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Most Recent Nokia BL0-220 Exam Questions & Answers


Prepare for the Nokia Bell Labs Distributed Cloud Networks exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Nokia BL0-220 exam and achieve success.

The questions for BL0-220 were last updated on Jan 20, 2025.
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Question No. 1

What is the primary benefit of an Edge Cloud?

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Correct Answer: A

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 Types2: Nokia Bell Labs Distributed Cloud Networks, Unit 5: New Services Automation, Section 5.1: Industry 4.0 Use Cases


Question No. 2

Cloud resource management provides which of the following? (Select 2)

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Correct Answer: A, C

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


Question No. 3

What are the main parameters of policy-based auto-scaling? (Select 2)

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Correct Answer: A, B

The main parameters of policy-based auto-scaling arethresholdandmin/max values.Threshold is the value of a metric that triggers the scaling action, such as CPU utilization or memory usage1.Min/max values are the minimum and maximum number of instances or resources that can be scaled up or down1. Priority and description are not parameters of policy-based auto-scaling.Priority is the order of execution of policies in case of conflicting or overlapping conditions2.Description is the optional text that provides additional information about the policy2.Reference:1:Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 242:Nokia CloudBand Application Manager User Guide, Chapter 9: Scaling Policies, page 151


Question No. 4

Select the best option below to complete the following sentence.

Different paths for a NF providing Cloud Resilience are defined in a_____?

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Correct Answer: B

Different paths for a NF providing Cloud Resilience are defined in aNetwork Service Descriptor. A Network Service Descriptor (NSD) is a document that describes the topology, configuration, and requirements of a network service.It specifies the network functions (NFs) that compose the service, the virtual links that connect them, and the forwarding graphs that define the traffic flows between them1.A NSD also defines the resilience policies for each NF, such as the number of instances, the scaling triggers, the fault management actions, and the alternative paths in case of failures2. A Network Function template, an NS Orchestrator configuration, and an NFV Orchestrator configuration are not the correct options to complete the sentence.A Network Function template is a document that describes the characteristics and requirements of a single network function, such as the virtualization environment, the resources, the interfaces, and the dependencies1.An NS Orchestrator configuration is a set of parameters that control the behavior and operation of the NS Orchestrator, which is a component that manages the lifecycle of network services3.An NFV Orchestrator configuration is a set of parameters that control the behavior and operation of the NFV Orchestrator, which is a component that coordinates the allocation and release of resources for network services3.Reference:1: Nokia Bell Labs Distributed Cloud Networks, Unit 3: Cloud Resource Planning, Section 3.2: Network Function2: Nokia Bell Labs Distributed Cloud Networks, Unit 3: Cloud Resource Planning, Section 3.3: Network Service Descriptor Role3: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, Section 4.1: Industry Trends in Data Center Hardware


Question No. 5

Which of the following statements is correct regarding distributed cloud and cloud options?

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Correct Answer: B

Distributed cloud is a concept that refers to the deployment of cloud services across multiple locations, such as public, private, hybrid, or edge clouds1.Cloud options are the different types of cloud models that can be used to meet the specific needs and requirements of different applications and users2.Cloud options are complementary with distributed cloud, as they enable the flexibility and scalability of cloud services across the cloud continuum3.Therefore, option B is the correct statement, while options A and C are incorrect.Reference:1:Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Topic: Distributed Cloud Description2:Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Topic: Cloud Options3:Cloud continuum | Nokia, Overview


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