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質問 # 17
Which of the following timing attributes will halt the entire workflow and require user intervention to proceed?
- A. wait-after
- B. wait-before
- C. timeout
- D. pause-before
正解：D
解説：
Explanation
This attribute specifies a manual approval step before executing a task1. The other attributes will either delay or abort the execution of a task, but not halt the entire workflow.
質問 # 18
Which of the following statements best describes the Intent Manager application?
- A. It manages YANG-based telemetry.
- B. It provides the ability to simulate changes in the IP topology.
- C. It generates and validates the configuration of the network.
- D. It discovers and manages network elements so they can be used by other NSP applications.
正解：C
解説：
Explanation
The statement that best describes the Intent Manager application is: "It generates and validates the configuration of the network." Intent Manager is responsible for collecting the user's intent, verifying the user's input, and converting the user's intent into a device-specific configuration. It uses a high-level language to abstract the network complexity, enabling the network operator to define intent in simple terms. Once the intent is defined, Intent Manager automatically generates a device-specific configuration for each network element. It then validates the intent by checking the network's current state against the user's desired intent. If there is a mismatch, it will take corrective action to bring the network to the desired intent state.
質問 # 19
Which of the following statements about the YANG data modeling language is FALSE?
- A. Defines actions and operations.
- B. It is used to model configuration and state data.
- C. Data model is not human readable.
- D. Data is in the form of a tree-like structure.
正解：C
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 # 20
Which of the following is NOT part of the Augmented Assurance features provided by the NSP?
- A. Sorting NEs by highest severity issues
- B. Commissioning of equipment
- C. On-demand OAM testing
- D. Intelligent visualization
正解：B
解説：
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
質問 # 21
Which of the following statements about POSTMAN is FALSE?
- A. Postman allows you to define a variable to store and re-use values in a request.
- B. A Postman account allows you to create a maximum of 3600 workspaces for free.
- C. Postman pre-request scripts are executed before the main request.
- D. Postman allows you to add a parameter to a request. 1mm
正解：B
解説：
Explanation
A Postman account allows you to create a maximum of 3600 workspaces for free. Postman is an API development environment used to create, test, and document APIs. It allows users to send requests and receive responses in a variety of formats, as well as add parameters to requests, define variables to store and re-use values, and execute pre-request scripts before the main request. However, Postman accounts do not allow users to create a maximum of 3600 workspaces for free; users must upgrade their accounts to access this feature.
質問 # 22
Which of the following is NOT an advantage of Software-defined Networks (SDN) over traditional networks?
- A. Decoupling of control plane from data plane
- B. Network elements operating autonomously
- C. Global view of network's state
- D. Centralized controller operations
正解：B
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 # 23
How long is the system token valid before expiring?
- A. Never expires
- B. 24 hours
- C. 60 minutes
- D. Configurable
正解：C
解説：
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.
質問 # 24
Which of the following is NOT a characteristic of Intent-based networking?
- A. Persistence
- B. Abstraction
- C. Automation
- D. Virtualization
正解：D
解説：
Explanation
Virtualization is not a characteristic of intent-based networking, but rather a technology that enables it. Virtualization is the process of creating virtual versions of physical resources, such as servers, storage, or networks1. Virtualization allows for more flexibility and scalability in network design and management, but does not imply any automation or intelligence.
質問 # 25
Which of the following allows the Intent Manger to communicate with network elements being managed by SNMP?
- A. NFM-P mediator
- B. Generic mediator
- C. MDC mediator
- D. NSP mediator
正解：B
解説：
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.
質問 # 26
Which of the following languages does Mistral Workflow support as Data Flow mechanisms?
- A. SQL
- B. Jinja2
- C. Jaql
- D. JSON
正解：B
解説：
Explanation
According to the Mistral Workflow Language (v2) website1, Mistral Workflow Language supports YAQL and Jinja2 expression languages to reference workflow context variables and thereby implements passing data between workflow tasks. It's also referred to as Data Flow mechanism. YAQL is a simple but powerful query language that allows to extract needed information from JSON structured data1.
質問 # 27
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. 3 and 4
- B. 2 and 3
- C. 1 and 4
- D. 1 and 2
正解：C
解説：
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.
質問 # 28
An Intent Type has to be in which state for Intent Manager to provision a request?
- A. Phased-out
- B. Draft or Released
- C. Draft
- D. Released
正解：D
解説：
Explanation
According to the NSP Intent Manager Application Help, an intent type has to be in Released state for Intent Manager to provision a request. An intent type can be in Draft, Released or Phased-out state. A Draft state means that the intent type is under development and cannot be used for provisioning. A Phased-out state means that the intent type is no longer supported and cannot be used for provisioning
質問 # 29
Which of the following is NOT an Intent Type life-cycle state?
- A. Phased-Out
- B. Draft
- C. Released
- D. Created
正解：D
解説：
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.
質問 # 30
Which of the following is NOT a benefit of Service Fulfilment API?
- A. Increases service agility
- B. Reduces human errors
- C. Allows multi-vendor service provisioning
- D. Provides alarm monitoring
正解：D
解説：
Explanation
Service Fulfilment API does not provide alarm monitoring; rather, it allows customers to quickly and easily order and provision services from a single interface, allowing for increased service agility and reduced human error.
According to the Nokia NSP Service Fulfilment API User Guide, Service Fulfilment API offers the following benefits:
Increases service agility by providing a programmable interface for automated service provisioning and management, allowing network operators to quickly respond to customer demands and network changes.
Reduces human errors by automating the service provisioning process, which minimizes the risk of manual configuration errors and improves service quality.
Allows multi-vendor service provisioning by providing a vendor-agnostic interface that supports different types of network equipment and technologies, reducing vendor lock-in and enabling greater network flexibility.
質問 # 31
Which syntax is used to reference a workflow variable when using Jlnja2?
- A. << ...>>
- B. {< ... >}
- C. (* .- *)
- D. {{...}}
正解：D
解説：
Explanation
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.
質問 # 32
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. Forking
- D. Joining
正解：A
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 # 33
Which of the following best describes data flow in a workflow?
- A. Defines operation to perform
- B. Dependency graph of tasks
- C. Transitioning between tasks
B, Passing data between tasks
正解：B
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 # 34
Which of the following scripting languages can be used to extend WFM actions and expressions?
- A. Perl
- B. Python
- C. PHP
- D. Groovy
正解：D
解説：
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
質問 # 35
Which of the following is NOT a category of files found in the Intent-type resources directory?
- A. Framework files
- B. API services files
- C. Template files
- D. Configuration files
正解：A
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 # 36
Which of the following is NOT a characteristic of Containers?
- A. Self-contained
- B. Predictable
- C. Ever-changing
- D. Repeatable
正解：C
解説：
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.
質問 # 37
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