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Nutanix NCP -MCA（Certified Professional -Multicloud Automation）認定試験は、マルチクラウド環境の展開、管理、自動化に関心のあるIT専門家のスキルと知識をテストするために設計されています。この試験では、Nutanixテクノロジーを使用して、自動化、オーケストレーション、アプリケーションライフサイクル管理など、ハイブリッドおよびマルチクラウドの展開を管理する機能を検証します。この認定は、クラウドコンピューティングでキャリアを進め、Multicloud Automationの専門家になりたいITの専門家に最適です。
Nutanix Certified Professional - Multicloud Automation (NCP-MCA 6.10) 認定 NCP-MCA 試験問題 (Q88-Q93):
質問 # 88
An administrator did not specify scripts under any of the Stop service-level actions, so the system didn't generate any orchestration edges.
What should the administrator do to prevent this?
正解：C
解説：
When scripts are not specified under the Stop service-level actions, the system does not generate orchestration edges automatically. To prevent this issue, the administrator should manually update all system-defined actions. This involves defining the necessary scripts or actions to ensure proper orchestration and dependencies are in place.
References:
* Nutanix documentation on Service-Level Actions.
* Nutanix Best Practices for Orchestration Management.
質問 # 89
An end user for an application that has been assigned the Consumer role within the project has noticed multiple issues with a blueprint that need to be addressed. The decision has been made to bring the end user onto the team to be able to modify the blueprints for this project.
Using the concept of least privilege, what role should the end user be assigned?
正解：C
解説：
The Developer role is the most appropriate role for the end user who needs to modify the blueprints for the project. The Developer role allows the user to create, edit, and delete blueprints and runbooks within the project, as well as launch and manage applications from the Marketplace. The Developer role does not have the privileges to create or manage projects, users, roles, or categories, which are reserved for the Project Admin role. The Consumer role only allows the user to launch and manage applications from the Marketplace, but not to modify the blueprints or runbooks. The Operator role allows the user to monitor and manage the infrastructure and applications within the project, but not to create or edit the blueprints or runbooks.
References:
* Nutanix Certified Professional - Multicloud Automation (NCP-MCA) v6.5, Section 1 - Describe and Differentiate Automation Concepts and Principles, Objective 1.5 - Identify the capabilities of Projects
* Nutanix Multicloud Automation Administration (NMCAA), Module 3 - Self-Service Projects, Lesson
* 3.1 - Project Roles and Permissions
質問 # 90
An administrator has a Linux VM that does batch processing out of a queue. Currently, a technician connects to the VM console and runs a command on the VM to initiate or terminate the batch processing application, as there is no programmatic interface for the application.
The application is processor intensive, so it should only run outside of business hours. The VM has the ability to send REST API calls to Prism.
How should the administrator configure a Playbook to satisfy the needs of this process with minimal external interaction?
正解：A
解説：
A Playbook is a collection of tasks that can be executed based on a trigger, such as a time, a webhook, or a manual action. A Playbook can be used to automate workflows across different systems and services, such as Nutanix Prism, VMs, hosts, and external APIs. A Playbook can also use variables, conditions, and loops to customize the execution logic and data.
In this scenario, the administrator wants to automate the batch processing application on the Linux VM, which can only be controlled by a command on the VM console. The application should run only outside of business hours, and the VM should send REST API calls to Prism to report its status.
The best way to configure a Playbook for this process is to use a Time Trigger, which allows the administrator to specify a schedule for the Playbook execution, such as daily, weekly, or monthly. The Time Trigger can also be configured to run only on certain days or hours, such as weekdays or nights. This way, the administrator can ensure that the Playbook runs only outside of business hours, without requiring any manual intervention.
The Playbook should then have two VM SSH tasks, one to initiate the batch processing application, and one to terminate it. A VM SSH task is a task that executes a command or script on a target VM using SSH. A VM SSH task can be used to control applications or services that do not have a programmatic interface, such as the batch processing application in this scenario. The VM SSH task can also use variables to pass data to or from the command or script, such as the VM name, IP address, or output.
