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Nutanix Certified Professional - Database Automation (NCP-DB) Question and Answers

Nutanix Certified Professional - Database Automation (NCP-DB)

Last Update May 9, 2024
Total Questions : 146

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Questions 1

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?

Options:

A.  

Only the size of all reclaimable snapshots maintained by Era

B.  

The size of all snapshots and/or transaction logs maintained by Era

C.  

Only the size of all transaction logs maintained by Era

D.  

The size of all snapshots and clones maintained by Era

Discussion 0
Questions 2

How is a software profile created?

Options:

A.  

In the Ere IJI select Profiles Software, and then a template VM.

B.  

In the Ere IJI select Profiles Software, and then a database engine, OS version, and database version,

C.  

Create a software profile from a registered Database Server VM.

D.  

Clone e software profile provided by Era and modify as needed.

Discussion 0
Questions 3

An administrator needs to register a SQL Server Single Node Database Server VM with NDB.

Which condition must exist prior to the administrator completing this task?

Options:

A.  

Database files must exist in the Windows OS boot drive.

B.  

The login account provided must be a member of the sysadmin role.

C.  

The SQL service account should not have read privileges on the mount points.

D.  

SQL Server instance must be in single-user mode.

Discussion 0
Questions 4

What is purpose of the NDB Database Agent service?

Options:

A.  

Temporarily stores the transaction logs.

B.  

Hosts one or more source databases for the same time machine.

C.  

Schedules and monitors the NDB-related operations.

D.  

Contains an instance of the database engine software.

Discussion 0
Questions 5

An administrator needs to change the maximum number of database connections during the cloning workflow.

Which Era profile should the administrator choose?

Options:

A.  

Compute

B.  

Database Parameters

C.  

Network

Discussion 0
Questions 6

How can an administrator exclude Kernel patches for the Linux OS using the most efficient means?

Options:

A.  

Define a pre-script to disable the repositories in the Patch Now advanced options

B.  

Exclude the appropriate repositories on the VM prior to patching.

C.  

Exclude the appropriate repositories on the VM and reboot prior to patching.

D.  

Define a pre-script to disable the repositories in the Maintenance Window advanced options.

Discussion 0
Questions 7

Which statement best describes what happens when a 3rd-party backup tool is chosen to manage log backups for Microsoft SQL in NDB?

Options:

A.  

If exclusive log access is not granted to NDB, the Point-in-Time (PIT) recovery will not be supported, but snapshot-based recovery of the databases is supported.

B.  

Third-party backups vendors can continue to backup the archived logs from the database log destination. NDB will still be able to capture the logs, considering the log catch-up begins before the logs get backed up

C.  

If exclusive log access is not granted to NDB, the Point-in-Time (PIT) recovery will be supported, but snapshot-based recovery of the databases is not supported.

D.  

Third-party backups vendors can continue to backup the binary logs from the binary log location. NDB will still be able to capture the logs, considering the log catch-up begins before the logs get purged.

Discussion 0
Questions 8

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

Options:

A.  

• Daily snapshot retention: 7 days

• Daily snapshot at: 2

B.  

• Weekly snapshot retention: 1 week

• Daily Snapshot at: 2

C.  

• Weekly snapshot retention: 1 week

• Snapshots per Day: 2

D.  

• Daily snapshot retention: 7 days

• Snapshots per Day: 2

Discussion 0
Questions 9

When performing a SQL Server Restore Source Database operation, what is a valid reason an administrator would choose the Restore

Location as New Location?

Options:

A.  

The log files are needed to petform the point in time restore.

B.  

The administrator wants to restore to a new location and have Era apply Nutanix best practices.

C.  

The administrator wants to keep the original schema in place.

D.  

The database files are on a disk with other database files and the administrator wants to get the database restored as quickly as possible.

Discussion 0
Questions 10

A development team has requested that an administrator provide them a copy of the production Finance database. The business requires that any financial data is masked before going into development.

How should the administrator create a clone with masked data for the development environment?

Options:

A.  

From the Time Machine, create a clone and paste the masking commands in the post-clone field of the Pre-Post Commands section.

