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Nokia BL0-220 Exam Questions
- Topic 1: DCN Concepts and Use Cases: This topic will explore the fundamentals of DCN technology, including its benefits, limitations, and various use cases across different industries.
- Topic 2: DCN Architecture and Components: Understanding the different building blocks of a DCN is crucial. This topic will likely cover components like cloud platforms, edge nodes, orchestration systems, and network fabrics.
- Topic 3: Containerization and Orchestration: Containers are a key technology for deploying and managing applications in a DCN environment. This topic will delve into containerization concepts like Docker and explore orchestration tools like Kubernetes.
- Topic 4: Network Slicing: Network slicing allows creating virtual networks on top of a shared physical infrastructure. This topic will likely cover the concepts of network slicing, its benefits, and use cases in 5G networks.
- Topic 5: Edge Computing: Distributed Cloud Networks heavily rely on edge computing principles. The topic will explore edge computing fundamentals, its role in DCN, and how processing power is distributed to the network edge.
- Topic 6: Security in DCN: Security is paramount in any network. This topic will likely cover security considerations specific to DCN environments, including access control, data encryption, and threat mitigation strategies.
Free Nokia BL0-220 Exam Actual Questions
Note: Premium Questions for BL0-220 were last updated On Jun. 29, 2025 (see below)
Select the option that best completes the following sentence.
____is a key component in the Closed loop automation.
A Policy Database is a key component in Closed Loop Automation. It stores the policies that govern the automated decision-making processes within a system. These policies define the actions to be taken in response to specific events or conditions, enabling the system to automatically adjust its operations without human intervention, thus increasing efficiency and responsiveness.
Which one of the following requires a Network Service Descriptor defined in a catalog?
A Network Service Descriptor (NSD) is an integral part of network function virtualization (NFV) architecture. It describes the composition of network services, including how different network functions are chained or combined to provide a specific service. Cloud orchestration involves the automated management of various cloud computing services and resources, including networking services. It requires a comprehensive description of these services (i.e., NSD) to automate their deployment, scaling, and management effectively. NSD in a catalog would be used to define the parameters and configurations needed for the orchestrated service to be deployed in a cloud environment, making cloud orchestration the most likely context for requiring an NSD.
Which of the following are Software as a Service? (Select 2)
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.
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