Free Nutanix (NCP-DB) Certification Sample Questions with Online Practice Test
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NEW QUESTION # 115
What is causing this issue?
- A. The VLAN is static
- B. The VLAN is stretched
- C. The VLAN is IPAM
- D. TheVLANisDHCP
Answer: B
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.
References: 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
NEW QUESTION # 116
An NDB administrator would like to configure a database with a Time Machine protection mode that includes the Log Catchup operation.
What would be the most essential component to make such a configuration possible?
- A. An SLA retention schedule must be identified for daily snapshots.
- B. At least one snapshot must be taken daily on the database.
- C. A protection SLA with the Continuous Log Retention option must be selected.
- D. The Log Catchup frequency must be selected and conform to RPO requirements.
Answer: C
Explanation:
To configure a database with a Time Machine protection mode that includes the Log Catchup operation in NDB, the most essential component is a Service Level Agreement (SLA) that supports continuous log retention. The Log Catchup operation enables point-in-time recovery (PITR) by replaying transaction logs from a specified point, ensuring minimal data loss and meeting Recovery Point Objective (RPO) requirements. This functionality depends on the Time Machine being configured with an SLA that includes the "Continuous Log Retention" option, which ensures transaction logs are captured and retained continuously alongside snapshots.
* Option A is incorrect because a daily snapshot alone is insufficient without log retention to enable Log Catchup.
* Option B is incorrect because an SLA retention schedule for daily snapshots does not inherently include continuous log capture, which is required for Log Catchup.
* Option C is correct as it specifies the Continuous Log Retention option, the critical feature for enabling Log Catchup in a Time Machine SLA.
* Option D is incorrect because while frequency settings are important, they are secondary to selecting an SLA with continuous log retention as the foundational requirement.
This configuration ensures robust data protection and recovery capabilities tailored to the database's needs.
References
* Nutanix Database Service (NDB) User Guide, Chapter 5: Configuring Time Machines, Section: Setting Up SLAs with Log Catchup
* Nutanix Support & Insights, Knowledge Base Article: "Configuring Time Machine with Log Catchup in NDB"
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 5: Protect Databases Using Time Machine
NEW QUESTION # 117
Which action should be completed before updating Oracle Database software?
- A. Perform rolling reboots of the Oracle Database VMs.
- B. Download the PSU from Oracle support.
- C. Verify the Oracle OS version is supported on AHV.
- D. Verify CVMs have the required memory allocated.
Answer: B
Explanation:
Before updating Oracle Database software, you need to download the Patch Set Update (PSU) from Oracle support. A PSU is a collection of critical and security patches for Oracle products. You need to have a valid Oracle account and access to the My Oracle Support portal to download the PSU. You also need to check the compatibility and prerequisites of the PSU before applying it to your Oracle Database software. NDB uses out-of-place patching for Oracle, which means you need to create a new software profile version with the patched Oracle software and use it to update your existing databases. References:
* Patch Oracle Database Software, Nutanix Support & Insights
* Nutanix Certified Professional - Database Automation (NCP-DB), Section 4 - Operate and Maintain an NDB Environment
* Nutanix Database Management & Automation (NDMA) course, Module 4, Lesson 4.4 - Patching Databases
NEW QUESTION # 118
An administrator needs to provision a 3-node MSSQL Server AG with the following configuration:
* Two database server VMS including the primary replica on a local site
* A third database server VM on a remote site
How many IP addresses will the network at each site require?
- A. Cluster VIP end I Listener IP on the local site
1 Cluster VIP and 1 Listener IP on the remote site
2 IPs in the local site and 1 on the remote site for the database server nodes - B. I Cluster VIP end I Listener IP on the local site
1 Listener IP on the local site
2 IPs in the local site and I on the remote site for the database server nodes - C. 1 Cluster VIP and 1 listener IP on the remote site
2 IPs in the local site and 1 on the remote site for the database server nodes
1 Cluster VIP on the local site
1 Cluster VIP and 1 Listener IP on the remote site
2 IPs in the local site and 1 on the remote site for the database server nodes - D. 2 Cluster VIP and 1 listener IP on the local site
Answer: A
Explanation:
The correct answer is D. When setting up a 3-node MSSQL Server AG with two database server VMs on a local site and a third database server VM on a remote site, the network at each site will require the following IP addresses:
* 1 Cluster VIP and 1 Listener IP on the local site123.
