DEA-C01 Data Store Management Practice Question
Network Topology
The exhibit shows the lifecycle configuration for an S3 bucket. Objects in the bucket are 200 days old on average. What will happen to the objects?
⚠ Common exam trap
The trap here is that candidates misinterpret the '0 days' transition as 'no transition' or assume the average age of 200 days means the transition hasn't happened yet, when in fact the lifecycle rules are based on creation date, not current age.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Objects are in GLACIER now and will be deleted after 365 days from creation.
The lifecycle configuration shows a current version action to transition to GLACIOR (a misspelling of GLACIER) immediately (0 days after creation) and an expiration action to permanently delete the object 365 days after creation. Since the objects are already 200 days old on average, they have already been transitioned to GLACIER storage class. The expiration rule will delete them 365 days from their creation date, not from the current time.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Objects will be transitioned to GLACIER after 90 days and deleted after 365 days.
Why it's wrong here
The transition already happened; objects will be deleted after 365 days from creation.
- ✓
Objects are in GLACIER now and will be deleted after 365 days from creation.
Why this is correct
At 200 days, objects have been transitioned; expiration is at 365 days.
- ✗
Objects will be transitioned to GLACIER after 200 days and deleted after 365 days.
Why it's wrong here
Transition already occurred at 90 days.
- ✗
Objects will be deleted after 90 days.
Why it's wrong here
The rule transitions to GLACIER after 90 days, not delete.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
Go deeper
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