Updated Apr-2024 Exam BL0-220 Dumps - Pass Your Certification Exam
Latest Real Nokia BL0-220 Exam Dumps Questions
Nokia BL0-220 Exam is an advanced-level exam that covers a wide range of topics related to distributed cloud networks. BL0-220 exam consists of multiple-choice questions that assess the candidate's knowledge and understanding of the concepts and principles of distributed cloud networks. BL0-220 exam is designed to test the candidate's ability to apply these concepts and principles to real-world situations.
To successfully pass the Nokia BL0-220 certification exam, candidates must demonstrate their proficiency in various areas, including the ability to design and implement virtualized networks, configure and manage network services, troubleshoot network problems, and optimize network performance. BL0-220 exam is a rigorous assessment that requires candidates to have a strong understanding of cloud networking concepts and hands-on experience with Nokia Bell Labs technology.
NEW QUESTION # 32
Which of the following contains the configuration of a VNF or CNF?
- A. Container runtime
- B. Runtime configuration.
- C. Virtual management file
- D. YAML XML template file
Answer: D
Explanation:
A YAML XML template file contains the configuration of a VNF or CNF. A VNF stands for Virtual Network Function, which is a software-based network function that runs on a virtual machine or a container. A CNF stands for Cloud-native Network Function, which is a network function that is designed and implemented using cloud-native principles and technologies, such as microservices, containers, and Kubernetes. A YAML XML template file is a file that defines the structure, parameters, and dependencies of a VNF or CNF, as well as the resources and policies required to deploy and manage it. A YAML XML template file is based on the TOSCA (Topology and Orchestration Specification for Cloud Applications) standard, which is a language for describing the components and relationships of complex cloud applications. A YAML XML template file is used by the MANO (Management and Orchestration) system to instantiate, configure, and operate a VNF or CNF on the cloud infrastructure. Reference: Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.4: Cloud Software and Hardware Resources.
NEW QUESTION # 33
Which of the following statements best describes cloud native operations?
- A. Cloud native provides operation adaptability.
- B. Cloud native is only operational by AI.
- C. Cloud native design limits scalability.
- D. Cloud native relies only on network automation.
Answer: A
Explanation:
The statement that best describes cloud native operations is cloud native provides operation adaptability. Cloud native operations are based on the principles of agility, resilience, and automation, which enable the cloud to adapt to changing demands and conditions12. Cloud native is not only operational by AI, nor does it rely only on network automation. AI and automation are tools that enhance the cloud native operations, but they are not the only factors that define them12. Cloud native design does not limit scalability, but rather enables it by using microservices, containers, and orchestration12. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 6 2: Nokia Bell Labs 5G Certification Program - Blended Learning, Section 2: Distributed Cloud Networks, slide 16
NEW QUESTION # 34
What is the main advantage of development concepts such DevOps and CI/CD used in cloud native applications?
- A. To increase the number of check point in development and deployment procedures.
- B. To separate development and deployment in different phases.
- C. To eliminate validation phase of application development.
- D. To reduce time and complexity for development and deployment.
Answer: D
Explanation:
To reduce time and complexity for development and deployment. Comprehensive Explanation and Reference of Correct answer: The main advantage of development Reference:
Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 3 Catching the 5G train with CI/CD Services, paragraph 1 Nokia unveils new 5G core deployment services to give operators better capabilities, paragraph 1
NEW QUESTION # 35
Which of the following best describes the scaling stage of the application life cycle?
- A. The periodic upgrade of the service to be maintain security and performance standards.
- B. The application will be deployed over the infrastructure.
- C. The application will terminate and free associated resources.
- D. The application adjusts its capacity.
