2024年最新のNCP-DB試験問題集で最近更新された148問題
Nutanix NCP-DBリアル2024年最新のブレーン問題集で模擬試験問題集
質問 # 52
A developer with RBAC privileges in Era needs to refresh an existing DB Clone.
What steps must the developer take to perform the refresh?
- A. Navigate to Databases > Clones, Select the appropriate clone from the table, click Refresh, select the desired Point In Time or Snapshot and click Refresh
- B. Navigate to Time Machines Select the appropriate Database Time Machine from the table end Refresh Clone from the Actions menu.
- C. Navigate to Databases > Sources, Select the appropriate Database from the table and Refresh Clone from the Database Actions menu.
- D. Navigate to Databases > Clones, Select the appropriate clone from the table, choose
正解：A
解説：
According to the Nutanix Database Automation (NCP-DB) learning documents, to refresh an existing DB Clone, a developer with RBAC privileges in Era needs to navigate to Databases > Clones. From there, they select the appropriate clone from the table, click Refresh, select the desired Point In Time or Snapshot, and then click Refresh12. This process allows the developer to update the cloned database3.
質問 # 53
Which action must an administrator take in Era Networks before using Era to provision a MSSQL AG cluster?
- A. A network in each data center must be configured for Era.
- B. A that has a static pool managed by Era must be configured.
- C. A private network must be configured in Era for the heartbeat traffic.
- D. A network that has a DHCP pool must be configured in Era.
正解：C
解説：
According to the Nutanix Database Automation (NCP-DB) learning documents, before using Era to provision a MSSQL AG cluster, an administrator must configure a private network in Era for the heartbeat traffic1. This is because the heartbeat traffic is crucial for maintaining the health and status of the MSSQL AG cluster. The heartbeat traffic is used by the nodes in the cluster to communicate with each other and check the status of the other nodes. If a node does not receive a heartbeat from another node within a certain time frame, it assumes that the other node has failed and takes appropriate action234.
質問 # 54
What is the terminology used for registering an existing database with Era?
- A. Cloned Database
- B. Brownfield Database
- C. Greenfield Database
- D. Source Database
正解：B
解説：
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.
質問 # 55
What is the purpose of Data Access Management policies in NDBMulti-Cluster?
- A. To manage time machine data availability across all registered Nutanix clusters in NDB
- B. To register multiple Nutanix clusters in NDB
- C. To remove data accessibility of a time machine across all registered Nutanix clusters in NDB
- D. To perform snapshot operations on a single Nutanix cluster
正解：A
解説：
Data Access Management (DAM) policies are a feature of NDB Multi-Cluster that allows you to control the access and availability of time machine data across different Nutanix clusters. You can use DAM policies to specify which clusters can access the time machine data of a source database, and which clusters can replicate the time machine data for backup or disaster recovery purposes. DAM policies help you to optimize the storage and network resources, as well as ensure the security and compliance of your database workloads. The purpose of DAM policies is not to register multiple Nutanix clusters in NDB, as this is done by using the Add Cluster option in the NDB settings page. The purpose of DAM policies is also not to perform snapshot operations on a single Nutanix cluster, as this is done by using the Time Machine feature in the NDB dashboard. The purpose of DAM policies is also not to remove data accessibility of a time machine across all registered Nutanix clusters in NDB, as this is done by using the Delete option in the Time Machine page. References:
* Nutanix Database Management & Automation Training Course, Module 6: Managing NDB Multi-Cluster, Lesson 2: Data Access Management Policies, Slide 3: Data Access Management Policies
* Nutanix Certified Professional - Database Automation (NCP-DB) 5 Exam, Section 6: Administer an NDB Environment, Objective 6.5: Apply procedural concepts to create Data Access Management (DAM) policies
質問 # 56
Era allows custom metadata to be assigned to entities (clones, time machines, databases, and database servers) by using which component?
