[2023年04月]に更新されたNokia Certified NSP IP Network Automation Professional 4A0-AI1試験練習テスト問題集豪華セット！
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Nokia 4A0-AI1（Nokia NSP IPネットワーク自動化プロフェッショナルコンポジット）認定試験は、ネットワーク自動化の分野でのプロフェッショナルのスキルと知識を試験するために設計された認定試験です。この包括的な試験は、ネットワーク自動化の概念、スクリプト言語、ネットワーク自動化ツールなど、幅広いトピックをカバーしています。この試験に合格することは、プロがノキアNSPを使用してネットワークオペレーションを効果的に自動化するために必要なスキルと知識を持っていることを証明します。
質問 # 18
Which of the following is NOT a category of files found in the Intent-type resources directory?
- A. Configuration files
- B. Framework files
- C. API services files
- D. Template files
正解：B
解説：
Explanation
According to the NSP Intent Manager Application Help , an intent type consists of four components: general metadata, target, YANG model and script. The resources component is used to store files that are required by the script component1. Therefore, A. Framework files is NOT a category of files found in the intent-type resources directory.
質問 # 19
Which of the following best describes data flow in a workflow?
- A. Dependency graph of tasks
- B. Defines operation to perform
- C. Transitioning between tasks
B, Passing data between tasks
正解：A
解説：
Explanation
According to the Nokia NSP Workflow Design and Management course12, a workflow is a sequence of tasks that are executed to achieve a certain goal. Data flow in a workflow refers to passing data between tasks12.
Therefore, the correct answer is B.
Data flow can be defined using input, output, and publish parameters in a workflow definition3. Input parameters are used to pass data into a workflow, output parameters are used to return data from a workflow, and publish parameters are used to share data between tasks within a workflow3.
質問 # 20
Which feature can be used to make a workflow portableif the workflow needs to be executed on either a development or production lab)?
- A. Joining
- B. Conditional transactions
- C. Environments
- D. Forking
正解：C
解説：
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
質問 # 21
Which of the following statements does NOT applyto YANG modules?
- A. Uses NETCONF and RE5TCONF to transport data
- B. Provides separation of configuration and state data
- C. Consists of containers and leaves
- D. Requires proprietary MIBS
正解：D
解説：
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.
質問 # 22
Which Workflow state allows a Workflow to be executed?
- A. Published
- B. Draft
- C. Deprecated
- D. Released
正解：A
解説：
Explanation
According to the Workflow Manager User Guide from Nokia, the correct answer is C. Published. When a workflow is in the Published state, it can be executed by users who have the appropriate permissions. The Draft state is used during the creation of a new workflow, while the Deprecated state indicates that a workflow is no longer supported and should not be used. The Released state is not mentioned in the context of workflow execution.
質問 # 23
Which of the following statements about the YANG data modeling language is FALSE?
- A. It is used to model configuration and state data.
- B. Defines actions and operations.
- C. Data is in the form of a tree-like structure.
- D. Data model is not human readable.
正解：D
解説：
Explanation
YANG is a data modeling language used to model configuration and state data for network devices. It defines a tree-like structure for data and is used to store, configure, and retrieve information from network devices. It is human readable and can be used to define actions and operations.
質問 # 24
Which of the following is NOT a benefit of ZTP?
- A. Lowers overall time for network rollout
- B. Increases network throughput
- C. Minimizes the amount of commands typed
- D. Optimizes costs
正解：B
解説：
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.
質問 # 25
Which of the following best describes an ad-hoc action?
- A. Can only be used by one workflow
- B. Special action for NSP applications
- C. Wrapper around an existing system action
- D. Default action provided by Workflow Manager
正解：C
解説：
Explanation
Ad-hoc actions are wrappers around existing system actions that allow for more flexibility in terms of what can be done. They are not default actions provided by Workflow Manager, nor are they special actions for NSP applications. Ad-hoc actions can be used by multiple workflows.
質問 # 26
Which of the following Kafka components represents a stream of messages of a particular category?
- A. Consumer
- B. Producer
- C. Broker
- D. Topic
正解：D
解説：
Explanation
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.
質問 # 27
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 D
- D. Option A
正解：C
質問 # 28
Which of the following sequences best describes the process of moving to SDN based self-regulated networking?
- A. static networking -> action-based networking -> autonomous networking -> adaptive networking
- B. action-based networking -> static networking -> adaptive networking -> autonomous networking
- C. action-based networking -> static networking -> autonomous networking -> adaptive networking
- D. static networking -> action-based networking -> adaptive networking > autonomous networking
正解：D
解説：
Explanation
Nokia NSP is a platform that enables management, control and automation of IP/Optical networks. It supports various levels of network automation, from static networking to autonomous networking.
