This quiz is part of the DevOpsTheHardWay course.

AWS - S3 - multichoice questions

Question 1

Your app is running in an EC2 instance, and needs to read and write data to S3. While all the below methods should work, which of the below methods is the most recommended to use?

• Store the credentials in Amazon Secret Manager, read them when the app launches.
• Use the IAM role for the EC2 with appropriate permissions in S3.
• Execute aws configure form within the instance and provide Access Key id and Access Secret Key.
• Define the credentials in the instance's user data.

Question 2

Which of the below features of S3 can protect from accidental data deletion or overridden?

• Deny object deletion using an IAM bucket policy.
• Check data integrity before every upload operation.
• Access objects using pre-signed URLs.
• Enable bucket versioning.
• Enable cross-region replication.

Question 3

Review S3 performance summary.

You consider using S3 bucket to store on a daily basis thousands of millions of short text objects for a new service in your company.

Which of the below information should be taken into account before choosing S3 as your solution?

• The size of individual object being written to S3
• The total number of requests per second at peak usage
• The number of customers that will use the service
• The total amount of storage needs for each S3 bucket

Question 4

How can you ensure that the data has been saved in S3?

• The bucket is strongly consistent so there is no need to check data integrity.
• Check in the bucket logs.
• If the request status code is 200, the object has been stored successfully.
• Using Content-MD5, eTag or checksums.

Question 5

How can you ensure that the correct data has been saved in S3?

• The bucket is strongly consistent so there is no need to check data integrity.
• Check in the bucket logs.
• If the request status code is 200, the object has been stored successfully.
• Using Content-MD5, eTag or checksums.

Question 6

S3 service is:

• SaaS
• PaaS
• IaaS
• IaaC

Question 7

There can be 2 objects in AWS with the same Etag.

• True
• False
• Only objects in different accounts
• Only objects in different bucket
• None of the above

Question 8

In which storage class would you prefer to store your data based on the given scenario?

Monthly data stored size: 100 GB
Average monthly GET requests: 10,000
Average monthly PUT requests: 1,000

• Standard Storage Class
• Infrequent Access Storage Class
• Glacier Storage Class
• Deep Archive Storage Class