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NEW QUESTION # 15
Does the technology layer function support automated service delivery?
- A. Yes
- B. No
Answer: A
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 # 16
Kubemetes is a:
- A. Orchestrator
- B. Platform
- C. Hypervisor
- D. Template
Answer: A
Explanation:
Kubernetes is an orchestrator, which is a software system that automates the deployment, scaling, and management of containerized applications1. Kubernetes allows users to define the desired state and configuration of their applications, and then ensures that the actual state matches the desired state2. Kubernetes also provides features such as service discovery, load balancing, storage management, and self-healing3. Therefore, option B best describes Kubernetes, while options A, C, and D are incorrect. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Topic: Microservices and Containerization 2: What is Kubernetes? | Kubernetes, Overview 3: Kubernetes - an overview | ScienceDirect Topics, Overview
NEW QUESTION # 17
Which of the following contains the configuration of a VNF or CNF?
- A. Virtual management file
- B. Container runtime
- C. Runtime configuration.
- D. YAML XML template file
Answer: D
Explanation:
A YAML XML template file contains the configuration of a VNF or CNF. A VNF stands for Virtual Network Function, which is a software-based network function that runs on a virtual machine or a container. A CNF stands for Cloud-native Network Function, which is a network function that is designed and implemented using cloud-native principles and technologies, such as microservices, containers, and Kubernetes. A YAML XML template file is a file that defines the structure, parameters, and dependencies of a VNF or CNF, as well as the resources and policies required to deploy and manage it. A YAML XML template file is based on the TOSCA (Topology and Orchestration Specification for Cloud Applications) standard, which is a language for describing the components and relationships of complex cloud applications. A YAML XML template file is used by the MANO (Management and Orchestration) system to instantiate, configure, and operate a VNF or CNF on the cloud infrastructure. Reference: Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.4: Cloud Software and Hardware Resources.
NEW QUESTION # 18
What is the primary benefit of an Edge Cloud?
- A. Low latency
- B. Low Cost
- C. High Availability
- D. Large Bandwidth
Answer: A
Explanation:
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 Types 2: Nokia Bell Labs Distributed Cloud Networks, Unit 5: New Services Automation, Section 5.1: Industry 4.0 Use Cases
NEW QUESTION # 19
What does the standardization of network functions provide? (Select 2)
- A. Simplicity for the implementation.
- B. Well defined interfaces.
- C. Defined functional elements.
- D. Flexible rules open to interpretation.
Answer: B,C
Explanation:
The standardization of network functions provides well defined interfaces and defined functional elements. Well defined interfaces are the specifications that describe how network functions communicate and interact with each other and with other network components. Defined functional elements are the components that perform specific tasks or functions within the network. By standardizing these aspects, network functions can achieve interoperability, compatibility, and modularity, which are essential for building and deploying network services.
Reference:
Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Unit 3: Cloud Resource Planning, slide 13 Module by Module - Self Study Note Guide, DC3.2- Network Function, page 13
NEW QUESTION # 20
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 # 21
Which of the following is the mandatory key driver to consider for Cloud RAN/vRAN deployment?
- A. Low latency
- B. Low capacity
- C. High capacity
- D. Privacy
Answer: A
Explanation:
Low latency is the mandatory key driver to consider for Cloud RAN/vRAN deployment. Cloud RAN stands for Cloud Radio Access Network, which is a network architecture that centralizes the baseband processing of multiple radio sites in a cloud platform. vRAN stands for virtualized RAN, which is a network architecture that implements the baseband processing as software functions running on virtual machines or containers in a cloud platform. Both Cloud RAN and vRAN aim to improve the performance, efficiency, and flexibility of the radio access network by leveraging cloud technologies. Low latency refers to the minimal delay between the source and the destination of a data transmission, which affects the quality of service and user experience for various applications. Low latency is a critical requirement for Cloud RAN/vRAN deployment, as it ensures the timely and reliable delivery of radio signals between the centralized cloud platform and the distributed radio sites. Low latency also enables Cloud RAN/vRAN to support new 5G use cases that demand ultra-reliable and low-latency communications, such as autonomous driving, remote surgery, and industrial automation. Reference: Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks, Unit 3: Cloud Resource Planning, Section 3.2: Cloud RAN/vRAN.
Low latency is a mandatory key driver for Cloud RAN/vRAN deployment due to the stringent requirements of real-time communication and processing in radio access networks. Low latency ensures that data transmission and processing occur with minimal delay, which is crucial for supporting high-speed, reliable communication necessary in modern wireless networks, especially with the advent of 5G technologies.
