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BL0-220 Exam Questions & Answers

Nokia Bell Labs Distributed Cloud Networks  •  Nokia

60 Questions Updated Sep 2026 99% Pass Rate
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Sample BL0-220 Questions

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Q1 MultipleChoice

What is the most critical benefit a cloud native deployment provides when deploying applications in complex and very low predictive environments?

Correct 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 design2: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.5: Microservices and Containerization3: Google Cloud, Nokia partner to accelerate cloud-native 5G3

Q2 MultipleChoice

Select the best option below to complete the following sentence.

The_________is used to orchestrate and manage traffic through VNFs.

Correct Answer: B
Explanation:

The best option to complete the sentence isVNF Forwarding Graph.A VNF Forwarding Graph (VNF-FG) is a logical representation of a network service that consists of a set of interconnected Virtual Network Functions (VNFs) and the traffic flows between them1.The VNF-FG is used to orchestrate and manage traffic through VNFs by specifying the order and the requirements of the VNFs that need to be traversed by the traffic2.The VNF-FG also defines the connection points, virtual links, and network forwarding paths that are involved in the service delivery3.Reference:1:VNF Forwarding Graph and Network Service-Beginner's Guide, Introduction2:A survey of VNF forwarding graph embedding in B5G/6G networks - Springer, Section 13:A Deep Reinforcement Learning Approach for VNF Forwarding Graph Embedding, Section I

Q3 MultipleChoice

It is possible to run a cloud solution in a Single Node.

Correct Answer: B
Explanation:

It is not possible to run a cloud solution in a Single Node.A cloud solution requires a minimum of three nodes to provide high availability, scalability, and fault tolerance1.A Single Node is a standalone server that does not have any redundancy or load balancing features2. A Single Node can be used for testing or development purposes, but not for production or deployment of cloud applications.

Q4 MultipleChoice

Hyperscale computing relies on scalable server architecture.

Correct Answer: A
Explanation:

Hyperscale computing relies on scalable server architecture.This is true because hyperscale computing is a type of cloud computing that aims to provide massive scalability, performance, and efficiency for large-scale applications and data processing1.Hyperscale computing requires a scalable server architecture that can support thousands or millions of servers that are interconnected by high-speed networks2.Scalable server architecture enables hyperscale computing to handle increasing workloads, optimize resource utilization, and reduce operational costs3.Reference:1: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, Section 4.1: Industry Trends in Data Center Hardware2: How Nokia Bell Labs' new serverless computing design will take cloud computing to the next level43: Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks1

Q5 MultipleChoice

Which of the following cloud deployments provide the lowest latency? (Select 2)

Correct Answer: A, B
Explanation:

On-premise Edge Cloud and Metro Edge Cloud are the cloud deployments that provide the lowest latency.Latency is the time it takes for data to travel from the source to the destination1.On-premise Edge Cloud is a cloud deployment that is located within the premises of the end-user, such as a factory, a hospital, or a campus2.Metro Edge Cloud is a cloud deployment that is located within the same metropolitan area as the end-user, such as a city or a suburb3.Both On-premise Edge Cloud and Metro Edge Cloud reduce the distance and the number of hops that data has to travel, resulting in lower latency and higher performance4. Far Edge Cloud and Central Cloud are not the cloud deployments that provide the lowest latency.Far Edge Cloud is a cloud deployment that is located at the edge of the operator's network, such as a regional data center or a base station3.Central Cloud is a cloud deployment that is located at the core of the operator's network, such as a national data center or a cloud provider3.Both Far Edge Cloud and Central Cloud increase the distance and the number of hops that data has to travel, resulting in higher latency and lower performance4.

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Frequently Asked Questions

The BL0-220 exam covers distributed cloud networking concepts, architecture, deployment models, and Nokia's solutions for cloud-native environments. It includes topics such as edge computing, network slicing, virtualization technologies, and service orchestration in distributed cloud scenarios.

The BL0-220 exam is designed for network professionals, cloud architects, and Nokia solution consultants who want to validate their expertise in distributed cloud networking. It's ideal for individuals working with or implementing Nokia Bell Labs solutions in cloud and edge computing environments.

The specific passing score for the BL0-220 exam typically requires a percentage-based performance threshold, which is usually around 70% of total points. Candidates should check Nokia's official certification website for the exact passing score and current exam requirements.

The BL0-220 exam is generally designed as a proctored test with a specific time limit, typically ranging from 90 to 120 minutes. The exact number of questions and time allocation can vary, so candidates should verify current exam specifications through Nokia's official certification resources.

Nokia typically provides official training courses, documentation, study guides, and practice materials to help candidates prepare for the BL0-220 exam. Additionally, hands-on experience with Nokia Bell Labs distributed cloud solutions and relevant online communities can enhance exam readiness.
Exam Details
  • Exam CodeBL0-220
  • VendorNokia
  • Total Questions60
  • LanguageEnglish
  • Last UpdatedSep 3, 2026
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