Answer: D
Explanation:
The statement that best describes the scaling stage of the application life cycle is the application adjusts its capacity. Scaling is the process of increasing or decreasing the number of resources allocated to an application based on the demand and performance1. Scaling can be done manually or automatically using policies and metrics1. The other statements do not describe the scaling stage, but rather other stages of the application life cycle. The periodic upgrade of the service is part of the maintenance stage, which ensures the reliability and security of the application2. The deployment of the application over the infrastructure is part of the installation stage, which involves the configuration and activation of the application2. The termination and freeing of associated resources is part of the decommissioning stage, which removes the application from the network2. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 23 2: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 10
NEW QUESTION # 36
What are the two main options to interconnect private and public clouds? (Select 2)
- A. VLAN
- B. WAN
- C. VXLAN
- D. VPN
Answer: B,D
Explanation:
The two main options to interconnect private and public clouds are VPN and WAN. VPN stands for Virtual Private Network, which is a secure and encrypted connection between two or more networks over the public internet. VPN allows private and public clouds to communicate with each other without exposing their data or traffic to third parties. WAN stands for Wide Area Network, which is a network that spans a large geographic area, such as a country or a continent. WAN allows private and public clouds to interconnect across different regions or locations, using high-speed and high-capacity links. Both VPN and WAN provide reliable, scalable, and flexible solutions for hybrid cloud scenarios, where private and public clouds work together to deliver optimal performance and efficiency. Reference: Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Cloud Data Center Interconnect for Large Enterprises, 5G Core on cloud: go public, private or a bit of both?
NEW QUESTION # 37
How are cloud resources are made available to customers?
- A. By access to the cloud infrastructure.
- B. As virtualized resources.
- C. As direct cloud hardware.
Answer: B
Explanation:
Cloud resources are made available to customers as virtualized resources. Virtualization is the process of creating a software-based representation of a physical resource, such as a server, a storage device, or a network device. Virtualization allows multiple customers to share the same physical resource, while isolating their data and applications from each other. Virtualization also enables customers to access cloud resources on demand, without having to worry about the underlying hardware or infrastructure. Virtualization is one of the key technologies that enable cloud computing and its benefits. Reference: Nokia Cloud Platform, Module by Module - Self Study Note Guide
NEW QUESTION # 38
Which of the following is the most efficient service concept for resource usage?
- A. Stateful
- B. Stateless
- C. Serverless
Answer: B
Explanation:
The "Stateless" service concept is indeed the most efficient for resource usage. In a stateless architecture, each request is treated as an independent transaction, unconnected to any previous request. This means that no state information is stored between transactions, which simplifies the design and scalability of systems. It allows for better resource utilization because there is no need to maintain state information over time, which can be resource-intensive. This approach aligns with the principles of RESTful services and is widely adopted in scalable web applications.
NEW QUESTION # 39
The ETSI MANO Model operational stack is defined as?
- A. Infrastructure Management above Network Function Management above Orchestration
- B. Network Function Management above Orchestration above Infrastructure Management '
- C. Orchestration above Network Function Management above Infrastructure Management
- D. Infrastructure Management above Orchestration above Network Function Management
Answer: C
Explanation:
The ETSI MANO Model operational stack is defined as Orchestration above Network Function Management above Infrastructure Management. The ETSI MANO Model is a framework that defines the architecture and interfaces for the management and orchestration of network functions virtualization (NFV) in cloud networks1. The ETSI MANO Model consists of three main components: Infrastructure Management, Network Function Management, and Orchestration2. Infrastructure Management is responsible for managing the physical and virtual resources that host the network functions, such as servers, storage, switches, hypervisors, and virtual machines2. Network Function Management is responsible for managing the configuration, monitoring, and optimization of the network functions, such as scaling, healing, and updating2. Orchestration is responsible for coordinating the allocation and release of resources for network services and network slices, such as instantiation, termination, and modification2. The ETSI MANO Model operational stack is defined as Orchestration above Network Function Management above Infrastructure Management, meaning that Orchestration is the highest level of abstraction and control, Network Function Management is the intermediate level, and Infrastructure Management is the lowest level2. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 5: New Services Automation, Section 5.3: Orchestration 2: Module by Module - Self Study Note Guide - training2
NEW QUESTION # 40
Select the best option below to complete the following sentence.
