S3 storage class optimization in AWS - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to specify the S3 storage class for an object upload.

AWS

aws s3 cp file.txt s3://mybucket/ --storage-class [1]

Drag options to blanks, or click blank then click option'

AGLACIER

BSTANDARD

CREDUCED_REDUNDANCY

DONEZONE_IA

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing GLACIER which is for archival and not suitable for frequent access.

Using REDUCED_REDUNDANCY which is deprecated.

Selecting ONEZONE_IA which stores data in a single zone and is less durable.

The STANDARD storage class is the default and suitable for frequently accessed data.

2fill in blank

medium

Complete the code to set lifecycle rule to transition objects to Glacier after 30 days.

AWS

"Transitions": [{"Days": [1], "StorageClass": "GLACIER"}]

Drag options to blanks, or click blank then click option'

A15

B60

C30

D90

Attempts:

3 left

💡 Hint

Common Mistakes

Using 15 days which is too soon for most use cases.

Choosing 60 or 90 days which delays the transition unnecessarily.

Objects are transitioned to Glacier after 30 days as specified by the Days value.

3fill in blank

hard

Fix the error in the lifecycle policy JSON to correctly specify the expiration in days.

AWS

"Expiration": {"Days": [1]

Drag options to blanks, or click blank then click option'

A"30"

Bnull

Cthirty

D30

Attempts:

3 left

💡 Hint

Common Mistakes

Using a string value with quotes which causes JSON parsing errors.

Using a word instead of a number.

Setting null which disables expiration.

The Days value must be an integer, not a string or null.

4fill in blank

hard

Fill both blanks to create a lifecycle rule that transitions to STANDARD_IA after 60 days and expires after 365 days.

AWS

"Transitions": [{"Days": [1], "StorageClass": "STANDARD_IA"}], "Expiration": {"Days": [2]

Drag options to blanks, or click blank then click option'

A60

B365

C180

D90

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up transition and expiration days.

Using too short or too long durations.

The rule transitions objects to STANDARD_IA after 60 days and expires them after 365 days.

5fill in blank

hard

Fill all three blanks to define a lifecycle rule that transitions to ONEZONE_IA after 30 days, then to GLACIER after 90 days, and expires after 365 days.

AWS

"Transitions": [{"Days": [1], "StorageClass": "ONEZONE_IA"}, {"Days": [2], "StorageClass": "GLACIER"}], "Expiration": {"Days": [3]

Drag options to blanks, or click blank then click option'

A30

B90

C365

D180

Attempts:

3 left

💡 Hint

Common Mistakes

Reversing the order of transitions.

Using incorrect days causing invalid lifecycle behavior.

Setting expiration before transitions.

This lifecycle rule moves objects to ONEZONE_IA after 30 days, then to GLACIER after 90 days, and finally expires them after 365 days.