Storage - Storage Classes

Question 1

What are the different storage classes available in Amazon S3?

Answer 1

• S3 Standard
• S3 Intelligent Tiering
• S3 Standard Infrequent Access
• S3 One Zone Infrequent Access
• S3 Glacier
• S3 Glacier Deep Archive

Question 2

What is the purpose of the S3 Standard storage class?

Answer 2

• General-purpose storage class
• High throughput with low latency
• Data can be accessed frequently
• 11 nines of durability across multiple availability zones
• 99.99% availability
• Supports SSL for encryption in transit and encryption options for data at rest
• Supports lifecycle rules for automatic data management

Question 3

What is the purpose of the S3 Intelligent Tiering storage class?

Answer 3

• Ideal for unpredictable data access patterns
• Automatically moves objects between frequent and infrequent access tiers
• 11 nines of durability across multiple availability zones
• 99.9% availability
• Supports SSL for encryption in transit and encryption options for data at rest
• Supports lifecycle rules for automatic data management

Question 4

What is the purpose of the S3 Standard Infrequent Access storage class?

Answer 4

• Designed for data that is not accessed frequently
• High throughput with low latency
• 11 nines of durability across multiple availability zones
• 99.9% availability
• Supports SSL for encryption in transit and encryption options for data at rest
• Supports lifecycle rules for automatic data management

Question 5

What is the purpose of the S3 One Zone Infrequent Access storage class?

Answer 5

• Designed for infrequently accessed objects
• 20% storage cost reduction compared to S3 Standard
• Data is stored in a single availability zone
• 99.5% availability
• Supports SSL for encryption in transit and encryption options for data at rest
• Supports lifecycle rules for automatic data management

Question 6

What is the purpose of the S3 Glacier storage class?

Answer 6

• Used for archival data
• Low-cost long-term durable storage solution
• Retrieval of data can take several hours
• 11 nines of durability across multiple availability zones
• 99.9% availability
• Supports SSL for encryption in transit and encryption options for data at rest
• Accessed through Glacier vaults and archives

Question 7

What is the purpose of the S3 Glacier Deep Archive storage class?

Answer 7

• Cheapest storage class for long-term storage
• Suitable for data retention regulations and compliance
• Retrieval of data within 12 hours or less
• 11 nines of durability across multiple availability zones
• 99.9% availability
• Supports SSL for encryption in transit and encryption options for data at rest

Question 8

What are the factors to consider when selecting a storage class for data?

Answer 8

• Criticality of the data
• Required level of durability
• Reproducibility of the data
• Frequency of data access

Question 9

What management features are available for Amazon S3 storage classes?

Answer 9

• Lifecycle rules for automatic data management
• SSL support for encryption in transit
• Encryption options for data at rest

Question 10

What is the retrieval speed and cost for S3 Glacier storage classes?

Answer 10

• Expedited: Less than 250MB, available in 1 to 5 minutes (most expensive)
• Standard: Any size, available in 3 to 5 hours
• Bulk: Retrieving petabytes, takes 5 to 12 hours (cheapest option)