Your apps need cloud resources which are______and then__
- A. commissioned, instantiated
- B. started, commissioned
- C. distributed, terminated
- D. allocated, provisioned
Answer: D
Explanation:
Your apps need cloud resources which are allocated and then provisioned. Allocation is the process of assigning cloud resources to a specific app or service, based on the requirements and availability1. Provisioning is the process of configuring and activating the allocated cloud resources, making them ready to use by the app or service2. Commissioning, instantiation, starting, and distribution are not the correct terms to complete the sentence. Commissioning is the process of testing and verifying the cloud resources before they are allocated3. Instantiation is the process of creating an instance of an app or service, which is a running copy of the app or service that uses the provisioned cloud resources4. Starting is the process of launching an instance of an app or service, which can be done manually or automatically. Distribution is the process of spreading the cloud resources across different locations or domains, to achieve scalability, redundancy, or performance. Termination is the process of deleting or releasing the cloud resources that are no longer needed by the app or service.
NEW QUESTION # 41
What is the primary benefit of an Edge Cloud?
- A. Low Cost
- B. Large Bandwidth
- C. Low latency
- D. High Availability
Answer: C
Explanation:
Low latency is the primary benefit of an Edge Cloud. Edge Cloud is a distributed cloud architecture that brings cloud resources closer to the end users and devices, reducing the distance and delay for data transmission1. Low latency is crucial for many 5G use cases that require real-time responsiveness, such as autonomous driving, remote surgery, smart manufacturing, etc2. Low cost, large bandwidth, and high availability are not the primary benefits of an Edge Cloud, although they may be achieved depending on the deployment scenario and the service level agreement. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 1: Cloud Ecosystem, Section 1.2: Cloud Types 2: Nokia Bell Labs Distributed Cloud Networks, Unit 5: New Services Automation, Section 5.1: Industry 4.0 Use Cases
NEW QUESTION # 42
What does the standardization of network functions provide? (Select 2)
- A. Defined functional elements.
- B. Well defined interfaces.
- C. Simplicity for the implementation.
- D. Flexible rules open to interpretation.
Answer: A,B
Explanation:
The standardization of network functions provides well defined interfaces and defined functional elements. Well defined interfaces are the specifications that describe how network functions communicate and interact with each other and with other network components. Defined functional elements are the components that perform specific tasks or functions within the network. By standardizing these aspects, network functions can achieve interoperability, compatibility, and modularity, which are essential for building and deploying network services.
Reference:
Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Unit 3: Cloud Resource Planning, slide 13 Module by Module - Self Study Note Guide, DC3.2- Network Function, page 13
NEW QUESTION # 43
A group of small services combine to deliver user specific service.
- A. True
- B. False
Answer: A
Explanation:
A group of small services combine to deliver user specific service is a true statement. This is the definition of microservices, which are a key component of cloud technologies and features. Microservices are independent, modular, and scalable services that communicate with each other through APIs. They enable faster and easier development, deployment, and maintenance of cloud applications.
