[Aug-2023] 4A0-AI1 exam torrent Nokia study guide
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NEW QUESTION # 35
Which of the following files contains helper functions that can be leveraged by the scripts of many different Intent types?
- A. Framework
- B. Configuration template
- C. Mapping script
- D. Tern plate-mapping
Answer: A
Explanation:
Explanation
The Framework file contains helper functions that can be leveraged by the scripts of many different Intent types.
The Framework file is a JavaScript file that provides common utility functions for Intent operations. It is located in the /opt/nokia/nsp/intent/scripts directory on the NSP server. It can be imported by other script files using the require() function.
For example, a Framework file could contain:
function getNfmpTemplate(templateName) { // logic for getting an NFM-P template by name } function getMdTemplate(templateName) { // logic for getting an MD template by name }
NEW QUESTION # 36
Which of the following statements about Nokia's Network Services Platform (NSP) Model-driven Mediation (MDM) framework is FALSE?
- A. It provides an abstracted view of the network element.
- B. It is based on the YANG data model.
- C. It is vendor agnostic.
- D. It uses the NETCONF protocol.
Answer: C
Explanation:
Explanation
The Nokia NSP Model-driven Mediation (MDM) framework is based on the YANG data model, uses the NETCONF protocol, and provides an abstracted view of the network element. However, it is designed to be vendor-specific, meaning it is designed to only manage Nokia equipment.
It provides an abstracted view of the network element is FALSE regarding Nokia's Network Services Platform (NSP) Model-driven Mediation (MDM) framework. MDM provides a way to interface between the Nokia NSP and network elements from different vendors. It is based on the YANG data model and uses the NETCONF protocol to provide configuration and management capabilities for network devices. However, MDM does not provide an abstracted view of the network element. Instead, it translates the native configuration of the network element into a standardized YANG model, allowing the NSP to manage the network element in a vendor-agnostic way.
According to the NSP NSD and NRC 18.6 Planning Guide1, Model-Driven Mediation (MDM) is a component within the NSP architecture that provides mediation between model-driven NSP applications and Nokia or third-party network devices. MDM provides an adaptation layer which uses adaptors to convert NSP application requests to device specific directives using standard protocols such as NETCONF, SNMP and CLI over SSH or Telnet12. MDM also provides an abstracted view of the network element3.
NEW QUESTION # 37
Which of the following best describes an ad-hoc action?
- A. Special action for NSP applications
- B. Can only be used by one workflow
- C. Wrapper around an existing system action
- D. Default action provided by Workflow Manager
Answer: C
Explanation:
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.
NEW QUESTION # 38
"The automated configuration, coordination, and management of large virtualized systems, middleware, and services" describes which of the following?
- A. Container runtime engine
- B. Hypervisor
- C. Orchestrator
- D. Operating system
Answer: C
Explanation:
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.
NEW QUESTION # 39
Which of the following best describes an ad-hoc action?
- A. Special action for NSP applications
- B. Can only be used by one workflow
- C. Wrapper around an existing system action
- D. Default action provided by Workflow Manager
Answer: C
Explanation:
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.
NEW QUESTION # 40
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 is in the form of a tree-like structure.
- D. Data model is not human readable.
Answer: D
Explanation:
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.
NEW QUESTION # 41
Which of the following is NOT an example of good coding principles?
- A. Using logging to debug code
- B. Adding notes/comments into code
- C. Offloading code
- D. Using hard coded values
Answer: D
Explanation:
Explanation
Good coding principles aim to make the code more maintainable and easier to debug. Offloading code and using logging to debug code are both good coding principles, as they make the code more efficient and easier to debug. Adding notes and comments into code is also a good coding practice, as it makes the code more readable and understandable. However, using hard coded values is not a good coding practice, as it makes the code more difficult to maintain and debug.
NEW QUESTION # 42
An Intent Type has to be in which state for Intent Manager to provision a request?
- A. Released
- B. Draft or Released
- C. Phased-out
- D. Draft
Answer: A
Explanation:
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
NEW QUESTION # 43
Which of the following scripting languages can be used to extend WFM actions and expressions?
- A. Python
- B. Perl
- C. PHP
- 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 # 44
Which of the following is NOT an NSP application?
- A. IP/MPLS Optimization
- B. Network Supervision
- C. Service Fulfilment
- D. Network Virtualization
Answer: A
Explanation:
Explanation
According to the Nokia NSP Learning and Certification Program2, there are four main NSP applications:
* Service Fulfillment: Enables service providers to design, create, and deliver IP/MPLS services across a multi-vendor network.
* Network Supervision: Provides real-time visibility and control of network performance, faults, and inventory across physical and virtual networks.
* IP/MPLS Optimization: Optimizes network resources by applying advanced algorithms and machine learning techniques to automate traffic engineering and path computation.
* Network Virtualization: Enables service providers to create and manage virtualized network functions (VNFs) and network slices using cloud-native technologies.
NEW QUESTION # 45
Which of the following is NOT a characteristic of Containers?
- A. Self-contained
- B. Predictable
- C. Ever-changing
- D. Repeatable
Answer: C
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 # 46
Which of the following configures the network based on input provided by the user?
- A. Framework files
- B. YANG module
- C. Intent
- D. Intent Type
Answer: C
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 # 47
Which of the following languages does Mistral Workflow support as Data Flow mechanisms?
- A. JSON
- B. Jinja2
- C. SQL
- D. Jaql
Answer: B
Explanation:
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.
NEW QUESTION # 48
Which of the following is NOT a benefit of ZTP?
- A. Minimizes the amount of commands typed
- B. Lowers overall time for network rollout
- C. Increases network throughput
- D. Optimizes costs
Answer: C
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 # 49
Which of the following statements about Kafka is FALSE?
- A. It has four components: Producer, Consumer, Topic and Connector.
- B. It is a distributed messaging system.
- C. It is an open-source platform.
- D. It is used to send real-time notifications.
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 # 50
What are the possible data types capable of being assigned to the value type attributes of the target-component?
- A. Number and String
- B. Boolean and String
- C. Boolean
- D. String
Answer: B
Explanation:
Explanation
The value type attributes of the target-component can be assigned either a boolean or a string data type. The boolean data type can be used to indicate whether a certain attribute is enabled or not, while the string data type can be used to store textual information. Numbers and other data types are not supported.
NEW QUESTION # 51
How long is the system token valid before expiring?
- A. 60 minutes
- B. Configurable
- C. Never expires
- D. 24 hours
Answer: A
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 # 52
Which of the following is NOT a characteristic of Intent-based networking?
- A. Abstraction
- B. Persistence
- C. Virtualization
- D. Automation
Answer: C
Explanation:
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.
NEW QUESTION # 53
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