Storage - Overview of Amazon S3

Question 1

What is Amazon Simple Storage Service (S3)?

Answer 1

• It is a fully managed, object-based storage service provided by AWS.
• It is highly available, highly durable, and cost-effective.
• It is widely accessible and scalable.

Question 2

What is the maximum file size supported by Amazon S3?

Answer 2

• The maximum file size is five terabytes.
• The minimum file size is zero bytes.

Question 3

How does Amazon S3 store data?

Answer 3

• It operates as an object storage service, using a flat address space and unique URLs.
• Data is stored across multiple availability zones within a specified region for increased durability and availability.
• Objects stored in S3 have a durability of 99.999999999%, or eleven nines.

Question 4

What is the difference between availability and durability in Amazon S3?

Answer 4

• Availability refers to the uptime of Amazon S3, ranging from 99.5% to 99.99% depending on the storage class.
• Durability refers to the probability of maintaining data without loss or corruption, which is 99.999999999% in Amazon S3.

Question 5

How do you store objects in Amazon S3?

Answer 5

• Objects are stored in buckets, which are unique container names.
• Each bucket must have a globally unique name.
• Folders can be created within buckets for data organization, but Amazon S3 does not function as a file system.

Question 6

How are objects identified in Amazon S3?

Answer 6

• Objects are identified by a unique object key, which includes the bucket name, any folders, and the file name.
• The object key serves as a URL for accessing the object.

Question 7

How do you create a bucket and upload an object in Amazon S3?

Answer 7

• In the S3 console, click on “Create bucket” and provide a unique bucket name.
• Choose a region for the bucket.
• You can create folders within the bucket for organization.
• To upload an object, click on “Upload,” select the file, set permissions and storage class, and review before uploading.