Select the best option below to complete the following sentence. Different paths for a NF providing Cloud Resilience are defined in a_____?
Answer(s): B
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.
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
Cloud resource management provides which of the following? (Select 2)
Answer(s): 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.
Nokia Bell Labs Distributed Cloud Networks, Cloud Resource Planning
AI/ML based operation requires which of the follow? (Select 3)
Answer(s): A,B,D
Closed loop automation Comprehensive Explanation and Reference of Answer; A, I/ML based operation requires pre-defined policies, open APIs, and closed Explanation loop automation to enable intelligent and adaptive cloud management and orchestration. Pre-defined policies provide the rules and objectives for the cloud resources and services, such as performance, security, and cost. Open APIs allow the communication and integration of different cloud components and platforms, such as Nokia's 5G Edge Slicing solution and Microsoft Azure edge and cloud. Closed loop automation enables the continuous monitoring, analysis, and optimization of the cloud ecosystem based on the feedback from the AI/ML algorithms.
Nokia Bell Labs 5G Professional Certification - Distributed Cloud Networks | Nokia Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 7Nokia, A1 and Microsoft deploy industry's first 5G edge cloud network slicing solution for enterprises | Nokia, paragraph 4
What event will trigger the auto-healing operation?
Answer(s): D
A fault detection event will trigger the auto-healing operation. Auto-healing is a feature of cloud networks that enables the automatic recovery of resources or services from failures or errors1. Fault detection is the process of identifying and locating faults in the network using various methods such as monitoring, logging, or testing2. When a fault is detected, the auto-healing operation will initiate the appropriate actions to restore the normal functioning of the network, such as restarting, repairing, or replacing the faulty components1. Threshold, warning message, and new status are not events that trigger the auto-healing operation. Threshold is a predefined value or limit that indicates the acceptable performance or behavior of a resource or service3. Warning message is a notification or alert that informs the user or operator about a potential problem or risk in the network4. New status is a change or update in the state or condition of a resource or service, such as active, inactive, or degraded.
1: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 9 2:Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 10 3: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 11 4: Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 12 : Nokia Bell Labs Distributed Cloud Networks, Unit 4: Operating Your Cloud, slide 13
Select the best option below to complete the following sentence. The_________is used to orchestrate and manage traffic through VNFs.
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.
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
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