B.  

1. Create a masking script on the source DB VM, Dev VM or SW Profile VM.

2. Create the clone from the Time Machine and define the post-clone option with the full path\name of the masking script.

C.  

1. Create a script to mask the data.

2. Create the clone from the Time Machine and define the post-clone option with the full path\name of the masking script.

D.  

From the Time Machine, create a clone and paste the masking commands in the pre-clone field of the Pre-Post Commands section.

Discussion 0
Questions 11

An administrator has configured NDB HA across multiple Nutanix clusters.

Which failure scenario will require manual interaction for the recovery?

Options:

A.  

More than one API Server VM is down.

B.  

One repository VM is down.

C.  

More than one HA proxy VM is down.

D.  

NDB Server process is down.

Discussion 0
Questions 12

A database administrator wants to define initialization variables for different types of database engines and workloads, like OLTP and DW.

What type of profile would be used?

Options:

A.  

Software Profile Version

B.  

Network

C.  

Compute

D.  

Database Parameters

Discussion 0
Questions 13

Era allows custom metadata to be assigned to entities (clones, time machines, databases, and database servers) by using which component?

Options:

A.  

Tags

B.  

Notes

C.  

Text

D.  

Index

Discussion 0
Questions 14

What are two of the required steps to provision a new network in Clusters and extend it to Era? (Choose two.)

Options:

A.  

Add a new.' subnet to the correct VPC.

B.  

Add the new subnet end VLAN in Network Configuration in PE.

C.  

Add the new VLAN in Ere Networks.

D.  

Add the new network in Era Multi-Clu5ter Management

Discussion 0
Questions 15

A developer with RBAC privileges in Era needs to refresh an existing DB Clone.

What steps must the developer take to perform the refresh?

Options:

A.  

Navigate to Databases > Sources, Select the appropriate Database from the table and

Refresh Clone from the Database Actions menu.

B.  

Navigate to Databases > Clones, Select the appropriate clone from the table, click

Refresh, select the desired Point In Time or Snapshot and click Refresh

C.  

Navigate to Time Machines Select the appropriate Database Time Machine from the

table end Refresh Clone from the Actions menu.

D.  

Navigate to Databases > Clones, Select the appropriate clone from the table, choose

Discussion 0
Questions 16

An administrator needs to distribute NDB management plane components.

Which NDB HA VM needs to be deployed on the same L2 network?

Options:

A.  

NDB Agent

B.  

API Server

C.  

Repository VMs

D.  

HA Proxy VMs

Discussion 0
Questions 17

A request is received to refresh a database clone from a new manual snapshot. When the administrator attempts to create the new snapshot from the Time Machine, it is in a Frozen state.

What causes a Time Machine to enter the Frozen state and what are the administrator's options to complete the request?

Options:

A.  

Cause: The Time Machine enters a Frozen state when the database is de-registered without removing the Time Machine.

Resolution: The Time Machine must be paused, then the database re-registered with a new Time Machine and a new clone created.

B.  

Cause: The Time Machine enters a Frozen state when the database is de-registered without removing the Time Machine.

Resolution: To complete the request the database must be re-registered in NDB, create a new Time Machine and create a new clone.

C.  

Cause: The Time Machine enters a Frozen state when the database is de-registered without removing the Time Machine.

Resolution: To complete the request the database must be re-registered in NDB, this thaws the Time Machine and it resumes operation so the clone can be refreshed.

D.  

Cause: The Time Machine enters a Frozen state after too many snapshot or log catchup

failures.

Resolution: Remediate the snapshot or log catchup failures, this thaws the Time Machine,

allowing normal operations to continue and the request can be completed.

Discussion 0
Questions 18

Which ports must be open between the NDB server and Controller VMs to facilitate iSCSI connections?

Options:

A.  

22 and 9440

B.  

80 and 443

C.  

3205 and 3260

D.  

5985 and 5986

Discussion 0
Questions 19

An administrator has created a new SQL Server software profile version to apply the latest cumulative update.

What should the administrator do to make it available to all users?

Options:

A.  

Set the status of the existing software profile version to Unpublished.