NEW QUESTION # 22
Which of the following are properties related to a public cloud? (Select 2)
- A. O&A requirement
- B. Easy scaling
- C. For users, there is no cloud infrastructure operation
- D. An In-house solution
- E. Very complex management
Answer: B,C
Explanation:
The properties related to a public cloud are for users, there is no cloud infrastructure operation and easy scaling. A public cloud is a cloud service that is offered by a third-party provider over the public internet, and is available to anyone who wants to use or purchase it1. Users of public cloud do not need to operate or maintain the cloud infrastructure, as it is the responsibility of the cloud provider2. Public cloud also offers easy scaling, as users can quickly and dynamically provision or release resources according to their needs2. Public cloud is suitable for applications that have unpredictable or variable demand, or that do not require a high level of security or customization3. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 1: Cloud Ecosystem, Section 1.1: Cloud Types 2: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.1: Cloud Computing 3: Nokia and DISH to deploy first 5G standalone core network in the public cloud with AWS, Press Release
NEW QUESTION # 23
Security is crucial for data centers and their users.
- A. False
- B. True
Answer: B
Explanation:
Security is crucial for data centers and their users because data centers store, process, and transmit large amounts of sensitive and valuable data for various organizations and individuals. Data centers face various security threats such as cyberattacks, natural disasters, human errors, power outages, etc. that can compromise the confidentiality, integrity, and availability of the data and the services1. Therefore, data centers need to implement various security measures such as encryption, authentication, authorization, backup, firewall, antivirus, physical security, etc. to protect the data and the users from unauthorized access, data loss, data corruption, service disruption, etc2. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Section 2.3: Cloud Networking Features 2: Data Center Security: What You Need to Know
NEW QUESTION # 24
Which of the following statements are correct regarding the characteristics of microservices? (Select 2)
- A. All functions are the same in microservices.
- B. Microservices are chained in order to build an application.
- C. Microservices are limited to 10 per application.
- 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 # 25
What does OCP stands for?
- A. Operations and Control
- B. Open Compute Project
- C. Open Data Center Platform
- D. Open Circuit Platform
Answer: B
Explanation:
OCP stands for Open Compute Project, which is an initiative to design and enable the delivery of the most efficient server, storage and data center hardware designs for scalable computing1. OCP is the primary cloud infrastructure platform to develop, test and deliver Nokia's core network applications and business applications, benefiting from its scalability, flexibility, and advanced orchestration capabilities2. OCP is also part of the Nokia Cloud Platform, which is a TCO optimized solution that combines OCP with Nokia's reference hardware and blueprint architecture2. Reference: 1: Open Compute Project, Home Page 2: Nokia Cloud Platform,
NEW QUESTION # 26
Which of the following best describes the networking concept of "Underlay"?
- A. It's the physical network layer.
- B. It allows each tenant to have their own network configuration.
- C. It restricts traffic within network.
- D. It's the virtual network layer.
Answer: A
Explanation:
The networking concept of "Underlay" refers to the physical network layer that provides the connectivity and transport for the overlay network, which is the virtual network layer that runs on top of the underlay network1. The underlay network is composed of routers, switches, links, and protocols that enable the data transmission between different locations2. The underlay network is independent of the overlay network, meaning that it does not need to be aware of the network configuration, policies, or services of the overlay network3. Therefore, option A best describes the underlay network, while options B, C, and D are incorrect. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 2: Cloud Technologies and Features, Topic: Underlay and Overlay Networks 2: Module by Module - Self Study Note Guide, DC2.2- Cloud Options 3: Underlay Network - an overview | ScienceDirect Topics, Overview
NEW QUESTION # 27
The ETSI MANO Model operational stack is defined as?
- A. Infrastructure Management above Network Function Management above Orchestration
- B. Orchestration above Network Function Management above Infrastructure Management
- C. Infrastructure Management above Orchestration above Network Function Management
- D. Network Function Management above Orchestration above Infrastructure Management '
Answer: B
Explanation:
The ETSI MANO Model operational stack is defined as Orchestration above Network Function Management above Infrastructure Management. The ETSI MANO Model is a framework that defines the architecture and interfaces for the management and orchestration of network functions virtualization (NFV) in cloud networks1. The ETSI MANO Model consists of three main components: Infrastructure Management, Network Function Management, and Orchestration2. Infrastructure Management is responsible for managing the physical and virtual resources that host the network functions, such as servers, storage, switches, hypervisors, and virtual machines2. Network Function Management is responsible for managing the configuration, monitoring, and optimization of the network functions, such as scaling, healing, and updating2. Orchestration is responsible for coordinating the allocation and release of resources for network services and network slices, such as instantiation, termination, and modification2. The ETSI MANO Model operational stack is defined as Orchestration above Network Function Management above Infrastructure Management, meaning that Orchestration is the highest level of abstraction and control, Network Function Management is the intermediate level, and Infrastructure Management is the lowest level2. Reference: 1: Nokia Bell Labs Distributed Cloud Networks, Unit 5: New Services Automation, Section 5.3: Orchestration 2: Module by Module - Self Study Note Guide - training2
NEW QUESTION # 28
Select the option that best completes the following sentence.
____is a key component in the Closed loop automation.
- A. Common inventory database
- B. Knowledge database
- C. Catalog Database
- D. Policy Database
Answer: D
Explanation:
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.
NEW QUESTION # 29
It is possible to run a cloud solution in a Single Node.
- A. True
- B. False
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.
NEW QUESTION # 30
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