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4A0-AI1 Exam with Guarantee Updated 82 Questions
Nokia 4A0-AI1 exam is a professional composite exam that tests the skills and knowledge of network professionals in the area of Nokia NSP IP network automation. 4A0-AI1 exam is designed to validate the skills and expertise of individuals in automating and managing networks using Nokia NSP tools and technologies.
Passing the Nokia 4A0-AI1 Certification Exam demonstrates that a professional has the necessary skills and knowledge to automate network operations using Nokia NSP. This can lead to career advancement opportunities, as well as increased confidence in the ability to design and implement effective network automation solutions. Additionally, the certification can enhance a professional's reputation in the industry and increase their credibility with customers and colleagues.
NEW QUESTION # 24
Which of the following is NOT a building block of NSP automation?
- A. Terminal emulation configuration
- B. Model-driven mediation
- C. Multi-vendor support
- D. Analytics & telemetry
Answer: A
Explanation:
Explanation
Terminal emulation configuration is not one of the building blocks of NSP automation. The building blocks of NSP automation are Model-driven mediation, Analytics & telemetry, Multi-vendor support and Automation scripting. Model-driven mediation enables the automation of common tasks across multiple vendors and devices, and analytics & telemetry enables the gathering of critical data to ensure service quality. Multi-vendor support enables the automation of tasks across multiple vendors, and automation scripting enables the development of robust and secure automation scripts.
NSP automation is based on four key building blocks:
* Model-driven mediation: This enables NSP to communicate with various network devices and protocols using a common data model and abstraction layer. It supports YANG models, NETCONF, RESTCONF, SNMP, TL1 and CLI2.
* Analytics & telemetry: This enables NSP to collect and analyze network data using streaming telemetry, SNMP polling, syslog and other methods. It supports various analytics applications such as Network Insight, Service Assurance and Traffic Engineering
* Multi-vendor support: This enables NSP to manage and automate networks that consist of devices from different vendors and technologies. It supports Nokia SROS devices as well as third-party routers, switches and optical equipment
* Programmable APIs: This enables NSP to expose its functionality and data to external applications or systems using RESTful APIs. It supports various use cases such as network supervision, service fulfillment, fault management and workflow management
NEW QUESTION # 25
Which of the following is NOT supported by the Workflow Manager out of the box?
- A. REST/RESTCONF APIs
- B. Shell command execution
- C. Optical integration using TL1
- D. CLI command execution on SROS and third party routers
Answer: B
Explanation:
Explanation
Workflow Manager is a module of Nokia NSP that allows users to create and execute automated procedures and closed loop automation using Nokia NSP or third party APIs . It uses Mistral as the workflow engine and supports various technologies that can be used in a workflow Some of the technologies that are supported by Workflow Manager out of the box are:
* REST/RESTCONF APIs
* CLI command execution on SROS and third party routers
* Optical integration using TL1
* SNMP traps
* Email notifications
NEW QUESTION # 26
Which of the following is NOT a characteristic of Infrastructurelure Intents?
- A. System security
- B. Policy management
- C. L2/L3 VPN configuration of multiple services
- D. Initial hardware configuration
Answer: C
Explanation:
Explanation
Infrastructure Lure Intents are a type of Network Intent that describe how network resources should be allocated and configured for a specific service or application.
L2/L3 VPN configuration of multiple services is NOT a characteristic of Infrastructure Lure Intents, because it is more related to service provisioning than resource allocation.
NEW QUESTION # 27
Which of the following data encoding/decoding formats is NOT supported by the Workflow Manager?
- A. YAML
- B. BER
- C. JSON
- D. CSV
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 # 28
Which of the following is NOT an advantage of Software-defined Networks (SDN) over traditional networks?
- A. Network elements operating autonomously
- B. Centralized controller operations
- C. Global view of network's state
- D. Decoupling of control plane from data plane
Answer: A
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 # 29
Which of the following statements about the NSP Workflow Manager is FALSE?
- A. It uses Openstack Heat as the core workflow engine.
- B. It supports parallel execution of many workflow.
- C. It supports scheduling of workflow executions.
- D. It provides several building tools to design and create new workflows.
Answer: A
Explanation:
Explanation
According to the Nokia NSP Workflow Manager Application Help , 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:
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:
* 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.
* It supports scheduling of workflow executions. This allows you to automate recurring network tasks and optimize network performance and availability.
* It supports parallel execution of many workflows. This allows you to handle complex network scenarios and operations efficiently and effectively.
NEW QUESTION # 30
Which of the following statements about the Nokia NSP is FALSE?
- A. It is the Source of Truth.
- B. It uses NETCONF and YANG to provision the network.
- C. It only manages Nokia equipment.
- D. It can act as a Path Computation Element (PCE).
Answer: C
Explanation:
Explanation
The Nokia NSP is an IP network automation platform that provides a unified view of the network and enables end-to-end automation of IP networks. It is designed to be vendor-agnostic and can manage a wide range of equipment from various vendors, making it the Source of Truth for the entire network. It uses NETCONF and YANG to provision the network and can act as a Path Computation Element (PCE).
Nokia NSP is a network automation platform that supports multi-vendor network infrastructure. It acts as the
"Source of Truth" for the network, uses NETCONF and YANG to provision the network, and can act as a Path Computation Element (PCE) to optimize traffic flow across the network. It supports a wide range of network devices, including those from third-party vendors, making it a flexible and vendor-agnostic solution for network automation.
some of the statements about the Nokia NSP are:
* It is a platform that provides service automation and network optimization across multiple network layers and domains.