* 1 Cluster VIP and 1 Listener IP on the remote site123.
* 2 IPs in the local site and 1 on the remote site for the database server nodes123.
This configuration ensures that each node in the cluster has a unique IP address, and each cluster and listener also has a unique IP address. This is necessary for the proper functioning of the cluster and to ensure that all nodes can communicate with each other and with clients123.
NEW QUESTION # 119
When running the Linux prerequisites script, an administrator discovers that the only required argument is -t.
What does the -t argument specify?
- A. Timeout interval
- B. NDB server IP
- C. Database engine
- D. Operating System type
Answer: A
Explanation:
When running the Linux prerequisites script for NDB, the -t argument is a required parameter that specifies the timeout interval. This argument defines the maximum time (in seconds) the script will wait for certain operations (e.g., connectivity checks, package installations) to complete before timing out. This is critical during the preinstallation phase to ensure the environment is properly configured and responsive, avoiding indefinite hangs. Other options are not associated with -t:
* A. Operating System type: This is not a typical argument for the prerequisites script.
* C. NDB server IP: This would be specified separately (e.g., via -s or a similar flag).
* D. Database engine: This is irrelevant to the prerequisites script, which focuses on system setup.
Thus, the verified answer is B, aligning with the script's purpose of managing execution timeouts.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.1: Running Prerequisites Scripts.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
2: Deploy and Configure an NDB Solution, Objective 2.1: Prepare Hosts (applicable to v6.10).
* Nutanix NDB Installation Guide: "Running the Linux Prerequisites Script" section, detailing -t usage.
NEW QUESTION # 120
An administrator needs to deploy a cumulative update (CU) for SQL Server.
What steps would the administrator take to prepare this deployment with NDB?
- A. Create a new Software Profile using the CU executable and publish that profile.
- B. Create a new Software Profile version using the CU executable and publish that version.
- C. Apply the patch to the profile VM, then create a new Software Profile version using the profile VM as the source.
- D. Apply the patch to the profile VM, delete the existing Software Profile and create a new Software Profile using the profile VM as the source.
Answer: C
Explanation:
The correct answer is C because it follows the recommended procedure for applying a CU to a SQL Server Software Profile in NDB. By applying the patch to the profile VM, the administrator ensures that the CU is compatible with the existing Software Profile settings and configuration. By creating a new Software Profile version, the administrator preserves the previous version of the Software Profile for rollback purposes and allows the new version to be tested and published. Option A is incorrect because it deletes the existing Software Profile, which may cause data loss and prevent rollback. Option B is incorrect because it does not apply the patch to the profile VM, which may result in errors or inconsistencies in the Software Profile.
Option D is incorrect because it creates a new Software Profile instead of a new version, which may cause confusion and duplication.
References: The following sources provide more information about the Software Profile management and patching in NDB:
* Nutanix Database Management & Automation (NDMA) course, Module 5: Patching Databases Using NDB, Lesson 5.2: Creating and Modifying Software Profiles
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Knowledge Objectives, Section
4 - Operate and Maintain an NDB Environment
* Nutanix Database Service (NDB) User Guide, Chapter 5: Patching Databases Using NDB, Section 5.2:
Creating and Modifying Software Profiles
* Nutanix Database Service (NDB) User Guide, Chapter 5: Patching Databases Using NDB, Section 5.3:
Testing and Publishing Database Patches
NEW QUESTION # 121
When registering SAP HANA Database and Database Server VM there are several (Linux) OS configuration requirements that must be set before registering a database Or a database server VM.
Which system file should the entry, secure_pazh be configured in?
- A. 'etc/ profile
- B. /ezc/sudores
Answer: B
NEW QUESTION # 122
An administrator wants to migrate an existing MSSQL Server database to NDB.
How should the administrator complete this migration?
- A. Create a new database server VM and database then register it with NDB.
- B. Provision a new database server VM and database then migrate the data.
- C. Backup your database VM and import it into Nutanix.
- D. Use Nutanix Move to migrate the database server VM.
Answer: B
Explanation:
To migrate an existing Microsoft SQL Server (MSSQL) database to NDB, the recommended approach is to:
* Provision a new database server VM and database: Use the NDB interface to provision a new VM and configure an MSSQL database instance on the Nutanix platform. This leverages NDB's automated provisioning capabilities to ensure compatibility with Nutanix infrastructure.
