Storage - Storage Classes Flashcards
1
Q
What are the different storage classes available in Amazon S3?
A
- S3 Standard
- S3 Intelligent Tiering
- S3 Standard Infrequent Access
- S3 One Zone Infrequent Access
- S3 Glacier
- S3 Glacier Deep Archive
2
Q
What is the purpose of the S3 Standard storage class?
A
- 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
3
Q
What is the purpose of the S3 Intelligent Tiering storage class?
A
- 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
4
Q
What is the purpose of the S3 Standard Infrequent Access storage class?
A
- 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
5
Q
What is the purpose of the S3 One Zone Infrequent Access storage class?
A
- 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
6
Q
What is the purpose of the S3 Glacier storage class?
A
- 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
7
Q
What is the purpose of the S3 Glacier Deep Archive storage class?
A
- 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
8
Q
What are the factors to consider when selecting a storage class for data?
A
- Criticality of the data
- Required level of durability
- Reproducibility of the data
- Frequency of data access
9
Q
What management features are available for Amazon S3 storage classes?
A
- Lifecycle rules for automatic data management
- SSL support for encryption in transit
- Encryption options for data at rest
10
Q
What is the retrieval speed and cost for S3 Glacier storage classes?
A
- 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)