- A. Notes
- B. Tags
- C. Text
- D. Index
正解：B
解説：
Nutanix Era allows custom metadata to be assigned to entities (clones, time machines, databases, and database servers) by using Tags. Tags are a component of Nutanix Era that allows users to assign custom metadata to various entities, enhancing the ability to organize, search, and manage these entities within the Era platform1.
質問 # 57
What two reference resources are available for Nutanix Era APIs? (Choose two.)
- A. Nutanix.dev API Reference
- B. Nutanix Support Portal
- C. Era GitHub API Repository
- D. Era API Explorer
正解：A、D
解説：
The Nutanix Era API documentation is available on the Nutanix.dev API Reference page12. This documentation outlines the operations that are possible with the Era APIs2. In addition to the API reference, the NutanixDev code samples repo provides working code that implements the practices shown in the documentation1. The Era API Explorer is another resource that provides a comprehensive view of the available APIs, allowing users to interactively explore and test the APIs. However, there is no mention of a specific "Era GitHub API Repository" or the "Nutanix Support Portal" being used as a reference resource for Nutanix Era APIs in the provided resources. Therefore, the correct answers are B. Nutanix.dev API Reference and C. Era API Explorer.
質問 # 58
An administrator has received a request to clone a source production database to an existing development server.
Which two actions must be taken to complete this task?
- A. The development server must have the IP and credentials provided during cloning.
- B. The development server must be authorized for the database Time Machine.
- C. The development server must be registered by Era in order to receive the clone.
- D. The development server must be registered by Era and authorized to host clones from the Time Machine.
正解：A、C
解説：
According to the Nutanix Database Automation (NCP-DB) Learning documents12, to clone a source production database to an existing development server, the following actions must be taken:
A: The development server must be registered by Era in order to receive the clone1. This is because Nutanix Era is a database management tool that manages the lifecycle of databases and their copies. Registering the development server with Era allows it to manage the database on that server.
D: The development server must have the IP and credentials provided during cloning2. This is necessary for Era to access the development server and perform the cloning operation. The IP address and credentials are used to establish a connection to the development server. Without these details, Era would not be able to access the server and perform the cloning operation.
質問 # 59
A customer has NDB configured to create snapshots of their production databases every 4 hours.
A developer requires a copy of the current production data at 7:00am of each day.
What is the most efficient way to meet this requirement?
- A. Configure a done with a daily Data Refresh Schedule at 7:00am.
- B. Run a script which creates a clone from the latest snapshot at 7:00am.
- C. Authorize the developer in RBAC to create clones as required.
- D. Configure Time Machine to create a clone from a daily snapshot at 7:00am.
正解：D
解説：
Time Machine is a feature of Nutanix Era that allows you to create and manage snapshots of your databases.
You can use Time Machine to create clones from any snapshot, either manually or automatically. You can also configure Time Machine to create clones from snapshots based on a schedule, such as daily, weekly, or monthly. This way, you can ensure that your clones are always up to date with the latest data from your production databases. In this scenario, the most efficient way to meet the developer's requirement is to configure Time Machine to create a clone from a daily snapshot at 7:00am. This will save the developer's time and effort, as well as reduce the storage consumption by using the existing snapshots. References:
* Nutanix Database Management & Automation Training Course
* Nutanix Certified Professional - Database Automation datasheet
* Nutanix Certified Professional - Database Automation (NCP-DB) 5 Exam
質問 # 60
Where would an administrator find the total space being used by all Era clones for a specific database?
- A. Under the Cloning widget on the Databases > Clones database summary page.
- B. On the Era Dashboard Database Summary Table under Clones.
- C. Under the Capacity widget on the Database Server VMS > List database summary page.
- D. On the Database > Overview dashboard.
正解：A
解説：
Nutanix Era leverages the Nutanix time-efficient snapshots to create the clones1. These database clones are highly space-efficient, consuming near-zero bytes by having only the further writes constituting to its size1.
