Nutanix NCP-DB Upgrade Dumps | Exam NCP-DB Answers

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Nutanix NCP-DB Exam Syllabus Topics:

Topic	Details
Topic 1	Administer an NDB Environment: While focusing on the administration of an NDB environment, this topic focuses on managing NDB profiles, applying procedural concepts, and managing networks in NDB. Lastly, the topic explains sub-topics of managing access controls in NDB and identifying how to use NDB APIs and CLI.
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	Deploy and Configure an NDB Solution: This topic discusses how to deploy, configure, and NDB Instance.

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Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Sample Questions (Q159-Q164):

NEW QUESTION # 159
An administrator created an NDB managed VLAN called PGSQLVLAN40 After deploying PostgreSQL HA, it was noticed that the databases were able to communicate with everything on VLAN 40 only.
What can the administrator do to fix the current issue and going forward?

A. Delete the data base servers, VLAN name PGSQLVLAN40 and redeploy the same information under a different VLAN name.
B. Use VLAN 1 for the PostgreSQL deployment.
C. Change the Default Gateway on the PostgreSQL servers and update NDB for VLAN PGSQLVLAN40.
D. Engage the networking team as this is a network related issue.

Answer: D

Explanation:
The scenario describes a PostgreSQL HA deployment managed by NDB, where an NDB-managed VLAN (PGSQLVLAN40) restricts database communication to only within VLAN 40. This indicates a network isolation issue, likely due to VLAN segmentation or routing misconfiguration, preventing communication with external networks or other VLANs. Since NDB manages the VLAN and assigns it to the database VMs, the issue lies beyond NDB's direct control and involves the underlying network infrastructure (e.g., switches, routers, or Prism Element network settings).
Here's why the other options are insufficient:
* A. Use VLAN 1: VLAN 1 is typically a default VLAN and not recommended for production use due to security and isolation concerns. Changing to VLAN 1 does not address the root cause and could introduce further issues.
* B. Change the Default Gateway on the PostgreSQL servers and update NDB: While adjusting the default gateway might enable external communication, this is a workaround rather than a fix. NDB manages the network configuration, and manual changes could be overwritten or cause inconsistency.
The root issue (VLAN routing) remains unaddressed.
* D. Delete the database servers, VLAN name PGSQLVLAN40, and redeploy: This is overly disruptive and unnecessary, as recreating everything under a new VLAN name does not guarantee resolution unless the network configuration is corrected.
The best approach is to engage the networking team to investigate and resolve the issue, such as configuring inter-VLAN routing, updating firewall rules, or adjusting the default gateway at the network level. Going forward, the administrator should collaborate with the networking team during VLAN planning to ensure proper connectivity. Thus, the verified answer is C.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 4: Troubleshooting NDB, Lesson 4.1: Identifying and Resolving Network Issues.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
4: Troubleshoot NDB Solutions, Objective 4.2: Resolve Network-Related Issues (applicable to v6.10).
* Nutanix NDB Administration Guide: "Networking Considerations for HA Deployments" section.

NEW QUESTION # 160
A new web application performs up to 200 concurrent connections to a PostgreSQL database. An administrator needs to configure the system to provision those DB servers.
Which action would easily help the administrator achieving this goal?

A. Use Post Create Command when provisioning the DB.
B. Edit the API equivalent shell script to apply the setting.
C. Provision a PostqreSQL HA Instance.
D. Create a new Database Parameters profile.

Answer: C

Explanation:
A new web application with up to 200 concurrent connections to a PostgreSQL database requires a robust and scalable configuration. Provisioning a PostgreSQL HA (High Availability) instance in NDB is the most effective action to achieve this goal. An HA instance leverages replication (e.g., streaming replication) to distribute load and ensure availability, accommodating high concurrency by allowing multiple nodes to handle traffic. This approach simplifies configuration compared to manual scripting or parameter adjustments.
* Option A (Use Post Create Command when provisioning the DB) is incorrect because post-create commands are for custom scripts, not optimal for handling concurrent connections.
* Option B (Create a new Database Parameters profile) is incorrect because while it can tune settings, it's less efficient than HA for scaling concurrency.
* Option C (Edit the API equivalent shell script) is incorrect as it's a manual and error-prone method compared to HA provisioning.
* Option D is correct because a PostgreSQL HA instance natively supports high concurrency and availability.
Note: The typo "PostqreSQL" is assumed to mean "PostgreSQL."
References
* Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Database Engines, Section:
Provisioning HA Instances
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 4: Manage Database Engines

NEW QUESTION # 161
For an NDB offline upgrade, which NDB CLI command should be used to upload the upgrade bundle?

