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Cisco 400-007 Exam - Topic 9 Question 12 Discussion

Company XYZ, a global content provider, owns data centers on different continents. Their data center design involves a standard three-layer design with a Layer 3-only core. HSRP is used as the FHRP. They require VLAN extension across access switches in all data centers, and they plan to purchase a Layer 2 interconnection between two of their data centers in Europe. In the absence of other business or technical constraints, which termination point is optimal for the Layer 2 interconnection?
B) at me aggregation layer because it is the Layer 2 to Layer 3 demarcation point
A) at the core layer, to otter the possibility to isolate STP domains
C) at the access layer because the STP root bridge does not need to align with the HSRP active node.
D) at the core layer because all external connections must terminate there for security reasons

Cisco 400-007 Exam - Topic 9 Question 12 Discussion

Actual exam question for Cisco's 400-007 exam
Question #: 12
Topic #: 9
[All 400-007 Questions]

Company XYZ, a global content provider, owns data centers on different continents. Their data center design involves a standard three-layer design with a Layer 3-only core. HSRP is used as the FHRP. They require VLAN extension across access switches in all data centers, and they plan to purchase a Layer 2 interconnection between two of their data centers in Europe. In the absence of other business or technical constraints, which termination point is optimal for the Layer 2 interconnection?

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Suggested Answer: B

by Ernie at Oct 25, 2022, 09:27 PM

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Evangelina
10 months ago
D sounds good for security, but it might complicate things unnecessarily.
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Romana
10 months ago
Wait, why would you want to isolate STP domains at the core? Seems risky!
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Juliann
10 months ago
A could work too, but I’m not sure it’s the best choice.
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Jonelle
11 months ago
Totally agree with B! That's the right spot for Layer 2.
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Crista
11 months ago
I think B makes the most sense since it's the demarcation point.
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Tresa
11 months ago
I recall that security is crucial, and terminating at the core layer for external connections sounds familiar, so option D could be a strong contender.
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Cristal
11 months ago
I practiced a similar question where the access layer was mentioned, but I don't think it aligns with the HSRP active node, so option C feels off to me.
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Kendra
11 months ago
I'm a bit unsure, but I feel like the aggregation layer is a common termination point for Layer 2 connections, which makes option B seem plausible.
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Layla
11 months ago
I remember discussing the importance of STP domains in class, so I think option A might be the right choice to isolate them effectively.
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Brett
11 months ago
Okay, the key here is that CDN is effective for high-traffic, repeatedly accessed static resources. I'll focus on that in my answer.
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Magnolia
11 months ago
Okay, let me think this through step-by-step. A subcontract is a contract between a prime contractor and a subcontractor, while multi-award contracts involve multiple awards for the same type of contract. I think I've got this!
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Glendora
11 months ago
Easy peasy! The question states that the Huawei 2488H V5 is a 4-socket rack server, so the answer must be TRUE.
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Joanne
11 months ago
Hmm, I'm not totally sure about this one. I'll have to think it through carefully. Maybe I can eliminate some of the options first.
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