Therefore, an administrator would find the total space being used by all Era clones for a specific database under the Cloning widget on the Databases > Clones database summary page. The other options do not specifically provide information about the total space used by all Era clones for a specific database. Therefore, the correct answer is A. Under the Cloning widget on the Databases > Clones database summary page.
質問 # 61
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?
- A. The SQL service account should not have read privileges on the mount points.
- B. SQL Server instance must be in single-user mode.
- C. The login account provided must be a member of the sysadmin role.
- D. Database files must exist in the Windows OS boot drive.
正解：C
解説：
Before registering a SQL Server Single Node Database Server VM with NDB, it is necessary that the login account provided for this task must be a member of the sysadmin role. This ensures the necessary permissions are in place for managing and administering the SQL Server instance.References:Nutanix Database Automation documentation, under SQL Server database registration and permission requirements.
質問 # 62
Which statement best describes what happens when a 3rd-party backup tool is chosen to manage log backups for Microsoft SQL in NDB?
- A. 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.
- B. 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.
- C. 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.
- D. 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
正解：D
解説：
NDB supports two modes of log backup management for Microsoft SQL databases: NDB-managed and
3rd-party managed. In the NDB-managed mode, NDB takes full control of the log backups and stores them in the Cerebro log location. In the 3rd-party managed mode, NDB allows the use of external backup tools to backup the logs from the database log destination. However, NDB still needs to capture the logs for its own operations, such as point-in-time recovery, clone refresh, and log catch-up. Therefore,NDB will periodically scan the database log destination and copy the logs to the Cerebro log location. This process requires that the log catch-up begins before the logs get backed up by the 3rd-party tool, otherwise NDB will miss some logs and the operations will fail. If the 3rd-party tool grants exclusive access to the logs, then NDB will not be able to capture them at all, and the operations will not be supported. References:
* Nutanix Database Management & Automation (NDMA) course, Module 5, Lesson 5.2 - Log Backup Management
* Nutanix Support & Insights, Nutanix NDB User Guide v2.5, Log Backup Management
質問 # 63
How long is the default continuous recovery for the Gold SLA in Era Time Machine?
- A. 15 days
- B. 90 days
- C. 30 days
- D. 60 days
正解：C
解説：
The default continuous recovery for the Gold SLA in Era Time Machine is 30 days1. This means that the system keeps a continuous recovery point for the last 30 days, allowing you to restore your database to any point within this period1.
質問 # 64
What feature of Era allows an administrator to create Time Machine policies in a Multi-Cluster configuration?
- A. Global Data Protection
- B. Global Service Level Agreement
- C. Time Machine Cloud Orchestration
- D. Data Access Management
正解：B
解説：
The Global Service Level Agreement (SLA) feature of Era allows an administrator to create Time Machine policies in a Multi-Cluster configuration1. This feature provides a unified way to manage and enforce backup and replication policies across multiple clusters, ensuring consistent data protection and recovery across the entire environment1.
質問 # 65
For an NDB offline upgrade, which NDB CLI command should be used to upload the upgrade bundle?
- A. path=path_to_upgrade_bundle
- B. path=path_to_upgrade_bundle upgrade bundle
- C. upload upgrade_bundle path=path_to_upgrade_bundle
- D. upgrade upload_bundle path=path_to_upgrade_bundle upload bundle
正解：C
解説：
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
質問 # 66
An administrator needs to provide the least-privilege access to a newly-hired engineer whose task is to add new VLANs or IP Pools in NDB.
Which role should the administrator select to complete this task?
- A. Database Infrastructure Administrator
- B. Database Administrator
- C. Super Administrator
- D. Infrastructure Administrator
正解：D
解説：
An Infrastructure Administrator is a role in NDB that has the permission to manage network and storage resources, such as VLANs, IP Pools, and Storage Containers. This role is suitable for the engineer who needs to add new VLANs or IP Pools in NDB. The other roles have either more or less privileges than required for this task. A Database Administrator can manage databases and database server VMs, but not network and storage resources. A Super Administrator can manage all aspects of NDB, but this is more than the least-privilege access needed. A Database Infrastructure Administrator can manage both databases and network and storage resources, but this is also more than the least-privilege access needed.
