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As the telecommunications industry continues to evolve, there is a growing need for advanced technologies to support the increasing demand for data and network reliability. Nokia Bell Labs Distributed Cloud Networks provide essential solutions to meet these needs. The Nokia BL0-220 exam is designed to test the knowledge and skills of professionals working with Nokia Bell Labs Distributed Cloud Networks.
NEW QUESTION # 29
In a cloud deployment, SaaS can stand for which of the following? (Select 2)
- A. Security as a Service
- B. Software as a Service
- C. Service as a Service
- D. Stack as a Service '
Answer: A,B
NEW QUESTION # 30
The design of a data center manager includes which of the following? (Select 3)
- A. Appropriate tools
- B. Effective process methodology
- C. People enablement
- 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 # 31
Select the best option below to complete the following sentence.
Different paths for a NF providing Cloud Resilience are defined in a_____?
- A. Network Function template
- B. NS Orchestrator configuration
- C. Network Service Descriptor
- D. NFV Orchestrator configuration
Answer: C
Explanation:
Different paths for a NF providing Cloud Resilience are defined in a Network 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 Function 2: Nokia Bell Labs Distributed Cloud Networks, Unit 3: Cloud Resource Planning, Section 3.3: Network Service Descriptor Role 3: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, Section 4.1: Industry Trends in Data Center Hardware
NEW QUESTION # 32
Does the technology layer function support automated service delivery?
- A. No
- B. Yes
Answer: B
Explanation:
The technology layer function supports automated service delivery by providing the necessary tools and mechanisms to orchestrate, monitor, and optimize the cloud resources and services. The technology layer function consists of four sub-functions: cloud management, cloud orchestration, cloud automation, and cloud analytics. These sub-functions work together to enable the efficient and flexible operation of the cloud ecosystem.
Reference:
Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks | Nokia Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, slide 11 Nokia Bell Labs 5G Certification Program - Courses | Nokia, Distributed Cloud Networks, Unit 2: Cloud Technologies and Features
NEW QUESTION # 33
Which of the following are true regarding Network Service Orchestration? (Select 2)
- A. Is part of the 5G key enablers.
- B. It automates NFV service.
- C. It does not provide Geo redundancy.
- D. It increases operational complexity.
Answer: A,B
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 # 34
Select the best option below to complete the following sentence.
The_________is used to orchestrate and manage traffic through VNFs.
- A. Connection Point
- B. VNF Forwarding Graph
- C. Network Forwarding Path.
- D. Virtual Link
Answer: B
Explanation:
The best option to complete the sentence is VNF 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, Introduction 2: A survey of VNF forwarding graph embedding in B5G/6G networks - Springer, Section 1 3: A Deep Reinforcement Learning Approach for VNF Forwarding Graph Embedding, Section I
NEW QUESTION # 35
How are cloud resources are made available to customers?
- A. As virtualized resources.
- B. As direct cloud hardware.
- C. By access to the cloud infrastructure.
Answer: A
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 # 36
What is the sequence of the evolution of Network Functions?
- A. Cloud-Native Network Functions -> Physical Network Functions -> Virtual Network Functions
- B. Virtual Network Functions -> Cloud-Native Network Functions -> Physical Network Functions
- C. Virtual Network Functions -> Physical Network Functions -> Cloud-Native Network Functions
- D. Physical Network Functions -> Virtual Network Functions -> Cloud-Native Network Functions
Answer: D
Explanation:
Physical Network Functions (PNFs) are the traditional network functions that run on dedicated hardware appliances, such as routers, switches, firewalls, etc1. Virtual Network Functions (VNFs) are the network functions that run on virtual machines (VMs) on top of a common hardware platform, such as servers, storage, and network1. Cloud-Native Network Functions (CNFs) are the network functions that run on containers orchestrated by Kubernetes on a cloud infrastructure1. The evolution of Network Functions reflects the trend of moving from hardware-centric to software-centric and cloud-based solutions, which offer more flexibility, scalability, and efficiency12. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, slide 18 2: Nokia Bell Labs 5G Certification Program - Blended Learning, Section 2: Distributed Cloud Networks, slide 11
NEW QUESTION # 37
Which of the following cloud deployments provide the lowest latency? (Select 2)
- A. Far Edge Cloud
- B. Central Cloud
- C. Metro Edge Cloud
- D. On-premise Edge Cloud
Answer: C,D
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.
