S3 storage classes and consistency, EC2 instance types and pricing, Lambda limits, RDS and DynamoDB basics.
39 cards · basic cards · AI-written, checked twice. Edit anything.
- What is the default S3 storage class?
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S3 Standard- S3 Intelligent-Tiering automatically moves objects between tiers based on what?
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Access patterns- Which S3 storage class is designed for infrequent access with millisecond retrieval?
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S3 Infrequent Access (S3-IA)- What is the minimum retrieval time for S3 Glacier Deep Archive?
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12 hours- Does S3 provide strong or eventual consistency for object metadata?
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Strong consistency- What type of consistency does S3 provide for new objects after creation?
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Read-after-write consistency- What are the two primary components of S3 pricing?
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Storage per GB and request charges- What S3 feature automatically transitions objects to cheaper classes over time?
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Lifecycle policies- Does S3 versioning preserve all previous versions of an object?
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Yes, all versions are retained- What type of workload are EC2 General Purpose instances (T and M) best for?
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Balanced compute and memory requirements- Which EC2 instance family is optimized for compute-intensive workloads?
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C family- What are memory-optimized EC2 instances (R and X families) ideal for?
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In-memory databases, caches, and real-time analytics- What workload are storage-optimized EC2 instances (I, H, D) best for?
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High sequential read/write access to large data sets- Which EC2 families provide GPU acceleration?
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P family for compute and G family for graphics- How is EC2 On-Demand pricing charged?
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