Reference:
Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks | Nokia Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, slide 6 Nokia Bell Labs 5G Certification Program - Courses | Nokia, Distributed Cloud Networks, Unit 2: Cloud Technologies and Features
NEW QUESTION # 44
Which of the following are properties related to a private cloud? (Select 2)
- A. Mixed with Public Cloud
- B. Software as a Service
- C. Full Control
- D. High CAPEX
- E. No OPEX
Answer: C,D
Explanation:
The properties related to a private cloud are high CAPEX and full control. CAPEX stands for capital expenditure, which is the money spent on acquiring or upgrading physical assets such as servers, storage, and network equipment. A private cloud requires high CAPEX because the cloud owner has to invest in building and maintaining the cloud infrastructure. Full control means that the cloud owner has the exclusive authority and responsibility over the cloud resources, security, and operations. A private cloud offers full control because the cloud owner can customize the cloud according to their specific needs and preferences, and can ensure the privacy and compliance of their data and applications. Reference: Nokia Cloud Platform, Module by Module - Self Study Note Guide
NEW QUESTION # 45
What are the three key drivers required for video-based service in on-premise cloud? (Select 3)
- A. Capacity
- B. Convenience
- C. Privacy
- D. Latency
Answer: A,C,D
Explanation:
Latency, Privacy and Capacity are the three key drivers required for video-based service in on-premise cloud. Latency refers to the delay between the source and the destination of a video stream, which affects the quality of experience for the end-users. Privacy refers to the protection of the video content and the user data from unauthorized access or leakage. Capacity refers to the ability of the network and the cloud to handle the high bandwidth and storage demands of video applications. On-premise cloud is a cloud deployment model where the cloud infrastructure is located within the enterprise premises, and is managed by the enterprise or a third-party service provider. On-premise cloud can offer lower latency, higher privacy and greater capacity for video-based service than public cloud, which is located outside the enterprise premises and is shared by multiple tenants. Reference: Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.3: Cloud Deployment Models.
NEW QUESTION # 46
What is the approximate maximum distance of an Edge Cloud from the end-user?
- A. 300KM
- B. 10Q0KM
- C. 5000KM
- D. 10000KM
Answer: A
Explanation:
The approximate maximum distance of an Edge Cloud from the end-user is 300KM. Edge Cloud is a type of cloud deployment that brings cloud resources closer to the end-user, reducing latency and improving performance1. Edge Cloud can be located at various distances from the end-user, depending on the use case and the network topology2. However, the general range of distance for Edge Cloud is between 10KM and 300KM3. 10000KM, 5000KM, and 10Q0KM are too far to be considered as Edge Cloud, as they would introduce significant delays and inefficiencies in the network.
NEW QUESTION # 47
Cloud resource management provides which of the following? (Select 2)
- A. Resources when available.
- B. Best effort communication for all tenants.
- C. The ability to scale resources up and down.
- D. Management of the resources quota.
Answer: C,D
Explanation:
Cloud resource management provides management of the resources quota and the ability to scale resources up and down. Resource quota is the limit on the amount of resources that a tenant can use in a cloud environment, such as CPU, memory, storage, network, etc. Resource quota helps to prevent overconsumption of resources by a single tenant and to ensure fair allocation of resources among multiple tenants. The ability to scale resources up and down means that the cloud can dynamically adjust the amount of resources allocated to a tenant based on the demand and availability. Scaling resources up and down helps to optimize the performance and efficiency of the cloud, as well as to reduce the cost and waste of resources. Reference: Nokia Bell Labs Distributed Cloud Networks, Cloud Resource Planning
NEW QUESTION # 48
Which of the following techniques provide the benefit of faster deployment? (Select 2)
- A. Network automation
- B. Manual configuration
- C. Service automation
- D. Manual service deployment
Answer: A,C
Explanation:
Service automation and network automation are two techniques that provide the benefit of faster deployment. Service automation is the process of using software tools and predefined workflows to create, configure, and manage cloud services without human intervention1. Network automation is the process of using software tools and predefined policies to orchestrate, monitor, and optimize network resources and functions without human intervention2. Both techniques can reduce the time, cost, and errors associated with manual service deployment and configuration, and enable faster and more agile service delivery and network operations3. Manual service deployment and manual configuration are not techniques that provide the benefit of faster deployment, as they require human intervention and are prone to human errors, delays, and inefficiencies4. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 5: New Services Automation, Section 5.2: Service Automation 2: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, Section 4.2: Network Automation 3: Nokia, A1 and Microsoft deploy industry's first 5G edge cloud network slicing solution for enterprises 4: Nokia Bell Labs Distributed Cloud Networks, Unit 5: New Services Automation, Section 5.3: Service Automation Benefits and Challenges
NEW QUESTION # 49
Select the best option below to complete the following sentence.
