AWS - S3 FundamentalsWhy does Amazon S3 Glacier have different retrieval options like Expedited, Standard, and Bulk?ATo provide multiple storage durability levels.BTo enable automatic data encryption during retrieval.CTo allow storing data in different geographic regions.DTo balance cost and retrieval speed based on user needs.Check Answer
Step-by-Step SolutionSolution:Step 1: Understand Glacier retrieval optionsThey offer different speeds and costs for data access.Step 2: Eliminate unrelated optionsDurability, geographic storage, and encryption are separate features.Final Answer:To balance cost and retrieval speed based on user needs. -> Option DQuick Check:Retrieval options balance cost and speed [OK]Quick Trick: Glacier retrieval options balance cost and speed [OK]Common Mistakes:Confusing retrieval options with durability levelsThinking retrieval options control encryptionAssuming retrieval options select regions
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