How can you configure an S3 lifecycle rule to archive objects to Glacier only if they are not modified for 180 days, and delete them 2 years after creation?

hard📝 Application Q9 of 15

AWS - S3 Fundamentals

ASet Transition with "NoncurrentDays": 180 and Expiration with "Days": 730

BSet Transition with "Days": 180 and Expiration with "NoncurrentDays": 730

CSet both Transition and Expiration with "Days": 180

DSet Expiration with "Days": 730 only; transition is automatic

Step-by-Step Solution

Solution:

Step 1: Use NoncurrentDays for transition of noncurrent versions
"NoncurrentDays": 180 in Transition targets superseded versions after 180 days as noncurrent (aligning with versions from unmodified periods).
Step 2: Use Days for current object expiration
Expiration "Days": 730 deletes current objects 730 days after last modified, which approximates 2 years from creation if unmodified.
Final Answer:
Set Transition with "NoncurrentDays": 180 and Expiration with "Days": 730 -> Option A
Quick Check:
NoncurrentDays = days since became noncurrent; Days = days since last modified [OK]

Quick Trick: Use NoncurrentDays for last modified, Days for creation [OK]

Common Mistakes:

MISTAKES

Mixing up Days and NoncurrentDays
Assuming transition happens automatically
Using Expiration with NoncurrentDays

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How can you configure an S3 lifecycle rule to archive objects to Glacier only if they are not modified for 180 days, and delete them 2 years after creation?

Step 1: Use NoncurrentDays for transition of noncurrent versions

Step 2: Use Days for current object expiration

Final Answer:

Quick Check:

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