* Migrate the data: Transfer the data from the existing MSSQL database to the newly provisioned database. This can be achieved using native MSSQL tools (e.g., backup/restore, log shipping, or replication) or NDB's data migration features, such as cloning or restoring from a backup, depending on the source environment.
Other options are incorrect or incomplete:
* A. Use Nutanix Move to migrate the database server VM: Nutanix Move is designed for VM migration between platforms, not for database-specific migrations within NDB, which requires data migration to a new instance.
* C. Create a new database server VM and database then register it with NDB: Registering an existing VM with NDB does not handle data migration from the source MSSQL database.
* D. Backup your database VM and import it into Nutanix: Backing up the entire VM and importing it does not integrate the database with NDB's management framework, and data migration would still be required separately.
Thus, the verified answer is B, providing a structured migration process tailored to NDB's capabilities.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 3: Managing Database Instances, Lesson 3.5: Migrating Databases to NDB.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
3: Manage NDB Solutions, Objective 3.4: Migrate Databases (applicable to v6.10).
* Nutanix NDB Administration Guide: "Migrating MSSQL Databases to NDB" section, outlining provisioning and data migration steps.
NEW QUESTION # 123
Which response shows two ways to upgrade an NDB Server?
- A. One-click Upgrade and Offline Upgrade
- B. Upgrade and Manual Upgrade
- C. One-click Upgrade and In-place Upgrade Auto
- D. Out-of-Place Upgrade and In-place Upgrade
Answer: A
Explanation:
There are two ways to upgrade an NDB Server: one-click upgrade and offline upgrade. One-click upgrade is the recommended method, as it automatically downloads and installs the latest NDB software version from the Nutanix portal. Offline upgrade is an alternative method, which requires you to manually download the NDB software bundle and upload it to the NDB Server VM. Both methods require you to have a valid Nutanix account and an internet connection. References:
* Nutanix Certified Professional - Database Automation (NCP-DB), Section 6 - Administer an NDB Environment
* Database (NCP-DB) Exam Blueprint Guide - Nutanix, Page 10, Objective 6.2
* Nutanix Database Management & Automation (NDMA) course, Module 6, Lesson 6.1 - NDB Software Upgrade
NEW QUESTION # 124
An administrator needs to increase storage for a MongoDB database provisioned using NDB. After launching the NDB CLI, the administrator begins with creating the input file for this operation.
Which parameter should the administrator include within the input file?
- A. database
- B. extend_storage
- C. update
- D. data_percent
Answer: B
Explanation:
To increase storage for a MongoDB database provisioned using NDB, the administrator needs to use the extend_storage parameter in the input file for the NDB CLI. This parameter specifies the amount of additional storage to be added to the database server VM in GB. For example, if the current storage size is 100 GB and the administrator wants to increase it to 150 GB, the input file should contain the following line:
extend_storage: 50
The other parameters are not relevant for this operation. The update parameter is used to update the database software version, the database parameter is used to specify the database name, and the data_percent parameter is used to specify the percentage of data to be copied during a clone operation. References: Nutanix Database Automation (NCP-DB) Course Details, Nutanix Database Automation (NCP-DB) Certification Details, Nutanix Database Automation (NCP-DB) YouTube Playlist, [Nutanix Database Automation User Guide].
NEW QUESTION # 125
Because of a cost reduction program, many Microsoft SQL server instances will be consolidated on DB server VMs managed by NDB using a medium compute profile. Database administrators are concerned about DB storage capacity and are looking to expand it.
Which NDB task should be performed?
- A. Update the compute profile.
- B. Scale the source database.
- C. Expand vDisk in Prism Element.
- D. Update the Database server VMs.
Answer: D
Explanation:
When consolidating Microsoft SQL Server instances on database server VMs managed by NDB using a medium compute profile, concerns about DB storage capacity can arise due to increased demand. In NDB, the appropriate task to address this is to "Update the Database Server VMs," which allows the administrator to adjust resource allocations, including storage capacity, for the VMs hosting the databases. This task can be performed within the NDB interface to expand disk space or reconfigure storage settings without altering the compute profile or requiring external tools.
* Option A (Update the Database server VMs) is correct as it provides a direct method in NDB to modify VM resources, including storage.
