Blob storage (S3, Azure Blob) in HLD - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a new bucket in S3.

HLD

s3_client.create_bucket(Bucket=[1])

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A"my-new-bucket"

Bbucket_name

Ccreate_bucket

DBucket

Attempts:

3 left

💡 Hint

Common Mistakes

Using a variable name without quotes

Using the method name instead of the bucket name

Using the parameter name as the value

The bucket name must be a string in quotes when creating a new S3 bucket.

2fill in blank

medium

Complete the code to upload a file to Azure Blob Storage.

HLD

blob_client.upload_blob([1], overwrite=True)

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Adata

Bfile_path

Ccontainer_name

Dblob_name

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the file path instead of file content

Passing container or blob names instead of data

The upload_blob method requires the data content to upload, not the file path or names.

3fill in blank

hard

Fix the error in the code to list blobs in an Azure container.

HLD

blobs_list = container_client.[1]()

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Alist_blob

Bget_blobs

Cget_blob_list

Dlist_blobs

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect method names that do not exist

Using singular instead of plural method names

The correct method to list blobs is list_blobs(). Other options are invalid method names.

4fill in blank

hard

Fill both blanks to configure S3 bucket policy for public read access.

HLD

{
  "Version": "2012-10-17",
  "Statement": [{
    "Effect": "[1]",
    "Principal": "*",
    "Action": "s3:GetObject",
    "Resource": "arn:aws:s3:::[2]/*"
  }]
}

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AAllow

BDeny

Cmy-public-bucket

Dprivate-bucket

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'Deny' instead of 'Allow' for Effect

Using wrong bucket name in Resource ARN

To allow public read access, the Effect must be 'Allow' and the Resource must specify the correct bucket name.

5fill in blank

hard

Fill all three blanks to generate a presigned URL for an S3 object.

HLD

url = s3_client.generate_presigned_url(
  ClientMethod='[1]',
  Params={'Bucket': '[2]', 'Key': '[3]'},
  ExpiresIn=3600
)

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

Aget_object

Bmy-secure-bucket

Cfile.txt

Dput_object

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'put_object' instead of 'get_object' for download URLs

Using incorrect bucket or key names

The ClientMethod for generating a presigned URL to download is 'get_object'. The Params must include the bucket and the object key.