References: Nutanix Support & Insights, section "NDB Roles and Permissions"
質問 # 67
An administrator needs to perform patching on a MongoDB server cluster within an NDB environment.
How should the administrator accomplish this task?
- A. Perform a rolling upgrade, applying the patch to the primary member first, followed by the secondary members.
- B. Disable the replica set while patching.
- C. Apply the patch to all nodes at once.
- D. Perform a rolling upgrade, applying the patch to the secondary members first, followed by the primary member.
正解：D
解説：
The administrator should perform a rolling upgrade, applying the patch to the secondary members first, followed by the primary member, to accomplish the task of patching a MongoDB server cluster within an NDB environment. A rolling upgrade is a method of applying patches or updates to a cluster without downtime or interruption of service. The administrator can use the NDB patching feature to perform a rolling upgrade on a MongoDB server cluster, which consists of a primary member and one or more secondary members that form a replica set. The NDB patching feature allows the administrator to select the software profile version, the database parameters profile, and the network profile for the patching operation. The NDB patching feature also automates the steps of the rolling upgrade, such as:
* Step 1: The administrator initiates the patching operation on the NDB instance, and selects the MongoDB server cluster to be patched.
* Step 2: The NDB instance verifies the prerequisites and compatibility of the patching operation, and creates a pre-patch snapshot of the MongoDB server cluster.
* Step 3: The NDB instance applies the patch to the first secondary member of the MongoDB server cluster, and waits for the patching to complete successfully.
* Step 4: The NDB instance verifies the status and functionality of the patched secondary member, and repeats the patching process for the remaining secondary members of the MongoDB server cluster, one at a time.
* Step 5: The NDB instance performs a failover of the primary member to one of the patched secondary members, and applies the patch to the original primary member.
* Step 6: The NDB instance verifies the status and functionality of the patched primary member, and performs a failback of the primary member to the original primary member, if desired.
* Step 7: The NDB instance creates a post-patch snapshot of the MongoDB server cluster, and completes the patching operation.
Performing a rolling upgrade, applying the patch to the secondary members first, followed by the primary member, is the recommended and best practice method of patching a MongoDB server cluster within an NDB environment, as it ensures the high availability, consistency, and performance of the MongoDB server cluster and the databases.
Performing a rolling upgrade, applying the patch to the primary member first, followed by the secondary members, is not a valid or feasible method of patching a MongoDB server cluster within an NDB environment, as it would cause downtime, data loss, and inconsistency of the MongoDB server cluster and the databases. Applying the patch to the primary member first would disrupt the replication and synchronization of the MongoDB server cluster, and would require manual intervention and recovery steps to restore the MongoDB server cluster to a functional state.
Applying the patch to all nodes at once is not a valid or feasible method of patching a MongoDB server cluster within an NDB environment, as it would cause downtime, data loss, and inconsistency of the MongoDB server cluster and the databases. Applying the patch to all nodes at once would require shutting down the entire MongoDB server cluster, and would expose the MongoDB server cluster and the databases to potential errors, failures, and corruption during the patching process.
Disabling the replica set while patching is not a valid or feasible method of patching a MongoDB server cluster within an NDB environment, as it would cause downtime, data loss, and inconsistency of the MongoDB server cluster and the databases. Disabling the replica set while patching would break the replication and synchronization of the MongoDB server cluster, and would require manual intervention and recovery steps to re-enable the replica set and restore the MongoDB server cluster to a functional state.
References:
* Nutanix Database Management & Automation Training Course, Module 5: Nutanix Era Operations, Lesson 5.1: Nutanix Era Operations, slides 11-12, 15-16.
* Nutanix Database Management & Automation Training Course, Module 5: Nutanix Era Operations, Lesson 5.3: Nutanix Era Patching, slides 5-9.
