Configuring an NDB Instance, Slide 13: Registering Database Server VMs Nutanix Certified Professional - Database Automation (NCP-DB) 5 Exam, Section 4: Operate and Maintain an NDB Environment, Objective 4.1: Apply procedural concepts to register database server VMs and databases



Which statement is true regarding the NDB alert retention feature?

  1. NDB supports alert retention globally.
  2. NDB supports retention at the individual policy.
  3. NDB supports retention at the grouped policy.
  4. NDB supports retention at the registered cluster.

Answer(s): A

Explanation:

The NDB alert retention feature allows the database administrator to configure the duration for which the NDB alerts are stored and displayed in the NDB instance. The NDB alert retention feature supports alert retention globally, meaning that the same retention period applies to all the alerts generated by the NDB instance, regardless of the source cluster, policy, or operation. The database administrator can set the alert retention period from 1 day to 365 days, or choose to retain the alerts indefinitely. The NDB alert retention feature helps to manage the storage space and the visibility of the NDB alerts.
The NDB alert retention feature does not support retention at the individual policy, grouped policy, or registered cluster level. The NDB alert retention feature applies to all the alerts uniformly, and does not allow the database administrator to specify different retention periods for different policies or clusters.


Reference:

Nutanix Database Management & Automation Training Course, Module 3: Nutanix Era Deployment, Lesson 3.2: Nutanix Era Deployment, slide 11.
Nutanix Database Management & Automation Training Course, Module 5: Nutanix Era Operations, Lesson 5.1: Nutanix Era Operations, slide 6.






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