Question 1
Domain 1: Design Secure ArchitecturesSebuah perusahaan memiliki **S3 bucket** dengan jutaan objek yang access pattern-nya tidak jelas — beberapa objek sering diakses, sebagian jarang, dan pola berubah-ubah dari waktu ke waktu. Tim tidak mau manage lifecycle rules secara manual. Storage class S3 mana yang paling cost-optimal untuk scenario ini?
Correct answer: C
Explanation
S3 Intelligent-Tiering is built for unknown or changing access patterns because it automatically moves objects between tiers based on usage, matching the need to avoid manual lifecycle management. The source emphasizes “storage tiering” and “storage access patterns,” which makes it the most cost-effective choice when some objects are frequent and others are infrequent.
Why each option is right or wrong
A. S3 Standard — akses cepat, biaya storage lebih tinggi
B. S3 Standard-IA — biaya storage lebih murah tapi ada minimum storage duration 30 hari
C. **S3 Intelligent-Tiering** — otomatis pindahkan objek antar tiers (Frequent Access, Infrequent Access, Archive Instant Access) berdasarkan access patterns aktual; tidak ada retrieval fee; tidak ada operational overhead untuk manage lifecycle
Amazon S3 Intelligent-Tiering is the only S3 storage class designed for data with unknown, changing, or unpredictable access patterns: it automatically monitors object access and moves objects between the Frequent Access and Infrequent Access tiers, with optional Archive Instant Access and Archive Access tiers, without any lifecycle-policy tuning by the customer. Per the S3 pricing model, there is a small per-object monitoring and automation charge, but no retrieval fees for objects in the Frequent/IA tiers, making it the most cost-efficient choice when millions of objects have mixed and shifting access patterns and the team wants to avoid manual management.
D. S3 One Zone-IA — satu AZ saja, lebih murah tapi kurang resilient