The E2E Orchestrator for VMs is the same as_____for containers.
- A. Software as a service
- B. Infrastructure as a Service
- C. Containers as a Service
- D. Platform as a Service
Answer: C
Explanation:
Containers as a Service (CaaS) is the same as the E2E Orchestrator for VMs for containers. CaaS is a cloud service model that allows users to deploy and manage containerized applications on a cloud platform. CaaS provides the necessary infrastructure, orchestration, networking, and security for running containers. The E2E Orchestrator for VMs is a Nokia solution that provides similar capabilities for virtual machines (VMs). The E2E Orchestrator for VMs enables the creation, deployment, and management of VMs on a distributed cloud platform. It also supports network slicing, security, and automation features.
Reference:
Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, slide 19 Nokia Cloud Platform, paragraph 1 Nokia Bell Labs End-to-End 5G Certification, page 4
NEW QUESTION # 50
Multitenancy in cloud computing defines?
- A. A set of cloud resources shared by several customers.
- B. A set of cloud resources isolated from each other.
- C. A set of cloud resources assigned to the same network slice.
- D. A set of cloud resources located in different data centers.
Answer: A
Explanation:
Multitenancy in cloud computing defines a set of cloud resources shared by several customers. Multitenancy is a feature of cloud computing that allows multiple customers, or tenants, to use the same cloud infrastructure and services, such as servers, storage, network, and applications, while maintaining their own data and configuration. Multitenancy enables cloud providers to optimize the utilization and allocation of cloud resources, reduce the cost and complexity of cloud operations, and offer scalable and flexible services to different customers. Multitenancy also benefits customers by providing them with on-demand access to cloud resources, pay-per-use pricing models, and enhanced security and isolation. The other options are not correct definitions of multitenancy in cloud computing. A set of cloud resources isolated from each other is a single-tenant model, where each customer has its own dedicated cloud infrastructure and services. A set of cloud resources located in different data centers is a distributed cloud model, where cloud resources are spread across multiple physical locations to provide low latency, high availability, and local compliance. A set of cloud resources assigned to the same network slice is a network slicing model, where a logical network is created over a shared physical network to support specific applications and customers with customized performance, quality, and security. Reference: Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.2: Cloud Characteristics.
NEW QUESTION # 51
The design of a data center manager includes which of the following? (Select 3)
- A. People enablement
- B. Effective process methodology
- C. Appropriate tools
- D. Cost of tools
Answer: A,B,C
Explanation:
A data center manager is responsible for overseeing the operation, maintenance, and security of a data center, as well as planning and implementing changes and improvements1. To perform these tasks, a data center manager needs to have appropriate tools that can monitor, control, and automate the data center resources, such as servers, storage, network, power, cooling, etc.2. A data center manager also needs to enable people, such as data center staff, engineers, technicians, and customers, to access, use, and manage the data center services and applications3. Moreover, a data center manager needs to follow an effective process methodology that can ensure the quality, efficiency, and reliability of the data center operations, such as ITIL, DevOps, Agile, etc... Reference: 1: Data Center Manager: Roles, Responsibilities, and Skills, Introduction 2: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, Section 4.1: Industry Trends in Data Center Hardware 3: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, Section 4.2: Data Center Operations : Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, Section 4.3: Data Center Management Methodologies
NEW QUESTION # 52
What are the available options to interconnect private Datacenters? (Select 2)
- A. VLAN
- B. Backbone
- C. VIP
- D. VPN
Answer: B,D
Explanation:
The available options to interconnect private Datacenters are VPN and Backbone. VPN stands for Virtual Private Network, which is a secure and encrypted connection between two or more networks over the public internet. Backbone is a high-capacity network that connects different data centers across regions or countries. Both VPN and Backbone provide reliable, scalable, and secure data center interconnect (DCI) solutions for private/hybrid clouds. Reference: Nokia Cloud DCI offers a more scalable, reliable and secure way to connect data centers in private/hybrid clouds, Nokia business-critical cloud DCI solutions support multiple DCI applications, from real-time business continuity and disaster recovery, to synchronous data replication and cloud backup, Nokia partners with IP Telecom to deliver quantum-safe data center connectivity
NEW QUESTION # 53
Which of the following are true regarding Network Service Orchestration? (Select 2)
- A. It increases operational complexity.
