CCP AWS Core Infrastructure Services 1 — Questions and Answers
Question 1: Which Amazon EC2 storage type provides temporary block storage that is deleted when an instance is stopped or terminated?
- Amazon EBS
- Amazon EFS
- Instance Store (Correct answer)
- Amazon S3
Correct answer: Instance Store
Instance Store (ephemeral storage) is physically attached to the host and is lost when the EC2 instance stops, hibernates, or terminates.
Question 2: Which AWS storage service is best suited for sharing a file system across multiple EC2 instances simultaneously?
- Amazon EBS
- Amazon S3
- Amazon EFS (Correct answer)
- AWS Storage Gateway
Correct answer: Amazon EFS
Amazon EFS (Elastic File System) is a managed NFS file system that can be mounted concurrently by thousands of EC2 instances.
Question 3: What is the maximum size of a single object that can be stored in Amazon S3?
- 1 GB
- 5 GB
- 5 TB (Correct answer)
- 50 TB
Correct answer: 5 TB
A single S3 object can be up to 5 TB in size, though objects larger than 5 GB must be uploaded using the multipart upload API.
Question 4: Which Amazon S3 storage class is designed for data that is accessed infrequently but requires millisecond retrieval?
- S3 Standard
- S3 Glacier Instant Retrieval
- S3 Standard-IA (Correct answer)
- S3 One Zone-IA
Correct answer: S3 Standard-IA
S3 Standard-IA (Infrequent Access) is for data accessed less often but still needs rapid access when retrieved, at a lower storage cost than S3 Standard.
Question 5: Which AWS service provides a managed relational database with automated backups, patching, and failover?
- Amazon DynamoDB
- Amazon RDS (Correct answer)
- Amazon Redshift
- Amazon ElastiCache
Correct answer: Amazon RDS
Amazon RDS (Relational Database Service) manages relational databases like MySQL, PostgreSQL, and Oracle, handling backups, patches, and Multi-AZ failover automatically.
Question 6: Which AWS database service is a fully managed, serverless NoSQL key-value and document database?
- Amazon RDS
- Amazon Aurora
- Amazon DynamoDB (Correct answer)
- Amazon Redshift
Correct answer: Amazon DynamoDB
Amazon DynamoDB is a fully managed serverless NoSQL database offering single-digit millisecond performance at any scale.
CCP AWS Core Infrastructure Services 1
Which Amazon EC2 storage type provides temporary block storage that is deleted when an instance is stopped or terminated?