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Question 4 - BL0-220 discussion

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What is the sequence of the evolution of Network Functions?

A.
Cloud-Native Network Functions -> Physical Network Functions -> Virtual Network Functions
Answers
A.
Cloud-Native Network Functions -> Physical Network Functions -> Virtual Network Functions
B.
Virtual Network Functions -> Physical Network Functions -> Cloud-Native Network Functions
Answers
B.
Virtual Network Functions -> Physical Network Functions -> Cloud-Native Network Functions
C.
Physical Network Functions -> Virtual Network Functions -> Cloud-Native Network Functions
Answers
C.
Physical Network Functions -> Virtual Network Functions -> Cloud-Native Network Functions
D.
Virtual Network Functions -> Cloud-Native Network Functions -> Physical Network Functions
Answers
D.
Virtual Network Functions -> Cloud-Native Network Functions -> Physical Network Functions
Suggested answer: C

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 182:Nokia Bell Labs 5G Certification Program - Blended Learning, Section 2: Distributed Cloud Networks, slide 11

asked 23/09/2024
Venkat Burri
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