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Nokia 4A0-AI1 (Nokia NSP IP Network Automation Professional Composite) Certification Exam is a highly sought-after certification exam for professionals looking to enhance their knowledge and skills in the field of IP network automation. Nokia NSP IP Network Automation Professional Composite Exam certification is designed to validate the expertise of individuals in the Nokia Service Router Operating System (SROS) and Network Services Platform (NSP) technologies, which are widely used in today's IP networks. Nokia NSP IP Network Automation Professional Composite Exam certification exam covers a range of topics, including network automation, scripting, routing protocols, MPLS, and VPN technologies, among others.
NEW QUESTION # 42
Which of the following scripting languages can be used to extend WFM actions and expressions?
- A. PHP
- B. Python
- C. Perl
- D. Groovy
Answer: D
Explanation:
Explanation
According to the Nokia NSP Programmable Network Automation website , NSP API documentation and downloadable sample codes are available on the Nokia Network Developer Portal. The NSP Workflow Manager allows the design and management of workflows to automate network operations using Mistral DSL v2 which is based on YAML2. YAML definesexpressions in workflow and action definitions. The formatting of the YAML must comply with Mistral DSL v2 specifications3
NEW QUESTION # 43
What task does Apache FreeMarker perform?
- A. It instantiates templates.
- B. Allows communication between NSP applications
- C. Separates the configuration and data states
- D. Transports YANG data
Answer: A
Explanation:
Explanation
Apache FreeMarker is a templating language used to create dynamic webpages. It is designed to separate the configuration and data states, allowing the template to have a consistent look and feel across all webpages.
FreeMarker allows the template to instantiate the data, allowing the template to be reused in different contexts.
It does not allow communication between NSP applications or transport YANG data.
NEW QUESTION # 44
Which of the following statements about NSP APIs is FALSE?
- A. They help with the definition and activation of network services.
- B. They allow for an OSS and NSP server to talk to each other.
- C. They allow for supervision of network elements.
They support REST/RESTCONF, SOAP/XML and GraphQlll1
Answer: A
Explanation:
Explanation
NSP APIs allow for supervision of network elements, help with the definition and activation of network services, and allow for an OSS and NSP server to talk to each other. However, they do not support GraphQL, which is a query language for APIs.
According to Nokia NSP IP Network Automation Professional guide, NSP APIs support REST/RESTCONF, SOAP/XML and GraphQlll, and help with the definition and activation of network services, and they also allow for supervision of network elements and an OSS and NSP server to talk to each other. Therefore, statement B is false as it states that NSP APIs support Kafka which is not mentioned in the guide as a supported API.
NEW QUESTION # 45
How long is the system token valid before expiring?
- A. Configurable
- B. 60 minutes
- C. Never expires
- D. 24 hours
Answer: B
Explanation:
Explanation
a system token is a string that is used to authenticate requests to the NSP REST API. A system token can be obtained by sending a POST request to the /token endpoint with a valid username and password1. a system token is valid for 60 minutes before expiring. After expiration, a new system token must be obtained by repeating the authentication process2.
NEW QUESTION # 46
Which of the following allows the Intent Manger to communicate with network elements being managed by SNMP?
- A. MDC mediator
- B. NSP mediator
- C. Generic mediator
- D. NFM-P mediator
Answer: C
Explanation:
Explanation
Intent Manager to communicate with network elements that are not directly supported by NSP12. A generic mediator can use SNMP or other protocols to interact with network elements.
NEW QUESTION # 47
Which of the following statements about the NSP Kafka service is FALSE?
- A. It uses NETCONF based operations and YANG models.
- B. It allows an API client to subscribe to different event types.
- C. It is a distributed messaging system.
- D. It allows an API client to receive event or alarm notifications.
Answer: A
Explanation:
Explanation
The NSP Kafka service is a distributed messaging system that allows different applications to publish and subscribe to different event types. It provides an API client to receive event or alarm notifications and subscribe to different event types. However, it does not use NETCONF based operations and YANG models.
Instead, it uses the Kafka protocol to send and receive messages between producers and consumers.
NEW QUESTION # 48
Which of the following operations CANNOT be performed on an Intent?
- A. Audit
- B. Synchronize
- C. Mark as misaligned
- D. Phase-out
Answer: D
Explanation:
Explanation
some of the operations that can be performed on an Intent are:
* Create
* Synchronize
* Audit
* Update
* Delete
Therefore, based on this source, the answer that CANNOT be performed on an Intent is C. Phase-out.
