Study 1 Amazon S3 Object Storage with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
What kind of storage does Amazon S3 provide?
Amazon S3 is object storage: it stores data as objects in buckets. It suits data accessed as complete files or objects through S3 interfaces, rather than workloads needing mounted file systems or block storage.
What is the default access setting for S3 buckets and objects?
Buckets and objects are private by default. Access can be granted using controls such as IAM policies and bucket policies.
When is S3 Standard a suitable choice?
S3 Standard is suited to frequently accessed data that needs rapid access, such as website assets or active application data.
How can S3 Lifecycle rules manage objects as they age?
S3 Lifecycle rules can transition objects between eligible storage classes or expire them according to defined rules. They can, for example, move older logs into archive storage.
How does S3 durability differ from availability?
Durability concerns protection against data loss; availability concerns whether a service can be accessed at a given time. High durability does not prevent authorized or accidental deletion.
What is an S3 bucket?
A bucket is a container for objects. When creating one, you choose its AWS Region.
What makes up an S3 object?
An S3 object consists of its data and metadata, such as content type or custom attributes.
What does an S3 object key identify?
An object key is its unique name within a bucket. Slashes in a key, such as `reports/2026/summary.pdf`, are part of the name and do not create actual folders.
How can S3 Versioning help recover data?
S3 Versioning can keep multiple versions of an object, helping recover from some accidental overwrites or deletions.
When is S3 Intelligent-Tiering useful?
S3 Intelligent-Tiering suits data with unknown or changing access patterns. It automatically moves eligible objects among access tiers; monitoring and automation charges apply.
What access needs does S3 Standard-IA serve?
S3 Standard-IA is for long-lived data accessed infrequently but still needed rapidly. Retrieval charges and a minimum storage duration apply.
What resilience trade-off does S3 One Zone-IA make?
S3 One Zone-IA suits infrequently accessed, re-creatable data when storing it in one Availability Zone is acceptable. It is not suited to data that must survive that zone’s loss.
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