NEW QUESTION # 38
Which of the following are characteristics of traditional monolithic services. (Select 2)
- A. Low scalability
- B. Very light weight application
- C. Fixed capacity
- D. Very fast deployment
Answer: A,C
Explanation:
The characteristics of traditional monolithic services are low scalability and fixed capacity. Monolithic services are applications that are built as a single unit, where all the components are tightly coupled and run in the same process. This makes them hard to scale, as they require more resources and coordination to handle increased demand. Monolithic services also have fixed capacity, as they are designed for a specific workload and cannot adapt to changing requirements or traffic patterns. Monolithic services are often slow to deploy, as they require updating the entire application for any change or improvement. Reference: [Cloud Native applications design], [Microservices and Containerization]
NEW QUESTION # 39
In a cloud deployment, SaaS can stand for which of the following? (Select 2)
- A. Security as a Service
- B. Software as a Service
- C. Service as a Service
- D. Stack as a Service '
Answer: A,B
Explanation:
Security as a Service and Software as a Service are two examples of SaaS in a cloud deployment. Security as a Service is a model where security services such as firewall, antivirus, encryption, etc. are delivered over the Internet by a cloud provider1. Software as a Service is a model where software applications such as email, CRM, ERP, etc. are hosted and managed by a cloud provider and accessed by users over the Internet2. Stack as a Service and Service as a Service are not valid terms for SaaS in a cloud deployment. Stack as a Service is a typo for Stack Overflow, a popular online platform for developers3. Service as a Service is a redundant and meaningless term that does not describe any cloud service model4. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 1: Cloud Ecosystem, Section 1.3: Cloud Service Models 2: Nokia Bell Labs Distributed Cloud Networks, Unit 1: Cloud Ecosystem, Section 1.3: Cloud Service Models 3: Stack Overflow 4: What is Service as a Service (SaaS)?
SaaS within cloud computing primarily stands for Software as a Service, which delivers software applications over the internet on a subscription basis. It allows users to connect to and use cloud-based apps over the Internet, such as email, calendaring, and office tools (like Microsoft Office 365). Security as a Service (SECaaS) is an outsourcing model for security management. Typically, businesses utilize this service for functions like anti-virus software, intrusion detection, and authentication. SECaaS is also considered a type of SaaS where security services are delivered remotely via the internet. Therefore, both Software as a Service and Security as a Service are correct answers, emphasizing the diversity of services provided through the SaaS model beyond just software applications.
NEW QUESTION # 40
Which of the following are AI hardware solutions? (Select 2)
- A. DataLake
- B. EyeQ
- C. Sparks
- D. Habana
Answer: B,D
Explanation:
Habana and EyeQ are two examples of AI hardware solutions that are designed to accelerate deep learning and computer vision applications. Habana is a company that produces AI processors for both training and inference workloads1. EyeQ is a family of system-on-chips (SoCs) developed by Mobileye for advanced driver-assistance systems (ADAS) and autonomous driving2. DataLake and Sparks are not AI hardware solutions. DataLake is a term that refers to a large-scale data storage architecture that can store structured, semi-structured, and unstructured data from various sources3. Sparks is a misspelling of Spark, which is an open-source distributed computing framework for large-scale data processing and machine learning4. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 4: AI/ML in Cloud Networks, Section 4.2: AI Hardware 2: Nokia Bell Labs Distributed Cloud Networks, Unit 4: AI/ML in Cloud Networks, Section 4.2: AI Hardware 3: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.4: Cloud Storage 4: Nokia Bell Labs Distributed Cloud Networks, Unit 4: AI/ML in Cloud Networks, Section 4.3: AI Software
NEW QUESTION # 41
Which of the following statements are correct regarding the characteristics of microservices? (Select 2)
- A. Microservices are limited to 10 per application.
- B. Microservices are chained in order to build an application.
- C. All functions are the same in microservices.
- D. Monolithic applications breaks functions in small pieces called microservices.
Answer: B,D
Explanation:
Microservices are a design principle for cloud-native applications, where each application is composed of a set of small, independent, and loosely coupled services that communicate with each other through well-defined interfaces1. Microservices have the following characteristics2:
Microservices are chained in order to build an application, meaning that they are connected by a network and exchange messages or data to perform a specific function or task.
Microservices are differentiated by function, meaning that each microservice has a single responsibility and performs a distinct function within the application.
Microservices are derived from monolithic applications, meaning that they are created by breaking down a large and complex application into smaller and simpler pieces that can be developed, deployed, and scaled independently.
Microservices are scalable and resilient, meaning that they can handle variable workloads and recover from failures without affecting the whole application.
Therefore, the correct statements are A and C, while B and D are incorrect. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Topic: Microservices and Containerization 2: Module by Module - Self Study Note Guide, DC2.4- Microservices and Containerization
NEW QUESTION # 42
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 # 43
Hyperscale computing relies on scalable server architecture.
- A. True
- B. False
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 Hardware 2: How Nokia Bell Labs' new serverless computing design will take cloud computing to the next level4 3: Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks1
NEW QUESTION # 44
What is the main advantage of development concepts such DevOps and CI/CD used in cloud native applications?
- A. To reduce time and complexity for development and deployment.
- B. To increase the number of check point in development and deployment procedures.
- C. To eliminate validation phase of application development.
- D. To separate development and deployment in different phases.
Answer: A
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 # 45
Which of the following are Software as a Service? (Select 2)
- A. Platform -as-a-Service
- B. Database-as-a-Service
- C. Artificial Intelligence-as-a-Service
- D. Infrastructure-as-a-Service
Answer: A,B
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 # 46
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Nokia BL0-220 exam is designed for professionals who want to validate their skills and knowledge in Nokia Bell Labs Distributed Cloud Networks. Nokia Bell Labs Distributed Cloud Networks Exam certification exam is an excellent opportunity for individuals who are looking to advance their careers in the telecommunications industry. The Nokia BL0-220 exam is a professional level certification exam that tests one's knowledge in designing, implementing, and managing Nokia Bell Labs Distributed Cloud Networks.
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