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Amazon PAS-C01 Exam - Topic 3 Question 40 Discussion

Actual exam question for Amazon's PAS-C01 exam
Question #: 40
Topic #: 3
[All PAS-C01 Questions]

A company runs its SAP ERP 6 0 EHP 8 system on SAP HANAon AWS The system is deployed on an r4 I6xlarge Amazon EC2 instance with default tenancy. The company needs to migrate the SAP HANA database to an x2gd/.6xiarge High Memory instance After an operations engineer changes the instance type and starts the instance the AWS Management Console shows a failed instance status check

What is the cause of this problem?

Show Suggested Answer Hide Answer
Suggested Answer: C

The Elastic Network Adapter (ENA) is a software-based network interface that provides high-performance network connectivity and is required for instances with higher network performance requirements. If the ENA drivers are not installed before changing the instance type, the instance will not be able to communicate with the network, resulting in a failed instance status check.

C is correct because installing Elastic Network Adapter (ENA) drivers before changing the instance type is required to support High Memory instances. ENA drivers provide enhanced networking capabilities for EC2 instances. The other options are not relevant or necessary for migrating SAP HANA database to a High Memory instance. Reference: https://docs.aws.amazon.com/whitepapers/latest/sap-on-aws-technical-deployment-guide/amazon-ec2.html https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html


by Horace at Aug 03, 2024, 08:09 AM

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Ronny
3 months ago
I disagree, the instance type change should've been straightforward if done right.
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Cheryll
3 months ago
Definitely not the CloudWatch config, that's not the main issue here.
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Tawna
3 months ago
Wait, did they really not create a new AMI? That's surprising!
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Rodolfo
4 months ago
I think it's more about the network config step.
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Aleshia
4 months ago
Sounds like a driver issue to me. ENA drivers are crucial!
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Pura
4 months ago
I’m leaning towards the ENA drivers too, but I also remember network settings being a common pitfall in migrations. It's tough to decide!
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Brock
4 months ago
I feel like creating a new AMI was mentioned in our practice sessions, but I can't recall if it was necessary for this specific scenario.
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Alton
4 months ago
I think I came across a similar question where missing ENA drivers caused problems. Could that be it?
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Jacinta
5 months ago
I remember something about network configurations being crucial after changing instance types, but I'm not sure if that's the main issue here.
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Shelton
5 months ago
Okay, let me break this down. The instance type was changed, so the network adapter and tenancy settings would need to be updated. I'll make sure to check those details.
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Adrianna
5 months ago
Hmm, the instance type change is the key here. I'm pretty sure it has to do with the network configuration or drivers not being set up properly.
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Louvenia
5 months ago
This seems like a tricky one. I'll need to think through the steps carefully to make sure I don't miss anything.
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Toshia
5 months ago
I've seen issues like this before. My guess is the operations engineer forgot to install the Elastic Network Adapter (ENA) drivers before changing the instance type. That's probably the cause of the failed status check.
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Johna
5 months ago
This looks like a pretty straightforward question. I'd start by making sure I know the ECE version and any Engineer Specials installed, as that's the first option. Then I'd collect all the ECE service logs to have a full picture of what's going on.
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Nelida
5 months ago
This is a good opportunity to showcase my string manipulation skills. I'll work through the problem systematically and select the correct answer.
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Jacklyn
1 year ago
I'm guessing the network configuration was the issue here. Seems like a silly oversight, but these things happen, especially with complex migrations.
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Madalyn
1 year ago
B: Yeah, that could definitely cause the failed instance status check. It's important to double check all the steps in a migration like this.
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Della
1 year ago
A: The operations engineer missed the network configuration step during the post-migration activities.
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Alyce
2 years ago
Haha, classic AWS gotcha. Bet the engineer is kicking themselves for not checking the ENA drivers. Gotta love these cloud migration challenges!
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Krissy
2 years ago
Hmm, this is a tricky one. I'd say the engineer should have created a new AMI and launched a new instance with dedicated tenancy. But I could be wrong.
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Brandon
1 year ago
C: Actually, I believe the issue is with the ENA drivers not being installed.
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Sabina
1 year ago
B: No, I think it's because the CloudWatch configuration step was missed.
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Robt
1 year ago
A: The engineer missed the network configuration step.
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Rosio
2 years ago
I think the operations engineer should have created a new AMI and launched a new instance with dedicated tenancy. That could have prevented the failed status check.
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Mammie
2 years ago
I believe the cause could also be that the operations engineer did not install Elastic Network Adapter (ENA) drivers before changing the instance type.
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Aleta
2 years ago
I agree with Coral. The network configuration step is crucial for a successful migration.
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Blythe
2 years ago
Yep, that's gotta be it. The lack of ENA drivers is definitely causing the failed instance status check.
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Teddy
1 year ago
C: We should go back and install the ENA drivers to fix the issue.
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Ellsworth
1 year ago
B: No, I forgot about that step. That must be why the status check failed.
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Cordelia
2 years ago
A: Did you remember to install the ENA drivers before changing the instance type?
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Stanton
2 years ago
Ah, I see the issue here. The operations engineer forgot to install the ENA drivers before changing the instance type. That's a common mistake.
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Darnell
2 years ago
Amber: Good idea. Hopefully, that will fix the problem and the SAP HANA database can be successfully migrated.
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Andra
2 years ago
Maybe the operations engineer can try installing the ENA drivers and see if that resolves the issue.
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Amber
2 years ago
That makes sense. It's important to follow all the necessary steps during migration.
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Lino
2 years ago
The failed instance status check is probably because the ENA drivers were not installed before changing the instance type.
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Coral
2 years ago
I think the cause of the problem is that the operations engineer missed the network configuration step.
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