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Difficulty: MediumManaging Storage and Database Solutions

An enterprise application exports daily database dump files into a Google Cloud Storage Standard bucket. Corporate governance mandates that these dump files remain immediately available for audit queries during their first 30 days, after which they are rarely accessed. All dump files must be automatically purged after 365 days. You want to implement an Object Lifecycle Management policy to meet these requirements with minimal operational overhead and optimized storage costs. Which TWO lifecycle rule configurations should you apply? (Select TWO)

  1. Set a lifecycle rule action to change the object storage class to Coldline when the object age reaches 30 days.Answer
  2. Set a lifecycle rule action to delete the object when the object age reaches 365 days.Answer
  3. C
    Set a lifecycle rule action to change the object storage class to Coldline immediately upon object creation.
  4. D
    Set a lifecycle rule action to export database dump files into Cloud Bigtable for long-term relational SQL query processing.

Answer

The two correct actions are setting a lifecycle rule to transition objects older than 30 days to Coldline storage, and setting a lifecycle rule to delete objects when their age reaches 365 days.
Transitioning objects to Coldline storage after 30 days matches the reduced access pattern while saving storage costs. Deleting objects after 365 days ensures compliance with retention policies without ongoing operational overhead.

Step-by-Step Solution

1
Analyze access frequency and cost requirements
Standard storage is appropriate for active queries during the first 30 days; Coldline storage is optimal after 30 days for infrequent access.
Transitioning early incurs retrieval fees, while remaining in Standard long-term incurs unnecessary storage fees.
2
Configure transition rule
Add a lifecycle rule condition for age = 30 days with action SetStorageClass to Coldline.
Automatically shifts storage tier without altering file locations or application pointers.
3
Configure deletion rule
Add a lifecycle rule condition for age = 365 days with action Delete.
Automates complete purging of expired database backups to fulfill the retention requirement.

Key Concept

Cloud Storage Object Lifecycle Management Tiering and Retention
Estimated Time:1m 30s
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Topics

Managing Storage and Database Solutions