CLF-C02 Storage Services 3

Question 1

Which feature of Amazon S3 helps protect against accidental deletion by keeping multiple versions of an object?

Accepted Answer

S3 Versioning

Answer

S3 Versioning preserves every version of an object, allowing recovery from accidental deletions or overwrites.

Question 2

A media company needs shared file storage accessible by Windows-based EC2 instances using the SMB protocol. Which service should they use?

Accepted Answer

Amazon FSx for Windows File Server

Answer

Amazon FSx for Windows File Server provides fully managed Windows-native shared storage using the SMB protocol.

Question 3

Which S3 storage class is designed for data that is accessed less than once a year and can tolerate hours of retrieval time at the lowest cost?

Accepted Answer

S3 Glacier Deep Archive

Answer

S3 Glacier Deep Archive is AWS's lowest-cost storage class, designed for data retained for 7–10 years with 12-hour retrieval times.

Question 4

What happens to data stored on an EC2 Instance Store if the underlying host fails?

Accepted Answer

Data is permanently lost

Answer

Instance Store is ephemeral storage tied to the physical host; if the host fails or the instance stops, all data is permanently lost.

Question 5

Which AWS Storage Gateway mode is best for providing on-premises applications with cloud-backed file storage using NFS or SMB?

Accepted Answer

File Gateway

Answer

File Gateway presents cloud-backed NFS/SMB file shares to on-premises applications, transparently storing files in S3.

(CLF-C02) AWS Certified Cloud Practitioner Practice Test