The Playbook should also have a Wait for Some Time task, which is a task that pauses the Playbook execution for a specified duration or until a condition is met. A Wait for Some Time task can be used to ensure that the batch processing application has enough time to complete its work, or to wait for a certain event or state to occur, such as a file creation, a service status, or a VM power state.
The Playbook should also have two REST API tasks, one before and one after the Wait for Some Time task. A REST API task is a task that executes an HTTP request to a specified URL, with optional headers, body, and authentication. A REST API task can be used to interact with external systems or services that expose an API, such as Nutanix Prism inthis scenario. The REST API task can also use variables to pass data to or from the HTTP request, such as the VM name, IP address, or response.
The REST API tasks should be configured to send the VM status to Prism, such as the start and end time of the batch processing, the CPU and memory usage, or the output of the application. This way, the administrator can monitor and manage the VM and the application from Prism, without having to connect to the VM console.
The Playbook configuration should look something like this:
* Time Trigger: Set the schedule to run daily, only on weekdays, and only at night (e.g., 10 PM to 6 AM).
* VM SSH: Set the target VM to the Linux VM, and set the command or script to initiate the batch processing application (e.g., ./batch.sh start).
* REST API: Set the URL to the Prism API endpoint, and set the HTTP method, headers, body, and authentication as required. Use variables to pass the VM name, IP address, and start time of the batch processing to the HTTP request (e.g., {"vm_name": "{{vm_name}}", "vm_ip": "{{vm_ip}}",
"start_time": "{{start_time}}"}).
* Wait for Some Time: Set the duration to the expected time for the batch processing to finish, or set a condition to wait until a certain event or state occurs (e.g., wait until file /tmp/batch.done exists).
* REST API: Set the URL to the Prism API endpoint, and set the HTTP method, headers, body, and authentication as required. Use variables to pass the VM name, IP address, end time, and output of the batch processing to the HTTP request (e.g., {"vm_name": "{{vm_name}}", "vm_ip": "{{vm_ip}}",
"end_time": "{{end_time}}", "output": "{{output}}"}).
* VM SSH: Set the target VM to the Linux VM, and set the command or script to terminate the batch processing application (e.g., ./batch.sh stop).
References:
https://www.nutanix.com/content/dam/nutanix/resources/datasheets/ds-ncp-mca-6-5.pdf
https://www.nutanix.com/content/dam/nutanix/resources/support/ds-ncp-mca.pdf
質問 # 91
Refer to the exhibit.
A subset of Linux VMs are required to be gracefully shutdown each evening. A Playbook is created to shutdown the targeted VMs, however the error message shown in the exhibit is displayed when the Playbook is executed.
What is causing the error message?
正解：C
解説：
According to the Nutanix Multicloud Automation Administration (NMCAA) course1, one of the prerequisites for using X-Play to automate tasks on VMs is to have SSH enabled and configured on the target VMs. This allows X-Play to connect to the VMs and execute commands or scripts remotely. If the SSH service is not running on the VMs, then X-Play will fail to connect and perform the actions, resulting in the error message shown in the exhibit. The other options are not likely to cause this error, as they are either unrelated to X-Play (A and B) or not required for X-Play to work. References: Nutanix Multicloud Automation Administration (NMCAA) course
質問 # 92
What is a prerequisite to configuring and using resource quota limits within a project?
正解：B
解説：
To configure and enforce resource limits within a Nutanix Self-Service (formerly Calm) project, the specific governance component known as thePolicy Enginemust be active.2 According to the Self-Service Administration and Operations Guide regarding thePolicy Engine and Quotas Overview:
* Enabling the Policy Engine:You enable and use the policy engine to enforce resource quota policies for infrastructure resources (compute, memory, and storage) on Nutanix and VMware accounts.3
* Prerequisite status:Until the policy engine is enabled in the Admin Center Settings, Prism Central cannot perform any quota checks or validation on resource consumption.4
* Availability:The options to define resource quota limits (such as vCPU, Memory, and Disk fields in the Project configuration)appear only when you enable the policy enginein your Prism Central instance.
5If the policy engine is not enabled, the Quota section in the Projects pages remains unavailable.6
質問 # 93
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