Nokia 4A0-AI1 - Nokia NSP IP Network Automation Professional Composite Exam

According to the NSP Network Services Platform Release 20.6 Intent Manager Application Help1, an intent type consists of four components: general metadata, target, YANG model and script. The metadata in the meta-info.Json file appears in the General and Resources panels of the Edit Intent Type window

Intent is a high-level description of the desired outcome or state of the network. It allows users to specify what they want to achieve rather than how to achieve it. The intent is then translated into network configurations and policies that are used to configure the network infrastructure. Intent-based networking provides a higher level of abstraction than traditional network configuration methods, making it easier for users to specify their requirements and automate the configuration process.

Comparing the actual and desired state of a network and taking action if they are not in sync. Intent-based networking is a method of managing a network by defining the intent of the network and then continuously comparing the actual and desired state of the network. If the two states are not in sync, the system will take action to bring the actual state in line with the desired one. This is different from manual processes of configuring networks or reacting to network issues. It also differs from dynamically changing the network infrastructure in real-time through one centralized location, or automatic discovery of cross domain links between IP and optical networks.

According to the Mistral Workflow Language (v2) documentation1, which is one of the technologies that can be used in a NSP workflow2, with-items is a task property that allows the action associated with a task to be run multiple times over a list of items1. The syntax for using with-items is:

task_name:

action:

input:

:<%item()%>

with-items:itemin

You need to replace , , and  with your desired values. You can also use other properties such as concurrency, retry, or count to control how many iterations are executed in parallel, how many times an iteration is retried if it fails, or how many times an iteration is executed respectively1.

SDN does not provide any advantage in terms of having network elements operate autonomously. The other three options are all advantages of SDN over traditional networks.

Network elements operating autonomously is NOT an advantage of Software-defined Networks (SDN) over traditional networks. SDN aims to centralize control plane operations and provide a global view of the network's state, enabling more efficient and flexible network management. By decoupling the control plane from the data plane, SDN separates the management logic from the forwarding hardware, allowing for centralized and programmable network control.

some of the advantages of Software-defined Networks (SDN) over traditional networks are:

Traffic programmability

Agility

Policy-driven network supervision

Network automation

Centralized controller operations

Decoupling of control plane from data plane

Global view of network’s state

The main sections of an abstract YANG module file are arguments and statements.

An argument is a string that provides additional information about a statement. A statement is a keyword followed by an argument and optionally enclosed by braces ({ }) containing substatements.

For example, an abstract YANG module file could start with:

module ibn-intent { namespace “urn:nokia.com:ibn:intent”; prefix ibn;

This defines the module name, namespace and prefix as arguments for the module, namespace and prefix statements respectively.

The correct answer is B. Fault Management API. The Fault Management API can be used to identify the root cause(s) of issues in the network, such as hardware or software faults, configuration errors, and other problems. It provides a unified interface to receive and analyze fault information from multiple network elements.

The API that can identify the root cause(s) of issues in the network is the Fault Management API. This API allows network operators to monitor network faults and events in real-time, and diagnose and resolve issues quickly and efficiently. It provides information about the root cause(s) of the fault and the affected network elements, as well as enabling automated fault handling and resolution.

 a Kafka topic is a channel where publishers (producers) publish data and where subscribers (consumers) receive data. A topic represents a stream of messages of a particular category. 

In Kafka, a topic represents a stream of messages of a particular category or type. Producers publish messages to a specific topic, and consumers subscribe to and read messages from topics. Brokers are responsible for managing topics and ensuring that messages are distributed efficiently across the cluster.

Kafka is a distributed messaging system that is open-source and can be used to send real-time notifications. However, it has more than four components, such as brokers, partitions, replicas, consumer groups and zookeeper. 

the input that is optional when using the std.ssh action is cmd. This parameter specifies the command to be executed on the remote server1. If this parameter is not provided, the action will only establish an SSH connection with the remote server and return its output1. The other parameters are required to authenticate and connect to the remote server.