* It uses NETCONF and YANG to provision the network and supports various protocols such as BGP-LS, PCEP, SNMP, etc.
* It can act as a Path Computation Element (PCE) and provide end-to-end path computation for traffic engineering applications.
* It can manage equipment from multiple vendors and supports open interfaces and standards.
http://nsp.developer.nokia.com/
https://www.nokia.com/networks/training/nsp/
NEW QUESTION # 31
Which of the following HTTP methods is NOT supported by REST/RESTCONF?
- A. POST
- B. OPTIONS
- C. TRACE
- D. PATCH
- E. GET
Answer: C
Explanation:
Explanation
The HTTP methods that are supported by REST/RESTCONF are:
* OPTIONS: Used to retrieve the communication options available for a resource.
* GET: Used to retrieve a representation of a resource.
* PATCH: Used to apply a partial update to a resource.
* POST: Used to create a new resource or trigger a specific action.
The HTTP method TRACE is not supported by REST/RESTCONF.
NEW QUESTION # 32
Which of the following NSP API types provides location services?
- A. RESTCONF
- B. XML
- C. REST
- D. SOAP
Answer: C
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 # 33
Which of the following is NOT an Intent Type life-cycle state?
- A. Draft
- B. Released
- C. Created
- D. Phased-Out
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 # 34
Which directory or directories do the file actions provide accessto on the NSP server?
- A. /tmp and /mnt
- B. /home
- C. all directories
- D. /opt
Answer: C
Explanation:
Explanation
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.
NEW QUESTION # 35
Which of the following HTTP methods are NOT supported in REST and RESTCONF?
- A. PUT
- B. ADD
- C. DELETE
- D. PATCH
- E. GET
Answer: B
Explanation:
Explanation
The HTTP methods that are supported by REST/RESTCONF are:
* GET: Used to retrieve a representation of a resource.
* PUT: Used to replace a resource or create it if it does not exist.
* DELETE: Used to delete a resource.
* PATCH: Used to apply a partial update to a resource.
The HTTP method ADD is not a standard HTTP method and is not supported by REST/RESTCONF.
NEW QUESTION # 36
Which of the following best describes intent-based networking?
- A. Manual process of configuring networks and reacting to network Issues
- B. Comparing the actual and desired state of a network and taking action if they are not in sync
- C. Dynamically changing the network infrastructure in real-time through one centralized location
- D. Automatic discovery of cross domain links between IP and optical networks
Answer: B
Explanation:
Explanation
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.
NEW QUESTION # 37
Which of the following is the master configuration that is synchronized with the network configuration and is stored in the database as the source of truth?
- A. Metadata
- B. YANG module
- C. Intent
- D. Intent Type
Answer: C
Explanation:
Explanation
An Intent is the master configuration that is synchronized with the network configuration and is stored in the database as the source of truth. Intent Types define the type of Intent, such as a network service or a configuration change, while Metadata is used to store additional information about the Intent, such as its version or author. YANG modules are used to define the data model for a particular technology.
NEW QUESTION # 38
Which of the following commands allows the action associated with a task to be run multiple times over a list of items?
- A. retry
- B. concurrency
- C. count
- 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 # 39
Which of the following statements about Kafka is FALSE?
- A. It has four components: Producer, Consumer, Topic and Connector.
- B. It is an open-source platform.
- C. It is used to send real-time notifications.
- D. It is a distributed messaging system.
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 # 40
Which of the following is NOT a characteristic of Containers?
- A. Repeatable
- B. Ever-changing
- C. Self-contained
- D. Predictable
Answer: B
Explanation:
Explanation
some of the characteristics of containers are:
* Resistant and strong
* Designed to facilitate transport of goods
* Easy for stuffing or destuffing
* Fitted with facilities for easy handling
* Airtight and water-resistant
* Predictable and repeatable
* Self-contained and isolated
Ever-changing is not a characteristic of containers. Containers are designed to be predictable, repeatable, and self-contained. They are isolated from the underlying infrastructure and provide a consistent environment for applications to run in, regardless of the host OS.
NEW QUESTION # 41
What task does Apache FreeMarker perform?
- A. Transports YANG data
- B. Separates the configuration and data states
- C. It instantiates templates.
- D. Allows communication between NSP applications
Answer: C
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 # 42
Convert the workflow full syntax to workflow simplified syntax. Which of the following is correct?
A)
B)
C)
D)
- A. Option B
- B. Option C
- C. Option A
- D. Option D
Answer: D
NEW QUESTION # 43
Which of the following statements does NOT applyto YANG modules?
- A. Consists of containers and leaves
- B. Uses NETCONF and RE5TCONF to transport data
- C. Requires proprietary MIBS
- D. Provides separation of configuration and state data
Answer: C
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 # 44 
Based on the exhibit, which attribute of the target-component determines the component name displayed in the UI?
- A. i18n-text
- B. order
- C. name
- D. function-name
Answer: A
Explanation:
Explanation
According to the NSP Network Services Platform Release 20.9 User Guide , the attribute of the target-component that determines the component name displayed in the UI is i18n-text.
The i18n-text attribute specifies a key for a localized text string that is displayed as a label for this component in the UI. The actual text string is retrieved from a resource bundle file based on the user's locale.
For example, if i18n-text is "Port Id", then the UI will display "Port Id" as the component name.
NEW QUESTION # 45
......
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