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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 556 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03
Question #: 556
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A solutions architect is using an AWS CloudFormation template to deploy a three-tier web application. The web application consists of a web tier and an application tier that stores and retrieves user data in Amazon DynamoDB tables. The web and application tiers are hosted on Amazon EC2 instances, and the database tier is not publicly accessible. The application EC2 instances need to access the DynamoDB tables without exposing API credentials in the template.

What should the solutions architect do to meet these requirements?

  • A. Create an IAM role to read the DynamoDB tables. Associate the role with the application instances by referencing an instance profile.
  • B. Create an IAM role that has the required permissions to read and write from the DynamoDB tables. Add the role to the EC2 instance profile, and associate the instance profile with the application instances.
  • C. Use the parameter section in the AWS CloudFormation template to have the user input access and secret keys from an already-created IAM user that has the required permissions to read and write from the DynamoDB tables.
  • D. Create an IAM user in the AWS CloudFormation template that has the required permissions to read and write from the DynamoDB tables. Use the GetAtt function to retrieve the access and secret keys, and pass them to the application instances through the user data.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by kangho at Aug. 5, 2023, 6:41 p.m.
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upliftinghut
8 months, 3 weeks ago
Selected Answer: B
best practice is using IAM role for database access. From app to DB => need both read & write, only B meets these 2
upvoted 2 times
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pentium75
9 months, 2 weeks ago
Selected Answer: B
Application "stores and retrieves" data in DynamoDB while A grants only access "to read".
upvoted 2 times
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Nisarg2121
12 months ago
Selected Answer: B
B is correct, A total wrong because "read the DynamoDB tables", so what about write in database.
upvoted 3 times
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darekw
1 year, 1 month ago
question says: ...application tier stores and retrieves user data in Amazon DynamoDB tables... so it needs read and write access A) is only read access B) seems to be the right answer
upvoted 1 times
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Guru4Cloud
1 year, 1 month ago
Selected Answer: B
Option B is the correct approach to meet the requirements: Create an IAM role with permissions to access DynamoDB Add the IAM role to an EC2 Instance Profile Associate the Instance Profile with the application EC2 instances This allows the instances to assume the IAM role to obtain temporary credentials to access DynamoDB.
upvoted 2 times
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anibinaadi
1 year, 2 months ago
Explanation. Both A and B seems suitable. But Option A is incorrect because it says “Associate the role with the application instances by referencing an instance profile”. Which just only a Part of the solution. In API/AWS CLI following steps are required to complete the Role-> instance profile association-> to instance. 1. Create an IAM Role 2. add-role-to-instance-profile (aws iam add-role-to-instance-profile --role-name S3Access --instance-profile-name Webserver) 3. associate-iam-instance-profile (aws ec2 associate-iam-instance-profile --instance-id i-123456789abcde123 --iam-instance-profile Name=admin-role) hence Option B is correct.
upvoted 2 times
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DannyKang5649
1 year, 2 months ago
Selected Answer: B
Why "No read and write" ? The question clearly states that application tier STORE and RETRIEVE the data from DynamoDB. Which means write and read... I think answer should be B
upvoted 2 times
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xyb
1 year, 2 months ago
Selected Answer: B
https://www.examtopics.com/discussions/amazon/view/80755-exam-aws-certified-solutions-architect-associate-saa-c02/
upvoted 1 times
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Ale1973
1 year, 2 months ago
Selected Answer: B
My rationl: Option A is wrong because the scenario says "stores and retrieves user data in Amazon DynamoDB tables", STORES and RETRIVE, if you set a role to READ, you can write on DinamoDB database
upvoted 1 times
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mrsoa
1 year, 2 months ago
Selected Answer: A
AAAAAAAAA
upvoted 1 times
pentium75
9 months, 2 weeks ago
No because it grants only read access
upvoted 2 times
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kangho
1 year, 2 months ago
Selected Answer: A
A is correct
upvoted 1 times
pentium75
9 months, 2 weeks ago
No because it grants only read access
upvoted 2 times
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