Modules 9-10 Quiz

What AWS service automatically adjusts EC2 capacity to maintain desired performance?

• Elastic Load Balancing
• EC2 Auto Scaling
• Amazon RDS
• Amazon CloudFront

Answer explanation

EC2 Auto Scaling adjusts the number of EC2 instances automatically.

Which AWS service distributes incoming traffic across multiple resources?

• AWS VPN
• Amazon Route 53
• Elastic Load Balancing
• Amazon S3

Answer explanation

Elastic Load Balancing distributes traffic across targets like EC2 instances.

What database service allows automatic scaling based on application needs?

• Amazon RDS
• Amazon Aurora Serverless
• Amazon DynamoDB Streams
• AWS Glue

Answer explanation

Aurora Serverless automatically adjusts database capacity based on load.

What is the maximum number of Aurora read replicas supported?

• 5
• 10
• 15
• 20

Answer explanation

Aurora supports up to 15 read replicas.

Which service monitors AWS resources and applications in real time?

• AWS IAM
• AWS Systems Manager
• Amazon CloudWatch
• Amazon Macie

Answer explanation

Amazon CloudWatch provides metrics and real-time monitoring.

Which DNS service supports health checking and failover routing?

• Amazon S3
• Amazon Route 53
• AWS Direct Connect
• Amazon Inspector

Answer explanation

Amazon Route 53 supports DNS-based health checks and failover routing.

Which service uses Events and Rules to automate resource actions?

• AWS Lambda
• Amazon EventBridge
• Amazon SQS
• Amazon EC2 Auto Recovery

Answer explanation

EventBridge routes events to services based on defined rules.

Which service allows defining infrastructure as code in YAML or JSON?

• AWS Systems Manager
• AWS CloudFormation
• AWS Config
• AWS Organizations

Answer explanation

AWS CloudFormation templates allow defining AWS resources in code.

Which AWS service is used for automating OS patch management across EC2?

• AWS OpsWorks
• AWS Systems Manager
• AWS CloudTrail
• Amazon SNS

Answer explanation

AWS Systems Manager automates patching, inventory, and configuration tasks.

Which managed service allows easy deployment of web apps without managing infrastructure?

• AWS CodePipeline
• AWS Elastic Beanstalk
• AWS AppConfig
• AWS Amplify

Answer explanation

Elastic Beanstalk manages infrastructure for web applications automatically.