* Nutanix Database Management & Automation Training Course, Module 5: Nutanix Era Operations, Lesson 5.4: Nutanix Era Patching Lab, slides 5-10.
* Nutanix Database Management & Automation Training Course, Module 7: Nutanix Era Troubleshooting, Lesson 7.1: Nutanix Era Troubleshooting, slide 6.
質問 # 68
Era allows custom metadata to be assigned to entities (clones, time machines, databases, and database servers) by using which component?
- A. Notes
- B. Tags
- C. Text
- D. Index
正解：B
解説：
Nutanix Era allows custom metadata to be assigned to entities (clones, time machines, databases, and database servers) by using Tags. Tags are a component of Nutanix Era that allows users to assign custom metadata to various entities, enhancing the ability to organize, search, and manage these entities within the Era platform1.
質問 # 69
An administrator was asked to change the snapshot schedule for a given database. The administrator discovered that the time machine is in a paused state.
How should the administrator change the schedule?
- A. Clone the Time Machine and define an appropriate schedule for the clone.
- B. Select Time Machine: Under actions Resume the Time Machine and then Update to define an appropriate schedule.
- C. Clone the database and define an appropriate schedule for the clone.
- D. Select the Time Machine; under Action select Update end define an appropriate schedule.
正解：D
解説：
According to the Nutanix Database Automation (NCP-DB) learning documents, an administrator can change the snapshot schedule for a given database by selecting the Time Machine, then under Action, select Update and define an appropriate schedule1. This is because the Time Machine in Nutanix Era allows you to specify the number of backups or snapshots the time machine should take, the time of day it takes those snapshots, and the day of the week it takes weekly or monthly backups1. These options help you build a complete schedule of time machine capture operations1. Even if the Time Machine is in a paused state, the administrator can still update the schedule1. Cloning the Time Machine or the database is not necessary for changing the snapshot schedule1.
質問 # 70
What step should be taken to make the profile available to all users:
- A. Create an Access Control group with the desired users and grant it the Database Admin role.
- B. Create an Access Control role with the Create Profile right and assign to all users.
- C. Update the profile and set available state to All.
- D. Update the profile and set the status to Published.
正解：C
解説：
The correct answer is D because it allows the administrator to make the profile available to all users without requiring any additional permissions or roles. A profile is a collection of settings that define how NDB manages a database server or a database. By default, a profile is only available to the user who created it and the Database Admin role. To make a profile available to all users, the administrator can update the profile and set the available state to All. This will enable all users to view and use the profile for their database operations.
The other options are not correct because they either require additional steps or do not achieve the desired outcome. Option A is not correct because creating an Access Control role with the Create Profile right and assigning it to all users will only allow them to create their own profiles, not use the existing one. Option B is not correct because creating an Access Control group with the desired users and granting it the Database Admin role will only make the profile available to those users, not all users. Option C is not correct because updating the profile and setting the status to Published will not change the availability of the profile, only the state of the profile. A published profile is a profile that has been tested and verified by the administrator and is ready for use. Adraft profile is a profile that is still under development or testing and is not ready for use. References: Nutanix Database Management & Automation (NDMA) course, Nutanix Certified Professional - Database Automation (NCP-DB) certification, Nutanix NCP-DB Certification Exam Syllabus and Study Guide, Nutanix Certified Professional - Database Automation (NCP-DB) datasheet
質問 # 71
What is causing this issue?
- A. TheVLANisDHCP
- B. The VLAN is static
- C. The VLAN is IPAM
- D. The VLAN is stretched
正解：D
解説：
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
質問 # 72
......
Nutanix NCP-DB 認定試験の出題範囲：
| トピック | 出題範囲 |
|---|---|
| トピック 1 |
|
| トピック 2 |
|
| トピック 3 |
|
厳密検証されたNCP-DB試験問題集と解答で無料提供のNCP-DB問題と正解付き：https://jp.fast2test.com/NCP-DB-premium-file.html