B.  

Update the software profile version and set the status to Published.

C.  

Deprecate the existing software profile version and use the new one.

D.  

Select the software profile version with the update and optimization,

Discussion 0
Questions 20

An administrator would like to replicate database snapshots to remote Nutanix clusters.

What should the administrator do to manage Time Machine data availability across all registered Nutanix clusters in NDB?

Options:

A.  

Add Data Access to each Nutanix cluster and assign a DAM policy.

B.  

Update the cluster's Data Access & select the remote cluster.

C.  

Update the SLA on the Time Machine & schedule the remote replication.

D.  

Select the snapshots & replicate them to each Nutanix cluster.

Discussion 0
Questions 21

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?

Options:

A.  

Update Nutanix Cluster

B.  

Set VM-Host Affinity

C.  

Remove Nutanix Cluster

D.  

Unset VM-Host Affinity

Discussion 0
Questions 22

An administrator needs to create a custom PostgreSQL HA software profile.

Which software component manages the state of the cluster and handles failover?

Options:

A.  

etcd

B.  

keepa lived

C.  

HAProxy

D.  

Patroni

Discussion 0
Questions 23

Within the NDB GUI, an administrator needs to set the shortest schedule interval possible for a database log catch up.

Which value, in minutes, will satisfy this requirement?

Options:

A.  

5

B.  

10

C.  

15

D.  

30

Discussion 0
Questions 24

What is the first step to add Time Machine (TM) data access to a Nutanix cluster?

Options:

A.  

Enable multi-cluster in NDB.

B.  

Disable multi-cluster in ND8.

C.  

Register the required Nutanix clusters in ND8.

D.  

Delete the TM data from the source database.

Discussion 0
Questions 25

An administrator is adding a stretched VLAN in NDB.

Which VLAN type(s) will satisfy this task?

Options:

A.  

Only VLANs that are not managed in NDB

B.  

Only static VLANs that are managed in NDB

C.  

Only dynamic VLANs

D.  

Both static and dynamic VLANs

Discussion 0
Questions 26

What is used to temporarily store the transaction logs of the source database before they are copied to the log?

Options:

A.  

Database Agent

B.  

NDB Drive

C.  

Time Machine

D.  

NDB Profiles

Discussion 0
Questions 27

An administrator needs to provision a database for test purposes with a data protection policy that minimizes storage usage.

How should the administrator best complete this task?

Options:

A.  

Disable the SLA for this database during provisioning.

B.  

Create a SLA that only leverages zero-byte snapshots.

C.  

Select the built-in NONE SLA that is configured for no snapshot or log backup.

D.  

Create a custom SLA for this database that only retains 1 day of snapshots and bogs.

Discussion 0
Questions 28

What feature of Era allows an administrator to create Time Machine policies in a Multi-Cluster configuration?

Options:

A.  

Data Access Management

B.  

Global Data Protection

C.  

Time Machine Cloud Orchestration

D.  

Global Service Level Agreement

Discussion 0
Questions 29

Which command can be used to assign a static IP address to the Era VM on ESXi?

set

era-server > era

era-server >

An administrator is trying to register an Oracle Database Server VM to Era.

Which dependency must be met?

Options:

A.  

SUDO NOPASS access is required

B.  

Enable reQUIREetty setting on the source database

C.  

/TEMP folder must have read-only permissions

D.  

set path = /sbin:/bin:/usr/sbin:/usr/bin

Discussion 0
Questions 30

An administrator created a database clone that is scheduled for removal on the last day of the month.

A request has been received to keep the clone for an additional 14 days.

After selecting the desired clone, how should the administrator satisfy this task?

Options:

A.  

Update the Removal schedule to the desired date.

B.  

Update the Removal schedule to the end of the month.

C.  

Remove the Removal schedule, then add the desired removal schedule.

D.  

Select Update and modify the Removal schedule.

Discussion 0
Questions 31

An administrator needs to roll back an Oracle patch on a database server VM using NDB. What is required for this action to be successful?

Options:

A.  

The patch must have been applied using NDB.

B.  

The database must be shut down.

C.  

