BL0-220 practice question 7 of 15

Network Function Management provides: (Select 2)

Full set: 60 questions
Answer options
A: Different network slices for different companies. Correct answer
B: Multiple Orchestrators required for deployments.
C: Single and consistent point of management. Correct answer
Correct Answer:
A. Different network slices for different companies.; C. Single and consistent point of management.
Explanation

Network Function Management, as implemented in modern platforms like Nokia's Network Services Platform (NSP), provides a centralized and consistent management interface. This "single pane of glass" approach (C) is a core benefit, simplifying operations across complex, multi-domain networks. This unified control is the foundation for automating the lifecycle of network services. A primary use case for this capability in 5G networks is the provisioning and assurance of end-to-end network slices. These slices are logical, self-contained networks tailored for specific customers or applications, such as different companies requiring unique service level agreements (A).

Why Incorrect

B. Multiple Orchestrators required for deployments. This describes a complexity to be overcome by a unified management system, not a feature it provides. The goal is consolidation, not mandated fragmentation.

References

1. Nokia, "Nokia Network Services Platform (NSP) Datasheet," Document ID: SR2104000611EN (April 2021).

Page 2: "The Nokia NSP is the brain of the network... It provides operators with a single, unified platform for network automation, with a complete set of applications to simplify network operations." (Supports option C).

Page 2: "NSP automates the entire service and network slice lifecycle, from creation and assurance to optimization and deletion." (Supports option A).

2. ETSI, "ETSI GS NFV-MAN 001 V1.1.1 - Network Functions Virtualisation (NFV); Management and Orchestration," (December 2014).

Section 5.1, "NFV Management and Orchestration functional blocks": This section describes the NFV Orchestrator (NFVO) and VNF Manager (VNFM) roles. The NFVO has an end-to-end view of network services (like slices), while the VNFM handles the lifecycle of the virtual network functions that compose them. This architecture's purpose is to provide consistent and automated management (supporting the principle of option C) to deliver end-to-end services (supporting the outcome in option A).

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