* Option B (Expand vDisk in Prism Element) is incorrect because NDB manages database VMs holistically, and storage expansion should be handled through NDB's Update task rather than Prism Element directly.
* Option C (Update the compute profile) is incorrect because compute profiles define CPU and memory, not storage capacity.
* Option D (Scale the source database) is incorrect as scaling typically refers to database-level adjustments (e.g., adding nodes), not VM storage expansion.
This approach ensures seamless integration with NDB's management framework.
References
* Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Database Servers, Section:
Updating Database Server VMs
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 4: Manage Database Servers
NEW QUESTION # 126 
An administrator tried to provision Nutanix Database Service (NDB) from Prism Central Marketplace and is getting the error shown in the exhibit.
Which action would have prevented this issue?
- A. Provide a subnet with IP Address Management
- B. Register NDB using the correct IP address.
- C. Import the proper image in the Prism Central.
- D. Configure an IP address when deploying the application.
Answer: D
Explanation:
The exhibit shows an error during the provisioning of NDB from the Prism Central Marketplace, with a failure reason stating "IP not found" in the "EraService - Substrate Create" step. This indicates that the provisioning process could not assign or detect an IP address for the NDB instance, likely due to an unconfigured or missing IP address during deployment. To prevent this issue, the administrator should configure an IP address when deploying the application. This involves specifying a static IP or ensuring IP Address Management (IPAM) is properly set up to allocate an IP during the Prism Central Marketplace deployment wizard.
Other options are less directly relevant:
* B. Import the proper image in the Prism Central: This ensures the correct NDB image is available but does not address the IP assignment issue.
* C. Provide a subnet with IP Address Management: While useful, this is a broader configuration step and not the specific action needed during deployment.
* D. Register NDB using the correct IP address: Registration occurs after deployment and does not prevent the initial IP assignment failure.
Thus, the verified answer is A, as configuring the IP address during deployment directly addresses the "IP not found" error.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.2: Deploying NDB from Prism Central.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
2: Deploy and Configure an NDB Solution, Objective 2.2: Deploy NDB (applicable to v6.10).
* Nutanix NDB Installation Guide: "Deploying NDB via Prism Central Marketplace" section, emphasizing IP configuration.
NEW QUESTION # 127
An administrator wants to enable Multi-Cluster management on an Era installation.
Which prerequisites must be satisfied to complete this task?
- A. Hardware version supported, DHCP Network enabled on Nutanix cluster
- B. Database Server VMS version supported. Network Profiles setup
- C. AOS version supported, static VLAN setup in Era Networks
- D. Hypervisor version supported, port 9440 open between Era VM and clusters
Answer: D
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 # 128
Which two options can NDB leverage to refresh a database clone? (Choose two.)
- A. Templates
- B. Transaction logs
- C. Cerebro logs
- D. Snapshots
Answer: B,D
Explanation:
NDB can leverage snapshots and transaction logs to refresh a database clone to the latest state of the source database. Snapshots are point-in-time copies of the database that are stored on the Nutanix cluster.
Transaction logs are records of the changes made to the database after the snapshot was taken. NDB can use either snapshots or transaction logs, or a combination of both, to refresh a database clone. Cerebro logs and templates are not used for refreshing database clones. Cerebro logs are used for log catch-up operations, which are different from refresh operations. Templates are used for provisioning new databases, not for refreshing existing ones. References:
* Nutanix Database Management & Automation (NDMA) course, Module 4, Lesson 4.3 - Refreshing Clones
* Nutanix Support & Insights, Nutanix NDB User Guide v2.5, Clone Database Management
NEW QUESTION # 129
An administrator needs to perform LCM upgrades on an AHV cluster registered with NDB. The cluster hosts NDB-provisioned database server VMs that are part of a database server cluster.
What should the administrator do to allow the DB Server VMs to stay available while the cluster is being upgraded?
- A. Remove Nutanix Cluster
- B. Update Nutanix Cluster
- C. Unset VM-Host Affinity
- D. Set VM-Host Affinity
Answer: D
Explanation:
The correct answer is B because setting VM-Host affinity ensures that the DB Server VMs are not migrated to another host during the LCM upgrade process. This way, the DB Server VMs can continue to serve the database requests without interruption. Option A is incorrect because updating the Nutanix cluster does not prevent the DB Server VMs from being moved to another host. Option C is incorrect because removing the Nutanix cluster from NDB will make the DB Server VMs unmanaged by NDB and lose thebenefits of NDB features. Option D is incorrect because unsetting VM-Host affinity will allow the DB Server VMs to be migrated to another host during the LCM upgrade process, which may cause downtime or performance degradation.