- B. Is part of the 5G key enablers.
- C. It does not provide Geo redundancy.
- D. It automates NFV service.
Answer: B,D
Explanation:
Network Service Orchestration is the process of managing the lifecycle of network services across multiple domains and technologies. It automates NFV service by deploying, configuring, and scaling virtual network functions (VNFs) on demand. It is part of the 5G key enablers because it supports the dynamic and flexible provisioning of network slices and edge cloud applications. It does not increase operational complexity, but rather simplifies and optimizes it by using AI/ML and closed loop automation.
Reference:
Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks | Nokia Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 8 Nokia Bell Labs 5G Certification Program - Courses | Nokia, Distributed Cloud Networks, Unit 4: Operating Your Cloud
NEW QUESTION # 54
Which of the following are Software as a Service? (Select 2)
- A. Infrastructure-as-a-Service
- B. Database-as-a-Service
- C. Artificial Intelligence-as-a-Service
- D. Platform -as-a-Service
Answer: B,D
Explanation:
Software as a Service (SaaS) is a cloud computing offering that provides users with access to a vendor's cloud-based software. Users do not install applications on their local devices. Instead, the applications reside on a remote cloud network accessed through the web or an API. Within this context, Database-as-a-Service (DBaaS) is considered a form of SaaS, where the service provider manages the database's installation, maintenance, backup, and scaling needs on behalf of the customer. Platform-as-a-Service (PaaS) provides a platform allowing customers to develop, run, and manage applications without dealing with the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. PaaS can include various software components, including database management systems, and thus can be considered a subset of SaaS.
NEW QUESTION # 55
What is the most critical benefit a cloud native deployment provides when deploying applications in complex and very low predictive environments?
- A. Reliability
- B. Adaptability
- C. Capability
Answer: B
Explanation:
Adaptability is the most critical benefit a cloud native deployment provides when deploying applications in complex and very low predictive environments. Cloud native applications are designed to be modular, scalable, resilient, and portable across different cloud platforms1. They can leverage the cloud features such as automation, orchestration, and service discovery to dynamically adjust to changing conditions and demands2. This enables them to cope with the complexity and unpredictability of the environments they operate in, such as edge computing, industrial automation, and smart cities3. Capability and reliability are also important benefits of cloud native deployment, but they are not the most critical ones. Capability refers to the ability to deliver high-performance and feature-rich applications that meet the user and business needs1. Reliability refers to the ability to ensure the availability and consistency of the applications despite failures or errors1. However, these benefits are not sufficient if the applications cannot adapt to the evolving and diverse scenarios they face in the real world. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.3: Cloud Native applications design 2: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.5: Microservices and Containerization 3: Google Cloud, Nokia partner to accelerate cloud-native 5G3
NEW QUESTION # 56
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Nokia BL0-220 Certification Exam is ideal for network architects, network engineers, and technical professionals who are responsible for designing, deploying, and managing Nokia Bell Labs Distributed Cloud Networks. Nokia Bell Labs Distributed Cloud Networks Exam certification is recognized globally and demonstrates the ability to work with the latest technologies in the networking industry. BL0-220 exam is designed to test the candidate’s knowledge and skills in various areas related to Nokia Bell Labs Distributed Cloud Networks, including network automation, cloud computing, and software-defined networking. By passing BL0-220 exam, professionals can prove their proficiency in Nokia Bell Labs Distributed Cloud Networks and enhance their career prospects.
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