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NCP-DB試験ガイドは、ビジネスマンであろうと学生であろうと、すべての人に適しています。試験に参加するには、20〜30時間で練習できます。あなたが素晴らしい成績をとれることは間違いありません。私たちの学習ペースに従えば、予想外の驚きがあります。当社のNCP-DBガイドトレントを選択した場合にのみ、この重要な試験に合格し、NCP-DB試験の準備に関するまったく新しい経験を得ることが容易になります。
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 |
- Describe NDB Concepts: It defines database and NDB terminology. The topic also explains benefits and features of NDB.
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| トピック 2 |
- Protect NDB-managed Databases Using Time Machine: SLA retention policies, source databases, clones, protection of databases, and Data Access Management (DAM) policies are discussed in this topic.
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| トピック 3 |
- 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.
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>> NCP-DBウェブトレーニング <<
更新するNCP-DBウェブトレーニングと権威のあるNCP-DBトレーニング資料
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Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 認定 NCP-DB 試験問題 (Q81-Q86):
質問 # 81
An administrator has been asked to patch several Nutanix database server VMs. Prior to patching, what should the administrator configure?
- A. Active Directory Access
- B. pulse
- C. A Repository
- D. An SMTP Server
正解：C
解説：
Before patching several Nutanix database server VMs using the "Patch OS now" feature in NDB, the administrator must configure a Repository. A repository (e.g., a custom patch repository or Nutanix-provided source) contains the OS updates or patches (e.g., for Windows or Red Hat-based systems). NDB requires this repository to be specified to fetch and apply the patches, ensuring the database VMs are updated from a validated source.
Other options are unrelated to patching:
* B. Active Directory Access: Used for authentication, not patching.
* C. pulse: Refers to Nutanix Pulse for support, not patch configuration.
* D. An SMTP Server: Configured for alerts, not patching.
Thus, the verified answer is A, reflecting the patching prerequisite.
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: "Configuring Patch Repositories" section.
質問 # 82
What are the three severity levels displayed under the Alert dashboard?
- A. Failed, Warning, Stopped
- B. Failed, Warning, Error
- C. Critical, Warning Info
- D. Critical. Waiting, Failed
正解：C
解説：
The Alerts dashboard in Nutanix displays alert messages with three severity levels: Critical, Warning, and Info1. These severity levels help users understand the importance and urgency of each alert, allowing them to prioritize their responses accordingly1.
質問 # 83
Which two ports can be used by external applications to make API calls to Era? (Choose two.)
正解：A、B
解説：
Nutanix Era is a database management system that provides API endpoints for automation and integration with external applications. These API calls are typically made over HTTPS for security, and the standard ports for HTTPS are 443 and 94401. Please note that the actual ports used can depend on the specific configuration of the Nutanix Era system. It's always a good idea to check the system's documentation or consult with the system administrator for the most accurate information.
質問 # 84
How would an administrator enter the NDB command line to change the static IP address on the NDB VM?
- A. cerebro_cli
- B. era-server
- C. era
- D. arithmos cli
正解：A
解説：
To change the static IP address on the NDB VM, an administrator would need to enter the NDB command line using the cerebro_cli command. The cerebro_cli command is used to access the Cerebro service, which is responsible for managing the NDB instance and its components. The cerebro_cli command can be run from the NDB VM or from any other VM that has network connectivity to the NDB VM. The cerebro_cli command has various subcommands and options to perform different tasks, such as changing the IP address, hostname, password, or certificate of the NDB VM. To change the static IP address, the administrator would need to use the cerebro_cli network update subcommand with the appropriate parameters, such as the new IP address, netmask, gateway, and DNS servers. The cerebro_cli network update subcommand also requires the administrator to provide the current password of the NDB VM for authentication. After changing the IP address, the administrator would need to restart the NDB VM for the changes to take effect. References:
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Section 2 - Deploy and Configure an NDB Solution, Objective 2.2: Configure an NDB Instance
* Nutanix Database Management & Automation (NDMA) Course, Module 3: Nutanix Database Service (NDB) Installation and Configuration, Lesson 3.2: Configuring NDB, Topic: Changing the IP Address of the NDB VM
* Nutanix Database Service (NDB) Command Line Interface Guide, Chapter 2: Cerebro CLI, Section:
cerebro_cli network update
質問 # 85
An administrator needs to provision a PostgreSQL cluster instance with an external Load Balancer. Which software can be omitted on the Reference VM while creating the Software Profile?
- A. keepalived
- B. etcd
- C. HAProxy
- D. Patron
正解：C
解説：
When provisioning a PostgreSQL cluster instance with an external load balancer in NDB, the administrator creates a software profile from a reference VM. The reference VM typically includes software like Patroni (for HA management), HAProxy (for internal load balancing), keepalived (for high availability IP management), and etcd (for distributed configuration). Since an external load balancer is used, the internal HAProxy can be omitted from the reference VM. NDB will rely on the external load balancer to distribute traffic, eliminating the need for HAProxy in the software profile, while the other components remain essential for cluster management.
* Option A (Patroni) is incorrect because Patroni is required for PostgreSQL HA management.
* Option B (HAProxy) is correct as it can be omitted when an external load balancer is configured.
* Option C (keepalived) is incorrect because keepalived is needed for HA IP failover.
* Option D (etcd) is incorrect because etcd is necessary for distributed configuration in the cluster.
This adjustment streamlines the profile for external load balancer use.
References
* Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Software Profiles, Section:
Creating Software Profiles for HA Instances
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Blueprint, Section 4: Manage Database Software Profiles
質問 # 86
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