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Google Professional Cloud Network Engineer Exam - Topic 8 Question 58 Discussion

Your company has a Virtual Private Cloud (VPC) with two Dedicated Interconnect connections in two different regions: us-west1 and us-east1. Each Dedicated Interconnect connection is attached to a Cloud Router in its respective region by a VLAN attachment. You need to configure a high availability failover path. By default, all ingress traffic from the on-premises environment should flow to the VPC using the us-west1 connection. If us-west1 is unavailable, you want traffic to be rerouted to us-east1. How should you configure the multi-exit discriminator (MED) values to enable this failover path?
A) Use regional routing. Set the us-east1 Cloud Router to a base priority of 100, and set the us-west1 Cloud Router to a base priority of 1
B) Use global routing. Set the us-east1 Cloud Router to a base priority of 100, and set the us-west1 Cloud Router to a base priority of 1
C) Use regional routing. Set the us-east1 Cloud Router to a base priority of 1000, and set the us-west1 Cloud Router to a base priority of 1
D) Use global routing. Set the us-east1 Cloud Router to a base priority of 1000, and set the us-west1 Cloud Router to a base priority of 1

Google Professional Cloud Network Engineer Exam - Topic 8 Question 58 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 58
Topic #: 8
[All Professional Cloud Network Engineer Questions]

Your company has a Virtual Private Cloud (VPC) with two Dedicated Interconnect connections in two different regions: us-west1 and us-east1. Each Dedicated Interconnect connection is attached to a Cloud Router in its respective region by a VLAN attachment. You need to configure a high availability failover path. By default, all ingress traffic from the on-premises environment should flow to the VPC using the us-west1 connection. If us-west1 is unavailable, you want traffic to be rerouted to us-east1. How should you configure the multi-exit discriminator (MED) values to enable this failover path?

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Suggested Answer: A

by Raymon at Oct 13, 2022, 08:55 PM

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Glory
7 months ago
Isn't it risky to rely solely on one region for ingress traffic?
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Samuel
7 months ago
I’m leaning towards option C for regional routing.
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Reena
7 months ago
Wait, why would you set us-east1 to 1000? Seems excessive.
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Omer
8 months ago
Definitely agree, global routing makes more sense here!
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Geraldo
8 months ago
I think option D is the way to go for global routing.
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Isreal
8 months ago
I’m leaning towards option D because it mentions global routing, which seems more appropriate for a failover scenario, but I’m not entirely confident.
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Izetta
8 months ago
I feel like the answer might be related to how we set the base priority for the Cloud Routers. I just can't remember if it should be 100 or 1000 for us-east1.
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Arlette
8 months ago
I think we practiced a similar question where we set priorities for Cloud Routers. If I recall correctly, the higher the priority, the more preferred the route, right?
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Chanel
8 months ago
I remember something about MED values affecting routing preferences, but I'm not sure if it's regional or global routing that we need here.
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Jolene
8 months ago
This looks like a pretty straightforward feature engineering problem. I'd probably go with option A and use PCA to reduce the dimensionality. With that many features, it's likely there's a lot of redundancy that PCA can help eliminate.
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Leonora
8 months ago
Hmm, this is a tricky one. I want to make sure I don't accidentally plagiarize anything. I'm leaning towards option B, but I'll double-check the details to be sure I'm following best practices for curated content.
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Barney
8 months ago
I'm a bit confused by the use of MAX() inside the AVG() function in option A. That doesn't seem right to me.
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Mica
8 months ago
I remember we discussed something about JMX-based configurations in class, but I'm not entirely sure how they relate to subsystems.
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