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Nokia BL0-220 Exam Questions

Exam Name: Nokia Bell Labs Distributed Cloud Networks
Exam Code: BL0-220
Related Certification(s): Nokia Bell Labs 5G Certification
Certification Provider: Nokia
Number of BL0-220 practice questions in our database: 60 (updated: Jun. 08, 2025)
Expected BL0-220 Exam Topics, as suggested by Nokia :
  • 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.
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Anisha

2 days ago
Pass4Success's exam prep was spot-on for the Nokia cert. Passed with confidence!
upvoted 0 times
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Lashanda

2 months ago
Nokia Bell Labs DCN exam: passed! All thanks to Pass4Success's relevant practice questions.
upvoted 0 times
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Dahlia

3 months ago
Grateful for Pass4Success. Their questions helped me ace the Nokia cert in record time.
upvoted 0 times
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Bev

4 months ago
Pass4Success's exam questions were a game-changer. Just passed the Nokia Bell Labs DCN cert!
upvoted 0 times
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Maile

5 months ago
Passed my Nokia cert exam today. Pass4Success's materials were crucial for my quick preparation.
upvoted 0 times
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Penney

5 months ago
Just passed the Nokia Bell Labs Distributed Cloud Networks exam! The Pass4Success questions were a great help. One tricky question was about Containerization and Orchestration, asking how Docker containers differ from virtual machines. I had to guess, but I passed.
upvoted 0 times
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Jolene

6 months ago
Thanks Pass4Success! Your practice questions made the Nokia Bell Labs DCN exam a breeze.
upvoted 0 times
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Lang

6 months ago
I passed the Nokia Bell Labs Distributed Cloud Networks exam with the help of Pass4Success practice questions. There was a difficult question on DCN Architecture and Components, asking about the function of the data plane. I wasn't sure of my answer, but I still made it through.
upvoted 0 times
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James

6 months ago
I successfully passed the Nokia Bell Labs Distributed Cloud Networks exam, thanks to Pass4Success. One question that puzzled me was about Network Slicing, specifically how to ensure isolation between different network slices. I wasn't confident in my answer, but I passed anyway.
upvoted 0 times
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Huey

7 months ago
Couldn't have passed the Nokia cert without Pass4Success. Their questions matched the real exam perfectly.
upvoted 0 times
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Cassie

7 months ago
Thrilled to have passed the Nokia Bell Labs Distributed Cloud Networks exam! The Pass4Success questions were invaluable. There was a tough question on DCN Concepts and Use Cases, asking about the advantages of distributed cloud networks over traditional ones. I wasn't entirely sure, but I still passed.
upvoted 0 times
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Broderick

7 months ago
I just passed the Nokia Bell Labs Distributed Cloud Networks exam, and Pass4Success was a big help. One question that caught me off guard was about Security in DCN, particularly how to implement zero-trust architecture. I wasn't sure of my answer, but I managed to pass.
upvoted 0 times
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Shayne

8 months ago
Pass4Success came through for my Nokia Bell Labs DCN exam. Passed with flying colors!
upvoted 0 times
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Larae

8 months ago
Happy to announce that I passed the Nokia Bell Labs Distributed Cloud Networks exam! The Pass4Success practice questions were spot on. There was a question on Edge Computing that asked about the benefits of processing data closer to the source. I had to guess a bit, but I still succeeded.
upvoted 0 times
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Jestine

8 months ago
I passed the Nokia Bell Labs Distributed Cloud Networks exam, thanks to Pass4Success. One challenging question was about Containerization and Orchestration, specifically how Kubernetes manages containerized applications. I wasn't completely confident in my answer, but I passed nonetheless.
upvoted 0 times
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Azzie

8 months ago
Aced the Nokia cert thanks to Pass4Success. Their exam questions were a lifesaver for last-minute studying.
upvoted 0 times
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Lachelle

9 months ago
Just cleared the Nokia Bell Labs Distributed Cloud Networks exam! The Pass4Success questions were a lifesaver. There was a tricky question on Network Slicing, asking how to allocate resources dynamically to different slices based on varying demands. I had to think hard about that one, but I still made it through.
upvoted 0 times
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Nu

9 months ago
Thank you Pass4Success for the relevant exam questions! Your materials were crucial in helping me pass the Nokia Certified: Nokia Bell Labs Distributed Cloud Networks exam in such a short time.
upvoted 0 times
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Stephane

9 months ago
I recently passed the Nokia Bell Labs Distributed Cloud Networks exam, and I must say that the Pass4Success practice questions were incredibly helpful. One question that stumped me was about the different layers involved in DCN Architecture and Components. Specifically, it asked about the role of the control plane in managing network resources. I wasn't entirely sure of the answer, but I managed to pass the exam.
upvoted 0 times
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Carey

9 months ago
Just passed the Nokia Bell Labs DCN exam! Pass4Success's questions were spot-on. Thanks for the quick prep!
upvoted 0 times
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Shawnda

12 months ago
Success! Nokia certification in the bag. Pass4Success's exam questions were incredibly helpful. Prepared me perfectly in a short time!
upvoted 0 times
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Ty

12 months ago
Passed the Nokia Bell Labs exam today! Big thanks to Pass4Success for their accurate practice questions. Saved me so much time!
upvoted 0 times
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Wei

12 months ago
Edge computing was a significant part of the exam. You might encounter questions on edge deployment models and use cases. Make sure to study the differences between various edge computing scenarios. Pass4Success provided excellent materials on this topic, which greatly contributed to my success in passing the exam.
upvoted 0 times
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Adrianna

1 years ago
Nokia certification achieved! Pass4Success's relevant questions were a lifesaver. Couldn't have done it without their efficient prep materials.
upvoted 0 times
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Danica

1 years ago
Just passed the Nokia Bell Labs Distributed Cloud Networks exam! Pass4Success's practice questions were spot-on. Thanks for helping me prepare so quickly!
upvoted 0 times
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France

1 years ago
Whew, that exam was tough! Grateful for Pass4Success - their materials made all the difference. Passed with flying colors!
upvoted 0 times
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Free Nokia BL0-220 Exam Actual Questions

Note: Premium Questions for BL0-220 were last updated On Jun. 08, 2025 (see below)

Question #1

Which one of the following requires a Network Service Descriptor defined in a catalog?

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Correct Answer: B

A Network Service Descriptor (NSD) is a template that defines the characteristics and requirements of a network service, such as the number and type of virtual network functions (VNFs), the connectivity and topology between them, the scaling policies, and the service level agreements1.A NSD is defined in a catalog that is managed by the cloud orchestration layer, which is responsible for deploying, monitoring, and controlling the network services across the distributed cloud2.Therefore, cloud orchestration requires a NSD defined in a catalog, while the other options do not.Reference:1:Nokia Bell Labs Distributed Cloud Networks, Unit 3: Cloud Resource Planning, Topic: Network Service Descriptor Role2:Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, Topic: Cloud Orchestration

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.


Question #2

Which of the following are Software as a Service? (Select 2)

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Correct Answer: A, D

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.


Question #4

What is the main advantage of development concepts such DevOps and CI/CD used in cloud native applications?

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Correct Answer: C

To reduce time and complexity for development and deployment. Comprehensive Explanation and Reference of Correct Answer: The main advantage of development


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

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