(PDF) Nutanix Certified Professional (NCP) NCP-DB-6.5 Exam and Certification Test Engine
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NEW QUESTION # 39
An administrator is trying to register a Nutanix cluster for Multi-Cluster provisioning.
The Era cluster is setup with following configuration:
* Era Multi-Cluster is enabled.
Era Server storage container and Era provisioning container are different on the Era cluster.
What should the administrator configure?
- A. Separate remote containers for provisioning Era Agent VM end database Server VMs.
- B. Storage mapping between Era server container end remote container thet is used for provisioning DBs,
- C. Disks that span across Era Server storage container and Era provisioning container.
- D. Storage mapping between Era container and a remote container that is not used for provisioning databases.
Answer: B
Explanation:
In a Nutanix Era setup where Multi-Cluster is enabled and the Era Server storage container and Era provisioning container are different on the Era cluster, the administrator should configure a storage mapping between the Era server container and the remote container that is used for provisioning databases1. This is because Nutanix Era uses the storage container specified during the registration of the Nutanix cluster for provisioning databases1. Therefore, a storage mapping needs to be established between the Era server container and the remote container used for provisioning to ensure that the databases are provisioned correctly1.
NEW QUESTION # 40
An administrator needs to patch a PostgreSQL database server VM from version 13.4 to 13.8.
What is the first step within the NDB patching workflow to accomplish this task?
- A. Create a new Software Profile with PostgreSQL 13.8.
- B. Create a maintenance window and add this PostgreSQL server 13.8 to the queue.
- C. Create a new Database Parameters profile for PostgreSQL server 13.8.
- D. Create a Software Profile Version with PostgreSQL 13.8.
Answer: D
Explanation:
NDB supports patching for PostgreSQL database instances. Patching for PostgreSQL is validated on VMs provisioned by NDB (greenfield deployments). To patch PostgreSQL database server VMs, you must create a software profile version by uploading the PostgreSQL update file in NDB. You can then use the PostgreSQL update to patch other database server VMs or provision a new database server VM with the updated software profile. The first step in the NDB patching workflow is to create a software profile version with the desired PostgreSQL version.
Reference: Nutanix Database Automation (NCP-DB) Course Details, Section 4.1: NDB Patching Overview Nutanix Database Automation (NCP-DB) Certification Details, Objective 4.1: Perform Database Patching Nutanix Database Automation (NCP-DB) YouTube Playlist, Video 4.1: NDB Patching Overview Nutanix Database Automation (NCP-DB) User Guide, Section 4.4: Patch PostgreSQL Database Software
NEW QUESTION # 41
What is required to create an NDB Software Profile?
- A. Database server VM registered with NDB
- B. Patch file for the installed databases
- C. Installer package for database software
- D. OS image registered with Prism Element
Answer: C
Explanation:
An NDB Software Profile is a template of the OS and database engine that you can use to provision or clone database server VMs using NDB. To create a software profile, you need to upload an installer package for the database software that you want to use, such as SQL Server or Oracle. The installer package must be compatible with the OS image that you have registered with Prism Element. You do not need a database server VM registered with NDB, a patch file for the installed databases, or an OS image registered with Prism Element to create a software profile. Those are required for other tasks, such as creating a software profile version, registering a database server VM, or provisioning a database server VM.
Reference: Nutanix Benefit 8: Integrated Self-service Database Management, Nutanix Support & Insights, section "NDB Software"
NEW QUESTION # 42
An administrator enables NDB Multi-Cluster on Cluster
- A. Cluster A: 1 NDB Server, 1 NDB Agent
Cluster B: 1 NDB Agent - B. Cluster A: 1 NDB Agent
Cluster B: 1 NDB Server, 1 NDB Agent - C. Cluster A: 1 NDB Agent
Cluster B: 1 NDB Server - D. Cluster B is then registered with NDB.
What are the different NDB Service VMs present in each Nutanix cluster?B. Cluster A: 1 NDB Server Cluster B: 1 NDB Agent
Answer: A
NEW QUESTION # 43
What is the terminology used for registering an existing database with Era?
- A. Source Database
- B. Greenfield Database
- C. Brownfield Database
- D. Cloned Database
Answer: C
Explanation:
In the context of Nutanix Era, the term "Brownfield Database" is used to refer to an existing database that is registered with Era1. This process allows Era to bring Database as a Service (DBaaS) capabilities to your existing database2. It's important to note that before you register a database with Era, certain prerequisites must be met3.
NEW QUESTION # 44
What is the first step to install NDB on a Nutanix AHV cluster?
- A. NDB is offered as a SaaS service and doesn't require any installations.
- B. Open Prism Central and enable the NDB VM in the settings menu.
- C. Run LCM update to get the latest version of NDB.
- D. Download the QCOW2 image file of NDB and upload it to Prism Element.
Answer: D
NEW QUESTION # 45
Which Time Machine feature allows developers to automate the data refresh for their clones?
- A. Manual Backup
- B. Schedule
- C. update
- D. Log Catchup
Answer: B
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, the Schedule feature of the Time Machine allows developers to automate the data refresh for their clones1. This feature eliminates the time-consuming, complex process of database clone/refresh, allowing admins to create database clones/refresh to any point in time in just a few minutes1. Please refer to the official Nutanix documentation and training materials for more detailed information2.
NEW QUESTION # 46
A developer requests a new development database environment. The Era administrator identifies that there are insufficient resources on the development cluster.
Which two profiles should the administrator adjust to get the copy to fit within the resources available?
(Choose two.)
