AWS AWS Storage Solutions 3 — Questions and Answers
Question 1: Which feature speeds up uploads to S3 by routing traffic through CloudFront edge locations?
- S3 Cross-Region Replication
- S3 Transfer Acceleration (Correct answer)
- S3 Select
- S3 Batch Operations
Correct answer: S3 Transfer Acceleration
Transfer Acceleration uses CloudFront edge locations to speed long-distance uploads and downloads.
Question 2: What is the maximum size of a single object that can be stored in Amazon S3?
- 5 GB
- 5 TB (Correct answer)
- 500 GB
- Unlimited
Correct answer: 5 TB
A single S3 object can be up to 5 TB, with multipart upload required above 5 GB.
Question 3: Which storage option keeps data in a single Availability Zone to reduce cost but with lower resilience?
- S3 Standard
- S3 One Zone-IA (Correct answer)
- S3 Glacier
- S3 Intelligent-Tiering
Correct answer: S3 One Zone-IA
S3 One Zone-IA stores data in one AZ, lowering cost at the expense of AZ-failure resilience.
Question 4: What does an EBS snapshot store data in behind the scenes?
- Another EBS volume
- Amazon S3 (Correct answer)
- Instance store
- Amazon EFS
Correct answer: Amazon S3
EBS snapshots are stored incrementally in Amazon S3, though managed through the EBS service.
Question 5: Which AWS service is designed for hybrid storage, connecting on-premises environments to AWS cloud storage?
- AWS Storage Gateway (Correct answer)
- Amazon EFS
- Amazon S3 Glacier
- AWS DataSync
Correct answer: AWS Storage Gateway
AWS Storage Gateway bridges on-premises applications with AWS cloud storage.
Question 6: What happens to data on an EC2 instance store volume when the instance is stopped?
- It is backed up to S3
- It persists permanently
- It is lost (Correct answer)
- It moves to EBS
Correct answer: It is lost
Instance store is ephemeral, so its data is lost when the instance stops or terminates.
Question 7: Which feature prevents S3 objects from being deleted or overwritten for a fixed period to meet compliance needs?
- S3 Versioning
- S3 Object Lock (Correct answer)
- S3 Lifecycle policy
- S3 ACL
Correct answer: S3 Object Lock
S3 Object Lock enforces WORM protection, preventing deletion or change for a defined retention period.
AWS AWS Storage Solutions 3
Which feature speeds up uploads to S3 by routing traffic through CloudFront edge locations?