NEW QUESTION # 49
Which feature can be used to make a workflow portableif the workflow needs to be executed on either a development or production lab)?
- A. Environments
- B. Conditional transactions
- C. Joining
- D. Forking
Answer: A
Explanation:
Explanation
a workflow can use environments to make it portable if the workflow needs to be executed on either a development or production lab. Environments are files that contain key-value pairs that can be used as input parameters for workflows1. Environments allow workflows to be executed with different settings without modifying the workflow definition
NEW QUESTION # 50
Which input is optional when using the std.ssh action to access a remote server?
- A. username
- B. host
- C. cmd
- D. password
Answer: C
Explanation:
Explanation
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.
NEW QUESTION # 51
Which of the following data encoding/decoding formats is NOT supported by the Workflow Manager?
- A. YAML
- B. BER
- C. CSV
- D. JSON
Answer: B
Explanation:
Explanation
Workflow Manager is a tool that allows users to design and execute workflows for network automation using NSP actions and expression functions. The Workflow Manager supports data encoding/decoding formats such as JSON, CSV, XML and Base64. However, it does not support BER (Basic Encoding Rules), which is a format used for encoding data structures for transmission or storage.
NEW QUESTION # 52
Which of the following is NOT an Intent Type life-cycle state?
- A. Draft
- B. Phased-Out
- C. Created
- D. Released
Answer: C
Explanation:
Explanation
Intent Types have four life-cycle states: Draft, Released, Phased-Out, and Deleted. The Created state is not a life-cycle state for Intent Types; instead, it is an intermediate state used to create an Intent before it is moved to a life-cycle state.
NEW QUESTION # 53
Which of the following can only be viewed by making a RESTCONF call to query an existing intent?
- A. template-mappings
- B. ibn:intent model
- C. abstract YANG model
- D. metadata
Answer: A
Explanation:
Explanation
The template-mappings can only be viewed by making a RESTCONF call to query an existing intent.
The template-mappings are a set of key-value pairs that map the abstract YANG model attributes to concrete NFM-P templates and parameters. They are not exposed in the UI or the ibn:intent model, but they are stored internally in the NSP database.
For example, a template-mapping could be: /network=IP/service=VPN -> nsp-ip-vpn-template.
NEW QUESTION # 54
Which API can identify the root cause(s) of issues in the network?
- A. Fault Management API
- B. Telemetry API
- C. Service Fulfilment API
- D. Subscription management
Answer: A
Explanation:
Explanation
The correct answer is 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.
NEW QUESTION # 55
What are the two main functionalities of the NSP REST API gateway services?
1. Versioning model
2. Create subscriptions
3. Location services
4. Authentication and termination services
- A. 1 and 4
- B. 2 and 3
- C. 1 and 2
- D. 3 and 4
Answer: A
Explanation:
Explanation
the NSP REST Gateway API provides the entry point for API clients to locate and authenticate REST client requests to gain access to the various NSP modules that have registered API services.
NEW QUESTION # 56
Which of the following commands allows the action associated with a task to be run multiple times over a list of items?
- A. concurrency
- B. count
- C. retry
- D. with-items
Answer: D
Explanation:
Explanation
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:<action_name>
input:
<input_name>:<%item()%>
with-items:itemin<list>
You need to replace <action_name>, <input_name>, and <list> 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.
NEW QUESTION # 57
Which of the following NSP API types provides location services?
- A. XML
- B. REST
- C. SOAP
- D. RESTCONF
Answer: B
Explanation:
Explanation
location services are part of the NSP REST API, which provides a full list of NSP REST API service names, endpoints and URLs. Therefore, correct answer is A. REST Reference:
https://www.nokia.com/networks/training/nsp/self-paced/programmable-network-automation/
https://documentation.nokia.com/cgi-bin/dbaccessfilename.cgi/3HE12075AAACTQZZA01_V1_NSP%2017.6%
NEW QUESTION # 58
Which of the following statements does NOT applyto YANG modules?
- A. Requires proprietary MIBS
- B. Provides separation of configuration and state data
- C. Uses NETCONF and RE5TCONF to transport data
- D. Consists of containers and leaves
Answer: A
Explanation:
Explanation
YANG modules do not require proprietary MIBS. YANG modules are used to define the structure and content of a network configuration and are written in a structured language that consists of containers and leaves.