The patch must have been applied on Grid home only using NDB.

D.  

The database must be in read-only mode.

Discussion 0
Questions 32

Where should an administrator perform an upgrade within the Era management interface?

Options:

A.  

Operations > Current Recent

B.  

Profiles Software

C.  

Alerts

D.  

Administration > Maintenance

Discussion 0
Questions 33

A database admin logs into Era to manage an Oracle Database VM and sees a message Update Available on the Status of the Software Profile Version.

What should the database admin do?

Options:

A.  

Manually update the software profile to the latest version

B.  

Create and update to the latest software profile version

C.  

Era autocratically updates the software profile to the latest version

D.  

Schedule Ere to update the software profile to the latest version

Discussion 0
Questions 34

Which two statements best describe the features and functionality of Era Oracle patching? (Choose two.)

Options:

A.  

Era does not require native Oracle Utility OpatchAuto to create the patch profile,

B.  

Era patching can be automated using REST API/CLI for scheduled patching many Oracle servers in a fleet patching scenario,

C.  

Era patching for Oracle databases has automatic rollback if any of the steps in the patching workflow fails.

D.  

Era Oracle fleet patching can be rolled back if issues ere encountered after successful patching.

Discussion 0
Questions 35

In NDB, which two Time Machine options are available when creating a database clone? {Choose two.)

Options:

A.  

Point in time

B.  

Restore point

C.  

Backup

D.  

Snapshot

Discussion 0
Questions 36

What does an NDB compute profile contain?

Options:

A.  

vCPUs, cores per vCPU, and the amount of memory for the database server VM.

B.  

Windows domain name (FQDN), domain user, and password.

C.  

VLAN that the new database server VM will use.

D.  

An image of the database and operating system generated from the registered database server VM.

Discussion 0
Questions 37

What is the most efficient way to get information on REST APIs for a task in Era?

Options:

A.  

Log into Ere VM end run to list ell the REST APIs.

B.  

Navigate to Swagger REST in Era GI-II.

C.  

Navigate to and look for the desired

D.  

use API equivalent button in a workflow.

Discussion 0
Questions 38

Which Time Machine feature allows developers to automate the data refresh for their clones?

Options:

A.  

Manual Backup

B.  

update

C.  

Log Catchup

D.  

Schedule

Discussion 0
Questions 39

In an Oracle upgrade scenario using Era. if the source database is on a nor-Nutanix platform, is it possible to upgrade it with an Era

workflow?

Options:

A.  

Yes, it is possible to upgrade database instance on a non-Nutanix platform.

B.  

Yes, only if the nan-Nutanix platform is big-endian platform,

C.  

No, the database instaru:e must be Era managed to Be upgraded

D.  

Yes, only if the nori-Nutanix platform is little-endian platform.

Discussion 0
Questions 40

What is required to create an NDB Software Profile?

Options:

A.  

Installer package for database software

B.  

Database server VM registered with NDB

C.  

Patch file for the installed databases

D.  

OS image registered with Prism Element

Discussion 0
Questions 41

What is required to cre110ate a network profile in Era?

Options:

A.  

The network must contain static IP addresses.

B.  

The network must be added to Era.

C.  

The network must be managed by Era.

D.  

The network must provide IP address management.

Discussion 0
Questions 42

Refer to the exhibit.

A request is received to provision a new Oracle SIHA DB & VM to test ASMLIB on OEL79 and Oracle 19c. When walking through the provisioning workflow, only ASMFD is available in the ASM Driver drop down.

What is necessary to provision the requested SIHA DB and DB VM with ASMLIB?

Options:

A.  

Update the software profile to include the ASMLIB driver.

B.  

Install ASMLIB on the NDB server.

C.  

Update the NDB driver config to enable ASMLIB for Oracle.

D.  

Install ASMLIB on the database server.

Discussion 0
Questions 43

An administrator selected Bronze SLA for Era Time Machine during database registration.

Which two capabilities are supported by the Time Machine for this database? (Choose two,)

Options:

A.  

Provwonng

B.  

Log Catch up

C.  

Cloning

D.  

Snapshots

Discussion 0