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Nokia Exam BL0-220 Topic 1 Question 33 Discussion

Actual exam question for Nokia's BL0-220 exam
Question #: 33
Topic #: 1
[All BL0-220 Questions]

Which of the following cloud deployments provide the lowest latency? (Select 2)

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Suggested Answer: A

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 Networks2:Module by Module - Self Study Note Guide, DC2.2-- Cloud Options3:Underlay Network - an overview | ScienceDirect Topics, Overview


by Nelida at Mar 20, 2025, 11:50 PM

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Rosendo
4 days ago
Haha, don't let the 'Far Edge Cloud' fool you! That's probably just marketing speak for 'really far away'.
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Graciela
7 days ago
As a cloud expert, I can tell you that the correct answer is A and B. Anything 'Edge' is always lower latency than the 'Central Cloud'.
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Linn
9 days ago
I'd go with A and B. Central Cloud has the highest latency, and Far Edge Cloud sounds like it's too far away to be low latency.
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Yvonne
10 days ago
On-premise Edge Cloud and Metro Edge Cloud for sure. Those are closest to the users, so latency should be lowest.
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Demetra
20 days ago
I'm not sure about that. I think Far Edge Cloud could also provide low latency depending on the location of the edge servers.
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Reita
22 days ago
I agree with Nenita. On-premise and Metro Edge Cloud deployments are closer to the end-users, reducing latency.
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Nenita
24 days ago
I think A) On-premise Edge Cloud and B) Metro Edge Cloud provide the lowest latency.
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