AWS AWS Storage and Databases 1 — Questions and Answers
Question 1: Which AWS storage service provides scalable object storage for any amount of data?
- Amazon S3 (Correct answer)
- Amazon EBS
- Amazon EFS
- AWS Storage Gateway
Correct answer: Amazon S3
Amazon S3 (Simple Storage Service) provides virtually unlimited scalable object storage accessible from anywhere over the internet.
Question 2: What is the maximum size of a single object in Amazon S3?
- 5 TB (Correct answer)
- 5 GB
- 1 TB
- 100 GB
Correct answer: 5 TB
The maximum size of a single object stored in Amazon S3 is 5 terabytes.
Question 3: Which Amazon S3 storage class is most cost-effective for data that is accessed less than once a month?
- S3 Glacier Instant Retrieval (Correct answer)
- S3 Standard
- S3 Standard-IA
- S3 Intelligent-Tiering
Correct answer: S3 Glacier Instant Retrieval
S3 Glacier Instant Retrieval is designed for archive data that needs millisecond retrieval but is accessed infrequently, offering very low storage costs.
Question 4: What is Amazon RDS?
- A managed relational database service supporting multiple database engines (Correct answer)
- A NoSQL database service
- A data warehousing service
- An in-memory caching service
Correct answer: A managed relational database service supporting multiple database engines
Amazon RDS (Relational Database Service) is a managed service for setting up, operating, and scaling relational databases in the cloud.
Question 5: Which AWS database service is a fully managed NoSQL database with single-digit millisecond performance?
- Amazon DynamoDB (Correct answer)
- Amazon RDS
- Amazon Aurora
- Amazon Redshift
Correct answer: Amazon DynamoDB
Amazon DynamoDB is a fully managed NoSQL key-value and document database delivering consistent single-digit millisecond performance at any scale.
Question 6: What is Amazon EBS primarily used for?
- Persistent block storage volumes for EC2 instances (Correct answer)
- Object storage for static files
- Managed relational databases
- Content delivery and caching
Correct answer: Persistent block storage volumes for EC2 instances
Amazon EBS (Elastic Block Store) provides persistent block storage volumes that can be attached to EC2 instances, similar to a hard drive.
AWS AWS Storage and Databases 1
Which AWS storage service provides scalable object storage for any amount of data?