The process of moving to SDN based self-regulated networking involves four stages:
* Static networking: The network is manually configured and operated by human operators. There is no automation or intelligence involved.
* Action-based networking: The network is partially automated by using predefined actions or scripts that are triggered by events or commands. There is still human intervention required for complex tasks or exceptions.
* Adaptive networking: The network is dynamically automated by using policies, analytics and machine learning that can adjust the network behavior based on changing conditions and objectives. There is minimal human intervention required for oversight and validation.
* Autonomous networking: The network is fully automated by using artificial intelligence and closed-loop feedback that can optimize the network performance and reliability without any human involvement.
The network can self-heal, self-optimize and self-protect.
質問 # 29
Which of the following statements about an intent is FALSE?
- A. It is an instance of an intent type.
- B. It is stored in the database as the source of truth.
- C. It can be created and deleted through RESTCONF API.
- D. It only involves services.
正解：D
解説：
Explanation
According to the Nokia NSP Intent Manager Application Help2, an intent has the following characteristics:
* It is stored in the database as the source of truth.
* It is an instance of an intent type, which defines the structure and logic of an intent.
* It can be created and deleted through RESTCONF API or through the Intent Manager GUI.
* It can involve services, nodes, links, paths, or any other network elements.
質問 # 30
Which of the following is NOT an advantage of Software-defined Networks (SDN) over traditional networks?
- A. Global view of network's state
- B. Decoupling of control plane from data plane
- C. Network elements operating autonomously
- D. Centralized controller operations
正解：C
解説：
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
質問 # 31
Which of the following is NOT an advantage of Software-Defined Networks (SDN) over traditional networks?
- A. An integrated control plane and data plane
- B. Greater agility in automating, monitoring, and provisioning network infrastructure
- C. Applications communicate directly with the controller
- D. Network logic is centrally integrated at the controller level
正解：A
解説：
Explanation
An integrated control plane and data plane is NOT an advantage of Software-Defined Networks (SDN) over traditional networks. SDN separates the control plane from the data plane, enabling more efficient and flexible network management. By centralizing the network logic at the controller level, applications can communicate directly with the controller, allowing for greater agility in automating, monitoring, and provisioning network infrastructure.
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
質問 # 32
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. count
- C. concurrency
- D. with-items
正解：D
解説：
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.
質問 # 33
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. Intent Type
- B. Metadata
- C. Intent
- D. YANG module
正解：C
解説：
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.
質問 # 34
"The automated configuration, coordination, and management of large virtualized systems, middleware, and services" describes which of the following?
- A. Operating system
- B. Container runtime engine
- C. Hypervisor
- D. Orchestrator
正解：D
解説：
Explanation
orchestration is the automated configuration, coordination, and management of computer systems and software. Orchestration takes advantage of several tasks that are usually automated to create a more complex workflow.
An orchestrator is a software tool that is used to automate the configuration, coordination, and management of large virtualized systems, middleware, and services. The other three options are not related to the automated configuration, coordination, and management of large virtualized systems, middleware, and services.
Orchestrator is described as "the automated configuration, coordination, and management of large virtualized systems, middleware, and services." The orchestrator is a key component of network automation, enabling the automation and management of complex network functions across multiple devices and platforms.
質問 # 35
Which of the following statements about Kafka is FALSE?
- A. It is used to send real-time notifications.
- B. It is a distributed messaging system.
- C. It is an open-source platform.
- D. It has four components: Producer, Consumer, Topic and Connector.
正解：D
解説：
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.
質問 # 36
Which of the following statements about Model-Driven Mediation (MDM) is FALSE?
- A. It provides the translation between the AMI and device model.
- B. It CANNOTcommunicatesthrough devices that only support CLI.
- C. It can interface with devices that support OpenConfig gRPC Network Management Interface.
- D. It is the foundation for supporting multi-vendor device management.
正解：B
解説：
Explanation
Model-Driven Mediation (MDM) is a component that provides mediation between model-driven NSP applications and Nokia or third-party network devices. It uses adaptors to convert NSP application requests to device specific directives using standard protocols such as NETCONF, SNMP and CLI over SSH or Telnet.
This statement is false because MDM can communicate with devices that only support CLI (Command Line Interface) using a translation module that converts CLI commands to NETCONF or RESTCONF protocols.
MDM acts as a mediator between the northbound system and the southbound devices by translating device configuration to a standard format that can be consumed by the northbound system.
The other statements are true:
It is the foundation for supporting multi-vendor device management. C. It provides the translation between the AMI and device model. D. It can interface with devices that support OpenConfig gRPC Network Management Interface.
質問 # 37
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