Intro to Storage (Introdução ao Armazenamento)

https://aws.amazon.com/pt/products/storage/ 

https://docs.aws.amazon.com/en_us/wellarchitected/latest/framework/perf-03.html 

https://aws.amazon.com/pt/solutions/case-studies/?customer-references-cards

1. what is the definition of object-based storage?
- object storage is a method of storing data based on a hierarchical structure of directories and subdirectories (wrong).
- object storage is a method of storing files based on folders and subfolders.
- object storage is a method of storing files in individual blocks located on a hard drive.
- (x) object storage is a method of storing files based on attributes and metadata. (correct)

2. Which storage class is for raw storage of data in fixed-sized chunks, each with a unique identifier?
- (x) block (correct)
- file
- object
- gateway

3. which option is a typical use case for Amazon S3?
- File storage for multiple Amazon EC2 instanges
- Block storage for an Amazon EC2 instance
- (x) Object storage for media hosting (corret)
- Object storage for a boot drive

4. An employee at a healthcare facility must store 7 years of patient information that is rarely acccessed. Which Amazon S3 storage tier is the best choice?
- Amazon S3 Standard-Infrequent Access
- Amazon S3 Intelligent-Tiering
- (x) Amazon S3 Glacier Deep Archive (correct)
- Amazon S3 Standard

5. Which of the following items are types of cloud storage available in AWS? (Select THREE)
- (x) Block
- Endpoint
- (x) Object
- Distributed
- Referential
- (x) File

6. Which types of data does Amazon S3 offer encryption for? (Select TWO).
- Data in transit (x)
- Data at rest (x)
- Data at the edge
- Data in archive
- Data from endpoints

7. When naming an Amazon S3 bucket, a developer must choose something that is unique. For which portions of AWS must the bucket name be unique?
- Globally across

8. When a developer creates an Amazon S3 bucket, they can set access permissions. Suppose that they leave the defaults and make no changes to the settings. Who can view objects in the bucket?
- Only the developer

9. Which storage service is recommended if a customer needs a storage layer for a database attached to an Amazon EC2 instance?
- Amazon Elastic Block Store (EBS)

10. Amazon S3 is priced based on the storage class and features that the user chooses. Which items is the user charged for? (Select THREE).
- GB storage per month
- Transfers OUT to other Regions or the internet
- PUT, COPY, POST, LIST, and GET requests

11. A developer can use Amazon S3 to configure Cross-Region Replication of objects. What is one benefit of enabling Cross-Region Replication?
- minimizes latency

12. A gaming company has data access patterns that are often unpredictable. Which storage class could they use to help minimize costs?
- Amazon S3 Intelligent-Tiering

13. Lifecycle rules define the actions that Amazon S4 can apply to a group of objects to store them cost effectively. Which two types of actions can lifecycle rules apply to an object? (Select TWO).
- transition actions
- expiration actions