Securing S3 using Pre-Signed URLs

Question 1

What is the CLI command to create an S3 bucket?

Answer 1

aws s3 mb s3://

Question 2

what is the CLI command to list the contents of an s3 bucket?

Answer 2

aws s3 ls s3://

Question 3

What is the CLI command to list your buckets?

Answer 3

aws s3 ls

Question 4

what is the CLI command to copy a file to a bucket?

Answer 4

aws s3 cp s3:///

Question 5

True or false: Specifically knowing the aws CLI commands is not necessary for the SysOps test?

Answer 5

True, however, it will be helpful and is a must for actually working with AWS.

Question 6

What is an AWS presigned url?

Answer 6

A temporary link to a predefined S3 resource(s). The link will contain a token, and whoever possesses the link will have access to the object.

Question 7

True or false: a pre-signed URL can only be created using the AWS SDK?

Answer 7

False, you can also use the CLI.

Question 8

True or False: The default length of time that a pre-signed URL is available is indefinite?

Answer 8

False, it is one hour.

Question 9

What is the CLI command to change the expiry on a pre-signed URL?

Answer 9

–expires-in

Question 10

what is the unit of time that pre-signed URLs use for expirations?

Answer 10

seconds. While the default expiry is one hour, it is expressed in terms of seconds.