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Nokia BL0-220 Exam - 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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Gilma
2 months ago
Wait, Far Edge Cloud? Isn’t that usually slower?
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Lenna
2 months ago
I thought Central Cloud could be low latency too?
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Donte
3 months ago
On-premise is definitely the best for latency, no doubt!
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Valentine
3 months ago
Totally agree, Metro Edge Cloud is also super fast!
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Lizette
3 months ago
On-premise Edge Cloud has the lowest latency for sure.
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Antonio
3 months ago
I feel like the Central Cloud would have higher latency compared to the others, but I can't recall if the Metro Edge Cloud is definitely the second choice.
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Tegan
4 months ago
I'm a bit confused about the Far Edge Cloud. I thought it was supposed to reduce latency, but isn't it farther away?
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Cathern
4 months ago
I remember practicing a question like this, and I think both the On-premise Edge Cloud and Metro Edge Cloud are good options for low latency.
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Samira
4 months ago
I think the On-premise Edge Cloud would definitely have lower latency since it's right there on-site, but I'm not sure about the Metro Edge Cloud.
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Carmen
4 months ago
I'm a bit confused by the different cloud deployment options. I'll have to review my notes on edge computing and cloud architecture to make sure I understand the differences in latency. Better to take my time and get this right.
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Lynda
4 months ago
Okay, let's see. The on-premise and metro edge clouds are closer to the user, so they should have lower latency than the far edge or central cloud. I'll select those two options and see how it goes.
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Kanisha
5 months ago
Hmm, I'm not totally sure about this one. I know the edge cloud options are supposed to be closer to the user, but I'm not sure how the latency compares to the central cloud. I'll have to think this through carefully.
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Viva
5 months ago
This one seems straightforward - the cloud deployments closest to the user should have the lowest latency, so I'll go with A (On-premise Edge Cloud) and B (Metro Edge Cloud).
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Brittni
10 months ago
Wait, is the 'Far Edge Cloud' like the 'Upside Down' from Stranger Things? I'm not risking my data going there!
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Ayesha
10 months ago
B) Metro Edge Cloud
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Meghan
10 months ago
A) On-premise Edge Cloud
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Rosendo
10 months 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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Quiana
8 months 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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Gabriele
9 months ago
D) Central Cloud
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Dyan
9 months ago
C) Far Edge Cloud
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Tegan
9 months ago
B) Metro Edge Cloud
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Dalene
10 months ago
A) On-premise Edge Cloud
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Graciela
10 months 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
10 months 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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Arlen
9 months ago
B) Metro Edge Cloud
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Alesia
9 months ago
A) On-premise Edge Cloud
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Yvonne
10 months 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
11 months 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
11 months 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
11 months ago
I think A) On-premise Edge Cloud and B) Metro Edge Cloud provide the lowest latency.
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