- A. Compute
- B. Database Parameters
- C. Sofware
- D. Network
Answer: A,B
Explanation:
In the context of Nutanix Database Automation (NCP-DB), when there are insufficient resources on a development cluster, the administrator can adjust the Compute and Database Parameters profiles to make the copy fit within the available resources1. The Compute profile includes settings related to CPU and memory resources, which can be adjusted to fit within the available resources. The Database Parameters profile includes settings that control the behavior and resource usage of the database, which can also be adjusted to optimize resource usage1.
NEW QUESTION # 47
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?
- A. Backup
- B. Database
- C. System
- D. Page
Answer: D
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
NEW QUESTION # 48
Which two Oracle software components does Era patch? (Choose two.)
- A. Oracle home
- B. Application home
- C. Grid home
- D. user home
Answer: A,C
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, Era provides out-of-band patching of databases to eliminate database configuration sprawl1. The two Oracle software components that Era patches are:
A) Grid home2 B) Oracle home2
These components are crucial for the operation of Oracle databases and keeping them updated ensures data security and efficient validation of critical database updates1. Please refer to the official Nutanix documentation and training materials for more detailed information2.
NEW QUESTION # 49
While adding Time Machine data access to a Nutanix cluster, when is a storage container mapping needed
- A. When the source database and NDB VM are on the same container.
- B. When the source and destination database containers are different.
- C. When the source database and NDB provisioning container are the same.
- D. When the source database and NDB Server containers are different.
Answer: C
NEW QUESTION # 50
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?
- A. 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. - B. 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. - 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, create a new Time Machine and create a new clone. - D. Cause: The Time Machine enters a Frozen state after too many snapshot or log catchup failures.
Answer: A
Explanation:
Resolution: Remediate the snapshot or log catchup failures, this thaws the Time Machine, allowing normal operations to continue and the request can be completed.
NEW QUESTION # 51
Which ports must be open between the NDB server and Controller VMs to facilitate iSCSI connections?
- A. 22 and 9440
- B. 3205 and 3260
- C. 80 and 443
- D. 5985 and 5986
Answer: B
Explanation:
According to the Nutanix Database Automation (NCP-DB) course, the ports 3205 and 3260 are required for iSCSI connections between the NDB server and the Controller VMs1. Port 3205 is used for the NDB iSCSI initiator service, which initiates the iSCSI sessions and sends SCSI commands to the Controller VMs1. Port 3260 is used for the iSCSI target service, which listens for incoming iSCSI requests and provides access to the storage devices on the Controller VMs1. The other options are not related to iSCSI connections. Port 22 is used for SSH, port 9440 is used for Prism Central, port 80 is used for HTTP, port 443 is used for HTTPS, port 5985 is used for WinRM HTTP, and port 5986 is used for WinRM HTTPS2.
Reference: 1: Nutanix Database Automation (NCP-DB) course, Module 2: Database Provisioning, Lesson 2.2: Database Engine Installation, slide 13
2: Nutanix NCP-DB Certification Exam Sample Questions, Question 18, Answer
NEW QUESTION # 52
What are two status values that can be set within the Alerts Dashboard? (Choose two.)
- A. Data Resiliency
- B. Resolved
- C. Acknowledged
- D. Auto
Answer: B,C
NEW QUESTION # 53
An administrator needs to replace the default Nutanix self-signed certificates in Era.
Which SSL Certificate file format is supported?
- A. Base-64 encoded X 509
- B. DER encoded binary X.509
- C. PKCS#12
- D. PKCS#7
Answer: A
Explanation:
According to the Nutanix Database Automation (NCP-DB) learning documents, Nutanix Era supports x509 certificates in Base-64 encoded PEM format1. This format is used when an administrator needs to replace the default Nutanix self-signed certificates in Era1.
NEW QUESTION # 54
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?
- A. 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. - 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, this thaws the Time Machine and it resumes operation so the clone can be refreshed. - C. 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. - D. 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.
Answer: B
Explanation:
A Time Machine is a core construct of the copy data management service in NDB that captures and manages the data of a database to deliver a recovery point objective (RPO) SLA. A Time Machine can enter a Frozen state for various reasons, such as database de-registration, snapshot or log catchup failures, or manual intervention. When a Time Machine is in a Frozen state, it stops taking new snapshots and log backups, and cannot perform any clone, refresh, or restore operations. To resume the normal operation of a Time Machine, it must be thawed by resolving the root cause of the freeze. One of the common causes of a Time Machine freeze is when the database is de-registered from NDB without removing the Time Machine. This can happen when the administrator wants to move the database to a different NDB instance or cluster, or when the database is accidentally de-registered. In this case, the Time Machine becomes orphaned and frozen, and cannot be used for any operations. To complete the request to refresh a database clone from a new manual snapshot, the administrator must first re-register the database in NDB using the same database name and ID as before. This will automatically thaw the Time Machine and resume its operation. The administrator can then create a new manual snapshot from the Time Machine and use it to refresh the database clone. The other options are not correct, as they either require unnecessary steps or do not address the root cause of the freeze.
Reference: Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Section 5 - Protect NDB-managed Databases Using Time Machine, Objective 5.1: Create, delete, and modify SLA retention policies Nutanix Database Management & Automation (NDMA) Course, Module 4: Nutanix Database Service (NDB) Data Protection, Lesson 4.1: Data Protection Overview, Topic: Time Machine Concepts Nutanix Support & Insights, TN-2101: Nutanix Database Service Time Machine Under the Hood, Section: Time Machine States and Transitions
NEW QUESTION # 55
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