Storage - S3

Question 1

Amazon S3 (Amazon Simple Storage Service)

Answer 1

S3 is an object storage service for the cloud that is highly available.

S3 is a regional service but has a global namespace.

S3 offers unlimited storage with many storage classes. Understand the use cases for each storage class.

Question 2

S3 Security

Answer 2

• S3 access logs
• Security can be set at bucket level or individual level using ACL, bucket policies, or access point polices
• can enable versioning
• S3 is a regional service, but bucket names must be globally unique.

Question 3

Durability

Answer 3

Amazon S3 Standard is designed for 99.999999999%
(11 9’s) of durability

Question 4

Availability

Answer 4

Amazon S3 Standard is designed for 99.99% availability.

Question 5

S3 Storage classes

Answer 5

• S3 standard- General storage, frequently accessed
• S3 Intelligent -Tiering: Data with unknown or changing patterns
• S3 Standard Infrequent access - Long-lived infrequently accessed data
• S3 One Zone-Infrequent Access (IA) - Re-creatable data, stored in 1 AV, infrequently accessed, availability and durability not essential
• S3 Glacier - long-term backups
• S3 Glacier Deep Archive: long-term data archive, data only accessed once or twice a year
• S3 Outpost: Workloads with local data residency requirements, demanding applications performance needs.

Question 6

S3 standard

Answer 6

General storage, frequently accessed

Question 7

S3 Intelligent -Tiering

Answer 7

Data with unknown or changing patterns

Question 8

S3 Standard Infrequent access

Answer 8

Long-lived infrequently accessed data

Question 9

S3 One Zone-Infrequent Access (IA)

Answer 9

Re-creatable data, stored in 1 AV, infrequently accessed, availability and durability not essential

Question 10

S3 Glacier

Answer 10

long-term backups

Question 11

S3 Glacier Deep Archive

Answer 11

long-term data archive, data only accessed once or twice a year

Question 12

S3 Outpost

Answer 12

Workloads with local data residency requirements, demanding applications performance needs.

Question 13

S3 In real World

Answer 13

• Static websites (used with cloudfront)
• Data archival (Glacier)
• Analytics systems (used with Redshift and Athena)
• Mobile Applications (a mobile applications where users can upload to amazon s3 bucket)