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Exam AWS Certified Solutions Architect - Associate SAA-C03 All Questions

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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 800 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 800
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company needs to create an AWS Lambda function that will run in a VPC in the company's primary AWS account. The Lambda function needs to access files that the company stores in an Amazon Elastic File System (Amazon EFS) file system. The EFS file system is located in a secondary AWS account. As the company adds files to the file system, the solution must scale to meet the demand.

Which solution will meet these requirements MOST cost-effectively?

  • A. Create a new EFS file system in the primary account. Use AWS DataSync to copy the contents of the original EFS file system to the new EFS file system.
  • B. Create a VPC peering connection between the VPCs that are in the primary account and the secondary account.
  • C. Create a second Lambda function in the secondary account that has a mount that is configured for the file system. Use the primary account's Lambda function to invoke the secondary account's Lambda function.
  • D. Move the contents of the file system to a Lambda layer. Configure the Lambda layer's permissions to allow the company's secondary account to use the Lambda layer.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by asdfcdsxdfc at March 5, 2024, 10:27 p.m.
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lenotc
Highly Voted 7 months, 1 week ago
Selected Answer: B
B -> VPC peering allows the Lambda access secondary account securely and efficiently A -> redundancy C -> additional complexity D -> sharing code libraries
upvoted 7 times
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Scheldon
Most Recent 4 months ago
Selected Answer: B
AnswerB You can configure a function to mount an Amazon EFS file system in another AWS account. Before you mount the file system, you must ensure the following: VPC peering must be configured, and appropriate routes must be added to the route tables in each VPC. . . . https://docs.aws.amazon.com/lambda/latest/dg/configuration-filesystem-cross-account.html
upvoted 1 times
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Nm55569
4 months, 2 weeks ago
Selected Answer: B
https://docs.aws.amazon.com/lambda/latest/dg/configuration-filesystem.html#configuration-filesystem-cross-account
upvoted 1 times
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osmk
7 months, 1 week ago
Selected Answer: B
https://docs.aws.amazon.com/efs/latest/ug/efs-different-vpc.html
upvoted 3 times
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asdfcdsxdfc
7 months, 2 weeks ago
Shouldn't it be B?
upvoted 1 times
1dd
7 months, 1 week ago
I thinks AWS DataSync less costly
upvoted 1 times
[Removed]
7 months ago
setting up a peering connection is free. same for data transfer in the same AZ. data sync at the end of the day cost $$$ to move data.
upvoted 3 times
Scheldon
4 months ago
When you will SyncData you need to have secondary storage for which you need to pay so it is not cheap solution.
upvoted 1 times
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