AWS AWS Storage Solutions

Question 1

What is the difference between Amazon S3 storage classes for cost optimization?

Accepted Answer

Classes range from S3 Standard for frequent access to S3 Glacier Deep Archive for long-term archival at lower cost

Answer

All storage classes have the same pricing

Answer

Glacier is for real-time data processing

Answer

S3 Standard is the cheapest option

Question 2

When should you use Amazon EBS versus Amazon EFS?

Accepted Answer

EBS provides block storage for single EC2 instances; EFS provides shared file storage accessible by multiple instances

Answer

EBS is for shared storage; EFS is for single instances

Answer

They are interchangeable services

Answer

EBS is only for Windows; EFS is only for Linux

Question 3

What is Amazon S3 versioning and why is it important?

Accepted Answer

Keeping multiple variants of an object to protect against accidental deletion and overwrites

Answer

Tracking which version of the AWS SDK you're using

Answer

Numbering S3 buckets sequentially

Answer

A method to compress files in S3

Question 4

What is AWS Storage Gateway?

Accepted Answer

A hybrid cloud storage service connecting on-premises environments to AWS cloud storage

Answer

A physical security gate for AWS data centers

Answer

A tool for monitoring storage capacity

Answer

A VPN service for storage networks

Question 5

What is the maximum size of a single object that can be stored in Amazon S3?

Accepted Answer

5 TB

Answer

5 GB

Answer

1 TB

Answer

Unlimited

Question 6

What is Amazon S3 Transfer Acceleration?

Accepted Answer

A feature that speeds up S3 transfers by routing through CloudFront edge locations

Answer

A faster version of S3

Answer

A service that compresses files during upload

Answer

A tool for batch-moving files between buckets