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Huawei H35-481_V2.0 Exam - Topic 1 Question 18 Discussion

In NSA networking, X2 Interface self-setup between the 4G and 5G base stations falls. Which of the following are possible causes?
D) The self-setup switch is not turned on.
A) The 5G and 4G base stations belong to different PLMNs.
B) Cell setup fails on the LTE side.
C) The number of links established over the LTE X2 interface exceeds the board specifications.

Huawei H35-481_V2.0 Exam - Topic 1 Question 18 Discussion

Actual exam question for Huawei's H35-481_V2.0 exam
Question #: 18
Topic #: 1
[All H35-481_V2.0 Questions]

In NSA networking, X2 Interface self-setup between the 4G and 5G base stations falls. Which of the following are possible causes?

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Suggested Answer: D

The self-setup switch is not turned on. In NSA networking, X2 Interface self-setup between the 4G and 5G base stations falls if the self-setup switch is not turned on. This is because the switch must be enabled in order for the base stations to establish a connection. Other possible causes include the 5G and 4G base stations belonging to different PLMNs (Public Land Mobile Networks), cell setup failing on the LTE side, and the number of links established over the LTE X2 interface exceeding the board specifications. Reference: https://www.qualcomm.com/invention/5g/non-standalone-networking-5g-nsa-networks


by Jettie at Nov 23, 2023, 10:41 AM

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Tammara
10 months ago
Totally agree with A and B, those are common problems in setups.
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Wilda
10 months ago
Wait, D? How can the switch not be on? That sounds too basic!
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Dorinda
10 months ago
C seems a bit far-fetched, but I guess it could happen?
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Mozell
11 months ago
I think B is more likely, cell setup issues happen all the time.
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Serina
11 months ago
A is definitely a cause, different PLMNs can mess things up.
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Stevie
11 months ago
I feel like the self-setup switch not being turned on is too simple to be a real cause, but it could be worth considering.
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Leota
11 months ago
The number of links exceeding board specs sounds familiar, but I can't recall if that was specifically mentioned in our notes.
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Louvenia
11 months ago
I think cell setup failing on the LTE side could definitely be a cause, I saw a similar question in our practice exam.
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Chau
12 months ago
I remember studying the X2 interface, but I'm not sure if different PLMNs would definitely cause a self-setup failure.
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Zona
12 months ago
I've got this! The X2 interface is all about inter-base station communication, so the issue is likely related to the setup or configuration of that interface. I'll focus on evaluating the provided options to determine the most likely cause.
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Leoma
12 months ago
Okay, let's think this through step-by-step. The key is to identify the specific condition that is causing the self-setup between the base stations to fail. I'll carefully consider each option and try to apply my knowledge of 4G and 5G network architecture.
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Felicitas
12 months ago
This question seems pretty straightforward. I'll start by considering the possible causes listed and try to eliminate the ones that don't make sense.
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Mona
12 months ago
Hmm, I'm a bit confused about the X2 interface and how it relates to the 4G and 5G base stations. I'll need to review my notes on NSA networking to make sure I understand the context before attempting to answer this.
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King
12 months ago
Okay, let's see. The question says the ports 80 and 443 need to remain closed, so that rules out a few options.
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Tawny
12 months ago
Hmm, I'm a bit confused. The question mentions minimizing the possibility of data exfiltration, so I'm not sure if a service endpoint would be the best option either. I'll need to think this through carefully.
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Kris
12 months ago
I practiced with another client that had the same issue, and I ended up clicking around until I found the paperclip, so hopefully that's true here as well!
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