YANG modules are used in conjunction with NETCONF and RESTCONF to transport data, and they provide a separation of configuration and state data.
NEW QUESTION # 59
Match the following description with its meaning.
X - "uses Playbooks, written in simple YAML, that defines server configuration." Y - "workflow service that aims to provide a way to define, manage, and execute tasks and workflows in the cloud without writing code.'' Z - "a detailed specification for the desired network configuration.'' W - "an application that allows the creation of complex operational workflows using an intuitive GUI.''
- A. X - Ansible
Y - Openstack Mistral
Z - NSP Workflow Manager (WFM)
W - Intent type - B. X - Openstack Mistral
Y - Ansible
Z - Intent type
W - NSP Workflow Manager (WFM) - C. X - Ansibie
Y - Openstack Mistral
Z - Intent type
W - NSP Workflow Manager (WFM) - D. X - NSP Workflow Manager (WFM)
Y - Openstack Mistral
Z - Intent type
W - Ansible
Answer: D
NEW QUESTION # 60
Which of the following is NOT a benefit of ZTP?
- A. Lowers overall time for network rollout
- B. Increases network throughput
- C. Optimizes costs
- D. Minimizes the amount of commands typed
Answer: B
Explanation:
Explanation
The option that is NOT a benefit of ZTP (Zero Touch Provisioning) is:
Increases network throughput.
ZTP is a network device deployment method that automates the initial configuration process of network devices, eliminating the need for manual intervention. The benefits of ZTP include:
Lowers overall time for network rollout C. Optimizes costs D. Minimizes the amount of commands typed ZTP is a method of setting up devices that automatically configures the device using a switch feature. Another source2 mentions that ZTP helps IT teams quickly deploy network devices in a large-scale environment, eliminating most of the manual labor involved with adding them to a network. A third source3 explains that ZTP uses Cisco Plug and Play (Cisco PnP) to verify devices and perform downloads over a secure, encrypted channel.
NEW QUESTION # 61
Which of the following statements about Kafka is FALSE?
- A. It has four components: Producer, Consumer, Topic and Connector.
- B. It is used to send real-time notifications.
- C. It is a distributed messaging system.
- D. It is an open-source platform.
Answer: A
Explanation:
Explanation
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.
NEW QUESTION # 62
Which of the following is NOT an advantage of Software-defined Networks (SDN) over traditional networks?
- A. Centralized controller operations
- B. Network elements operating autonomously
- C. Decoupling of control plane from data plane
- D. Global view of network's state
Answer: B
Explanation:
Explanation
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
NEW QUESTION # 63
Which of the following configures the network based on input provided by the user?
- A. Framework files
- B. Intent
- C. Intent Type
- D. YANG module
Answer: B
Explanation:
Explanation
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.
NEW QUESTION # 64
Which of the following is NOT part of the Augmented Assurance features provided by the NSP?
- A. On-demand OAM testing
- B. Sorting NEs by highest severity issues
- C. Intelligent visualization
- D. Commissioning of equipment
Answer: D
Explanation:
Explanation
Augmented Assurance is a feature that provides "extended automated network operations" with "open APIs and no-code customizable workflows". Another source2 mentions that NSP offers "automated repetitive tasks and complex workflows" to reduce operating costs.
The Augmented Assurance features provided by the NSP (Nokia Network Services Platform) include:
Sorting NEs by highest severity issues Intelligent visualization D. On-demand OAM testing
NEW QUESTION # 65
Which of the following is the proper FULL syntax to describe a workflow task using the std.hrtp action to access a url using the GET method?
A)
B)
C)
D)
- A. Option D
- B. Option C
- C. Option A
- D. Option B
Answer: C
NEW QUESTION # 66
Which of the following files contains all the back end implementations required for Intent configurations to be performed?
- A. util.js
- B. script-content.js
- C. yang-patch.json
- D. meta-info.json
Answer: B
Explanation:
Explanation
The script-content.js file contains all the back end implementations required for Intent configurations to be performed.
The script-content.js file is a JavaScript file that defines the logic for creating, updating, deleting and synchronizing intents. It also defines the validation rules and error handling mechanisms for intents.
For example, a script-content.js file could contain:
function createIntent(intent) { // logic for creating an intent }
function updateIntent(intent) { // logic for updating an intent }
NEW QUESTION # 67
......
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