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Exam AWS Certified DevOps Engineer - Professional DOP-C02 All Questions

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Exam AWS Certified DevOps Engineer - Professional DOP-C02 topic 1 question 219 discussion

Exam question from Amazon's AWS Certified DevOps Engineer - Professional DOP-C02
Question #: 219
Topic #: 1
[All AWS Certified DevOps Engineer - Professional DOP-C02 Questions]

A company deploys an application in two AWS Regions. The application currently uses an Amazon S3 bucket in the primary Region to store data.

A DevOps engineer needs to ensure that the application is highly available in both Regions. The DevOps engineer has created a new S3 bucket in the secondary Region. All existing and new objects must be in both S3 buckets. The application must fail over between the Regions with no data loss.

Which combination of steps will meet these requirements with the MOST operational efficiency? (Choose three.)

  • A. Create a new IAM role that allows the Amazon S3 and S3 Batch Operations service principals to assume the role that has the necessary permissions for S3 replication.
  • B. Create a new IAM role that allows the AWS Batch service principal to assume the role that has the necessary permissions for S3 replication.
  • C. Create an S3 Cross-Region Replication (CRR) rule on the source S3 bucket. Configure the rule to use the IAM role for Amazon S3 to replicate to the target S3 bucket.
  • D. Create a two-way replication rule on the source S3 bucket. Configure the rule to use the IAM role for Amazon S3 to replicate to the target S3 bucket.
  • E. Create an AWS Batch job that has an AWS Fargate orchestration type. Configure the job to use the IAM role for AWS Batch. Specify a Bash command to use the AWS CLI to synchronize the contents of the source S3 bucket and the target S3 bucket
  • F. Create an operation in S3 Batch Operations to replicate the contents of the source S3 bucket to the target S3 bucket. Configure the operation to use the IAM role for Amazon S3.
Show Suggested Answer Hide Answer
Suggested Answer: ADF 🗳️
by ogerber at March 27, 2024, 6:14 p.m.
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that1guy
Highly Voted 6 months ago
Selected Answer: ADF
ADF, "All existing and new objects must be in BOTH S3 buckets." this requires two-way replication.
upvoted 5 times
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VerRi
Most Recent 1 week, 1 day ago
Selected Answer: ADF
Poor wording. An active-active solution is recommended for HA, but bidirectional replication means CRR * 2. 'a two-way replication rule' is quite misleading
upvoted 1 times
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aws_god
2 months ago
Selected Answer: ACF
Not D because it states creating the two-way replication on the source bucket and you need to configure it on both to work: When two-way replication is set up, a replication rule from the source bucket (DOC-EXAMPLE-BUCKET-1) to the bucket containing the replicas (DOC-EXAMPLE-BUCKET-2) is created. Then, a second replication rule from the bucket containing the replicas (DOC-EXAMPLE-BUCKET-2) to the source bucket (DOC-EXAMPLE-BUCKET-1) is created.
upvoted 1 times
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[Removed]
2 months, 3 weeks ago
Selected Answer: ADF
ADF here, because there is no mention of two way replication in C
upvoted 1 times
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Trex247
3 months ago
Selected Answer: ADF
I think it's ADF check out this: https://docs.aws.amazon.com/AmazonS3/latest/userguide/mrap-create-two-way-replication-rules.html
upvoted 2 times
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everydaysmile
3 months ago
Selected Answer: ACF
Two-way replication is possible using CRR. "Replication is configured via rules. There is no rule for bi-directional replication. You will however setup a rule to replicate from the S3 bucket in the east AWS region to the west bucket, and you will setup a second rule to replicate going the opposite direction. These two rules will enable bi-directional replication across AWS regions." - https://catalog.workshops.aws/well-architected-reliability/en-US/4-failure-management/1-backup/20-bidirectional-replication-for-s3/2-configure-replication
upvoted 2 times
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hzaki
3 months, 2 weeks ago
there is nothing called (Create a two-way replication rule on the source S3 bucket), the two-way replication is configured separately in each region per each bucket, that's why option D is incorrect.
upvoted 1 times
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jamesf
3 months, 2 weeks ago
Selected Answer: ADF
Option D: two-way replication required
upvoted 2 times
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auxwww
3 months, 3 weeks ago
Selected Answer: ADF
D - for failover between regions. Any data stored on secondary bucket post failover operations needs to be replicated as well
upvoted 3 times
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d9iceguy
3 months, 3 weeks ago
Selected Answer: ADF
Note: Application deployed to both regions, bi-directional replication will be required
upvoted 4 times
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xdkonorek2
4 months, 1 week ago
Selected Answer: ADF
"The application must fail over between the Regions with no data loss." C is not enough, because if we failover to region B and then to A application couldn't access data that was created in region B in the meantime
upvoted 3 times
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6ef9a08
4 months, 2 weeks ago
Two-Way Replication Rule is bidirectional, meaning objects are replicated from bucket A to bucket B and from bucket B to bucket A. This ensures that both buckets always contain the same data. S3 Cross-Region Replication (CRR) is unidirectional, meaning it replicates objects from a source bucket to a destination bucket. Changes made in the destination bucket do not propagate back to the source bucket. So D, not C
upvoted 2 times
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seetpt
6 months, 2 weeks ago
Selected Answer: ACF
ACF for me
upvoted 1 times
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MalonJay
6 months, 2 weeks ago
ADF The secondary also needs to replicate to the primary.
upvoted 3 times
Jay_2pt0_1
6 months ago
I agree. Does anyone have any reason why it wouldn't be B?
upvoted 2 times
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dkp
7 months ago
Selected Answer: ACF
answer acf
upvoted 2 times
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fdoxxx
7 months, 1 week ago
Selected Answer: ACF
ACF for sure. A - we need a replication role with principles for S3 Batch Operation, replicate job, and S3. C - will replicate all new objects, F - will replicate existing objects
upvoted 2 times
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ogerber
7 months, 3 weeks ago
Selected Answer: ACF
its ACF for me
upvoted 2 times
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