References: The following sources provide more information about the LCM upgrades and VM-Host affinity in NDB:
* Nutanix Database Management & Automation (NDMA) course, Module 6: Administering an NDB Environment, Lesson 6.3: Performing NDB Software Upgrades
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Knowledge Objectives, Section
6 - Administer an NDB Environment
* Nutanix Database Service (NDB) User Guide, Chapter 8: Administering an NDB Environment, Section
8.3: Performing NDB Software Upgrades
* Nutanix Support & Insights, Your guide to the Upgrades, LCM Design
* Nutanix Life Cycle Manager Guide, Chapter 3: Upgrading Software and Firmware, Section 3.2:
Preparing for an Upgrade, VM-Host Affinity
NEW QUESTION # 130
Refer to the exhibit.
An administrator is receiving critical NDB email alerts regarding storage for the DBA database, which is a member of a database group.
How would the administrator remediate the issue within NDB?
- A. From the Databases page, select the Database group and Scale the storage from the Database Actions menu.
- B. From the Alerts page, select the alert, choose Set Status to Resolved, and Scale the storage via the Resolve Now dialogue box.
- C. From Prism Central, add additional storage to the VM, then expand the log storage via the database tools.
- D. From the Database Summary page for the DBA database, use the Scale option to grow the storage accordingly.
Answer: D
Explanation:
The administrator can remediate the issue of critical storage alerts by scaling up the storage directly from the Database Summary page for that specific DBA database. This action allows for an increase in storage capacity to alleviate space constraints and prevent future critical alerts related to storage space1. The other options are not correct, as they either involve scaling the entire database group, which may not be necessary or desired, or require additional steps outside of NDB, which may not be feasible or efficient. References:
* 1: Nutanix Database Automation (NCP-DB) course, Module 2: Database Provisioning, Lesson 2.4:
Database Scaling, slide 5
NEW QUESTION # 131
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
* Snapshots per Day: 2 - B. * Daily snapshot retention: 7 days
* Daily snapshot at: 2 - C. * Weeklysnapshot retention: 1 week
* Daily Snapshot at: 2 - D. * Weeklysnapshot retention: 1 week
* Snapshots per Day: 2
Answer: A
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 # 132
When using the Patch OS now feature in NDB, how would an administrator limit the updates to security updates only for Red Hat-based operating systems?
- A. Point the database VM to a custom patch repository and enter yum update - security command.
- B. Check Advanced Options and under Custom commands, enter yum update -security in the operating system patching command window.
- C. Check Advanced Options and under Pre-post commands, enter yum update security in the pre-operating system patching command window.
- D. Point the database VM to a custom patch repository before using the Patch OS now feature.
Answer: B
Explanation:
When using the "Patch OS now" feature in NDB to apply updates to a Red Hat-based operating system, the administrator can limit updates to security patches only by leveraging the Advanced Options. Under the
"Custom commands" section of the operating system patching command window, entering yum update -- security instructs the package manager to install only security-related updates. This ensures the system remains secure without applying all available updates, which could introduce instability.
Other options are incorrect or incomplete:
* A. Point the database VM to a custom patch repository and enter yum update --security command This requires manual intervention outside NDB's patching framework.
* B. Check Advanced Options and under Pre-post commands, enter yum update security in the pre- operating system patching command window: Pre-post commands are for pre/post actions, not the main patching process, and the syntax lacks the --security flag.
* C. Point the database VM to a custom patch repository before using the Patch OS now feature:
This sets up a repository but doesn't specify security-only updates within NDB's interface.
Thus, the verified answer is D, aligning with NDB's patching customization.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 6: Maintenance and Patching, Lesson 6.3: Creating Maintenance Plans.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
6: Optimize NDB Solutions, Objective 6.3: Manage Maintenance Plans (applicable to v6.10).
* Nutanix NDB Administration Guide: "Patch OS Now with Custom Commands" section.
NEW QUESTION # 133
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