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Amazon DOP-C02 Exam - Topic 3 Question 63 Discussion

A DevOps engineer is working on a data archival project that requires the migration of on-premises data to an Amazon S3 bucket. The DevOps engineer develops a script that incrementally archives on-premises data that is older than 1 month to Amazon S3. Data that is transferred to Amazon S3 is deleted from the on-premises location The script uses the S3 PutObject operation.During a code review the DevOps engineer notices that the script does not verity whether the data was successfully copied to Amazon S3. The DevOps engineer must update the script to ensure that data is not corrupted during transmission. The script must use MD5 checksums to verify data integrity before the on-premises data is deleted.Which solutions for the script will meet these requirements'? (Select TWO.)
B) Include the MD5 checksum within the Content-MD5 parameter. Check the operation call's return status to find out if an error was returned. and D) Check the returned response for the ETag. Compare the returned ETag against the MD5 checksum.
A) Check the returned response for the Versioned Compare the returned Versioned against the MD5 checksum.
C) Include the checksum digest within the tagging parameter as a URL query parameter.
E) Include the checksum digest within the Metadata parameter as a name-value pair After upload use the S3 HeadObject operation to retrieve metadata from the object.

Amazon DOP-C02 Exam - Topic 3 Question 63 Discussion

Actual exam question for Amazon's DOP-C02 exam
Question #: 63
Topic #: 3
[All DOP-C02 Questions]

A DevOps engineer is working on a data archival project that requires the migration of on-premises data to an Amazon S3 bucket. The DevOps engineer develops a script that incrementally archives on-premises data that is older than 1 month to Amazon S3. Data that is transferred to Amazon S3 is deleted from the on-premises location The script uses the S3 PutObject operation.

During a code review the DevOps engineer notices that the script does not verity whether the data was successfully copied to Amazon S3. The DevOps engineer must update the script to ensure that data is not corrupted during transmission. The script must use MD5 checksums to verify data integrity before the on-premises data is deleted.

Which solutions for the script will meet these requirements'? (Select TWO.)

Show Suggested Answer Hide Answer
Suggested Answer: B, D

https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html


by Myra at May 11, 2026, 05:15 AM

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Rueben
1 day ago
This question is tricky! I feel like it tests our understanding of data integrity.
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Margurite
7 days ago
Isn't using MD5 a bit outdated? There are better options for integrity checks now.
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Lelia
12 days ago
I disagree, I don't see why we need to include checksums in the metadata.
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Dannie
17 days ago
Wait, how does the ETag relate to MD5? Seems a bit confusing.
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Gail
22 days ago
I think D is also a solid choice. ETag comparison makes sense!
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Dorothy
27 days ago
Option B is the way to go! MD5 checksums are essential for data integrity.
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Glennis
1 month ago
A and C don't seem right, they don't really ensure integrity.
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Sharee
1 month ago
Definitely need to verify before deleting, can't risk data loss!
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Annelle
1 month ago
Wait, can we really trust the ETag for integrity checks?
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Augustine
2 months ago
I think D is the way to go, ETag is super reliable.
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Bonita
2 months ago
Option B is solid, using Content-MD5 is a must!
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Johnson
2 months ago
I’m a bit confused about the tagging parameter option; it seems like it could work, but I don't recall it being a common practice for integrity checks.
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Josue
2 months ago
I practiced a similar question where we had to verify data integrity, and I feel like checking the ETag against the MD5 checksum could be a solid approach.
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Kirk
2 months ago
I think including the MD5 checksum in the Content-MD5 parameter makes sense, but I’m not clear on how to check the return status effectively.
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Abel
4 months ago
I remember something about using ETags for verifying uploads, but I'm not entirely sure how they relate to MD5 checksums in this context.
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