CLF-C02 Storage Services 4

Question 1

Which S3 storage class automatically moves data between frequent and infrequent access tiers based on changing access patterns without retrieval fees?

Accepted Answer

S3 Intelligent-Tiering

Answer

S3 Intelligent-Tiering monitors access patterns and automatically moves objects between tiers to optimize costs, with no retrieval charges.

Question 2

An EBS volume in us-east-1a needs to be used by an EC2 instance in us-east-1b. What must be done?

Accepted Answer

Create a snapshot and restore it in the target AZ

Answer

EBS volumes are locked to a single Availability Zone; to move to another AZ, you must create a snapshot and restore it in the target AZ.

Question 3

Which Amazon S3 feature enables low-latency access to frequently accessed objects while storing the full dataset in S3?

Accepted Answer

S3 Transfer Acceleration

Answer

S3 Transfer Acceleration uses CloudFront edge locations to speed up uploads and downloads to S3 over long distances.

Question 4

Which EBS volume type is recommended for boot volumes and general-purpose workloads on AWS?

Accepted Answer

gp3 (General Purpose SSD)

Answer

gp3 is the latest general-purpose SSD EBS volume type, recommended for most workloads including boot volumes, offering a good balance of price and performance.

Question 5

A startup stores user-generated images in S3 but wants to query only specific metadata fields without downloading each file. Which S3 feature helps?

Accepted Answer

S3 Select

Answer

S3 Select allows you to retrieve a subset of data from within an S3 object using SQL expressions, reducing data transfer costs.

(CLF-C02) AWS Certified Cloud Practitioner Practice Test

(CLF-C02) AWS Certified Cloud Practitioner Practice Test

CLF-C02 Storage Services 4