Pass the Nokia Certified NSP IP Network Automation Professional 4A0-AI1 Questions and answers with ExamsMirror

file actions are NSP actions that provide access to files and folders on the NSP server. The file actions can access all directories on the NSP server, but they are restricted by the permissions of the user who runs them. For example, if a file action is run by a user who does not have write permission to a directory, the action will fail.

The {{…}} syntax is used to reference a workflow variable when using Jinja2. Jinja2 is a templating language used to generate dynamic text based on input variables, and the {{…}} syntax is used to access the value of a workflow variable within a Jinja2 template. The other syntaxes provided are not valid for referencing workflow variables in Jinja2.

This system action allows you to pause a workflow and prompt the user for input. You can use this action to confirm or deny a course of action, or to enter some data that isrequired for the workflow1. For example, you can use nsp.user_input to ask the user if they want to continue with a service deployment or rollback.

The other options are not correct because:

std.sleep is a standard Python function that pauses the execution of a script for a specified number of seconds2.

nsp.wait is a system action that waits for an event or condition to occur before resuming the workflow1. For example, you can use nsp.wait to wait for a service activation status change or a network element alarm.

nsp.pause_before is not a valid system action. There is no such action defined in the NSP documentation1.

According to the Nokia NSP Workflow Manager Application Help2, Workflow Manager has the following characteristics:

It provides several building tools to design and create new workflows. You can use graphical editors, text editors, or import existing workflows from files or repositories.

It uses Openstack Mistral as the core workflow engine. Mistral is an open source project that provides a service for managing workflows across multiple cloud platforms.

It supports scheduling of workflow executions. You can use cron expressions or triggers to specify when and how often a workflow should run.

It supports parallel execution of many workflows. You can run multiple workflows simultaneously on different network elements or services.

Therefore, based on these sources, the correct answer is:

B. It uses Openstack Heat as the core workflow engine.

This is FALSE because Workflow Manager uses Openstack Mistral, not Heat, as the core workflow engine. Heat is another open source project that provides a service for orchestrating multiple cloud applications using templates.

The other statements are TRUE because:

A. It provides several building tools to design and create new workflows. This allows you to create workflows that suit your specific network needs and preferences.

C. It supports scheduling of workflow executions. This allows you to automate recurring network tasks and optimize network performance and availability.

D. It supports parallel execution of many workflows. This allows you to handle complex network scenarios and operations efficiently and effectively.