A. upgrade upload_bundle path=path_to_upgrade_bundle upload bundle
B. upload upgrade_bundle path=path_to_upgrade_bundle
C. path=path_to_upgrade_bundle upgrade bundle
D. path=path_to_upgrade_bundle

Answer: B

Explanation:
For an NDB offline upgrade, you need to download the upgrade bundle from the Nutanix Support Portal and copy it to the NDB server. Then, you need to use the NDB CLI command upload upgrade_bundle with the path parameter to specify the location of the upgrade bundle file. This command will upload the upgrade bundle to the NDB server and verify its integrity. After uploading the upgrade bundle, you can use the upgrade command to perform the upgrade. References: Nutanix Support & Insights, Cisco Nexus Data Broker Deployment Guide, Release 3.10.x

NEW QUESTION # 162
An administrator needs to protect a database with a Point In Time Recovery (PITR) SLA that provides a minimum of seven days of log recovery.
What is the minimum Default SLA that meets this requirement?

A. DEFAULT_008 BRASS SLA
B. DEFAULT_008 GOLD SLA
C. DEFAULT_008 SILVER SLA
D. DEFAULT_008 BRONZE SLA

Answer: C

Explanation:
Nutanix Era (NDB) utilizes DEFAULT_008 SLAs with varying frequencies for snapshots and log backups to achieve different recovery point objectives (RPOs). Here's how they compare:
* DEFAULT_008 GOLD SLA: Typically has frequent log backups (e.g., every 15 minutes) and snapshots every few hours. This is designed for critical databases with very low RPOs.
* DEFAULT_008 SILVER SLA: Offers a balance between protection and resource usage. Log backups might occur every hour with snapshots less frequently. This SLA is often suitable for databases requiring a good RPO without being overly resource-intensive.
* DEFAULT_008 BRONZE SLA: Has less frequent log backups (e.g., every few hours) and less frequent snapshots. This is used for databases with less stringent RPO requirements.
* DEFAULT_008 BRASS SLA: This has infrequent log backups and is usually considered the least protective SLA with the longest potential RPO Reasoning:
Since the requirement is to have at least a 7-day log recovery period, any SLA with more frequent log backups than daily is excessive. The DEFAULT_008 SILVER SLA, with its hourly log backups, easily satisfies this requirement, offering the ability to restore to a point in time within the last hour of the past seven days.
References:
* Nutanix Era User Guide/SLA Management:
https://portal.nutanix.com/page/documents/details?targetId=Nutanix-NDB-User-Guide-v2_5:top-sla-mana

NEW QUESTION # 163
An administrator has been asked to add a new Nutanix AHV cluster to the current single default container for DB provisioning.
Which configuration should be performed before enabling NDB multi-cluster?

A. Enable High Availability for NDB service on the Administration page.
B. Add both clusters under Prism Central management and verify NDB is registered to the same Prism Central Instance. environment using a storage container as the
C. Configure datastore mapping within Prism Element Protection Domains.
D. Deploy Nutanix Self Service VM and use blueprints to allow NDB to deploy databases on multiple clusters.

Answer: B

Explanation:
To add a new Nutanix AHV cluster to the current single default container for database provisioning and enable NDB multi-cluster functionality, the administrator must ensure a unified management framework.
Nutanix Prism Central serves as the centralized management platform for multi-cluster environments, allowing NDB to manage multiple clusters (in this case, the existing cluster and the new AHV cluster) under a single instance. Before enabling multi-cluster support in NDB, both clusters must be registered with the same Prism Central instance, and NDB must be confirmed as registered to that instance. This ensures consistent policy enforcement, resource visibility, and database provisioning across clusters using the default container.
* Option A (Deploy Nutanix Self Service VM and use blueprints) is incorrect because Nutanix Self Service is an optional tool for end-user provisioning and not a prerequisite for multi-cluster enablement.
* Option B (Configure datastore mapping within Prism Element Protection Domains) is incorrect because datastore mapping is a lower-level configuration and not directly required for multi-cluster setup in NDB.
* Option C (Enable High Availability for NDB service on the Administration page) is incorrect because HA is a separate configuration for NDB resilience, not a prerequisite for multi-cluster support.
* Option D is correct as it aligns with NDB's requirement for Prism Central integration to manage multiple clusters effectively.
This configuration ensures seamless multi-cluster operation.
References
* Nutanix Database Service (NDB) User Guide, Chapter 3: Configuring an NDB Environment, Section:
Multi-Cluster Configuration
* Nutanix Prism Central Administration Guide, Section: Managing Multiple Clusters
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 3: Configure an NDB Environment

NEW QUESTION # 164
......

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Nutanix NCP-DB Upgrade Dumps | Exam NCP-DB Answers

Nutanix NCP-DB Exam Syllabus Topics:

100% Pass Nutanix - NCP-DB - Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Perfect Upgrade Dumps

Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Sample Questions (Q159-Q164):

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