MCQs on Application Configuration and Management | AWS Elastic Beanstalk Multiple Choice Questions

AWS Elastic Beanstalk simplifies the deployment and scaling of web applications. This set of AWS Elastic Beanstalk MCQ questions and answers covers essential topics like configuration options, managing environment variables, and scaling with load balancing. Ideal for professionals aiming to deepen their knowledge of AWS application management.

Configuration Options

1. What are configuration options in AWS Elastic Beanstalk?
   a) Settings for application code deployment
   b) Parameters for configuring environments
   c) Rules for setting up database schemas
   d) Options for managing user permissions
2. How can you modify configuration options in Elastic Beanstalk?
   a) Through the AWS Management Console
   b) Using Elastic Beanstalk CLI
   c) Via configuration files like .ebextensions
   d) All of the above
3. Which configuration file format is supported by Elastic Beanstalk for custom settings?
   a) YAML
   b) JSON
   c) XML
   d) INI
4. What is the purpose of the .ebextensions directory in an Elastic Beanstalk application?
   a) To store deployment logs
   b) To define configuration customizations
   c) To manage IAM roles
   d) To hold database backups
5. How are changes to configuration options applied in Elastic Beanstalk?
   a) Immediately without interruption
   b) During environment rebuilds
   c) During code updates only
   d) Automatically every hour
6. Elastic Beanstalk configuration options are grouped into categories called:
   a) Parameter Groups
   b) Configuration Levels
   c) Option Namespaces
   d) Setting Classes
7. What happens if invalid configuration settings are applied?
   a) Elastic Beanstalk automatically corrects them
   b) The environment may fail to update properly
   c) A warning message is displayed, but deployment proceeds
   d) The application is removed from the environment

Managing Environment Variables

8. What is the purpose of environment variables in Elastic Beanstalk?
   a) To define runtime configurations for applications
   b) To control access to AWS services
   c) To set permissions for EC2 instances
   d) To manage Elastic Load Balancer behavior
9. How can environment variables be set in Elastic Beanstalk?
   a) Through the AWS Management Console
   b) Using the Elastic Beanstalk CLI
   c) Via the Elastic Beanstalk API
   d) All of the above
10. What happens when you update an environment variable in Elastic Beanstalk?
    a) The application restarts to apply changes
    b) The changes take effect immediately without restarting
    c) The application stops for manual confirmation
    d) A new deployment is triggered automatically
11. Which AWS service can securely store sensitive data referenced by environment variables?
    a) AWS Secrets Manager
    b) Amazon S3
    c) AWS CloudTrail
    d) Amazon CloudFront
12. What is the default method for accessing environment variables in an application deployed on Elastic Beanstalk?
    a) Through API Gateway endpoints
    b) Using os.environ in the application code
    c) Via a special CLI command
    d) By querying CloudWatch Logs
13. Environment variables in Elastic Beanstalk are specific to:
    a) The application version
    b) The entire account
    c) A single environment
    d) All Elastic Beanstalk applications
14. How can sensitive data like API keys be protected when using environment variables?
    a) Encrypt the values before adding them
    b) Use AWS Key Management Service (KMS)
    c) Store sensitive data in AWS Secrets Manager and reference it
    d) All of the above

Application Scaling and Load Balancing

15. How does Elastic Beanstalk scale an application?
    a) By deploying multiple versions of the application
    b) By increasing EC2 instance sizes
    c) By adding or removing EC2 instances automatically
    d) By allocating additional memory to the application
16. Which Elastic Beanstalk component manages load balancing?
    a) Auto Scaling Groups
    b) Elastic Load Balancer (ELB)
    c) EC2 Instances
    d) Route 53
17. What type of scaling policies does Elastic Beanstalk support?
    a) Manual Scaling
    b) Scheduled Scaling
    c) Dynamic Scaling
    d) All of the above
18. Which metric is commonly used to trigger scaling in Elastic Beanstalk?
    a) Disk Read/Write Throughput
    b) Network Inbound/Outbound
    c) CPU Utilization
    d) Number of running EC2 instances
19. How can you customize Auto Scaling settings in Elastic Beanstalk?
    a) By editing the environment settings in the AWS Management Console
    b) Using configuration files in the .ebextensions directory
    c) Through the Elastic Beanstalk CLI
    d) All of the above
20. Elastic Load Balancer (ELB) in Elastic Beanstalk ensures:
    a) High availability of the application
    b) Secure data storage in S3
    c) Faster application updates
    d) Backup and restore functionalities
21. How does Elastic Beanstalk ensure high availability during scaling?
    a) By deploying applications in multiple regions
    b) By distributing traffic across multiple availability zones
    c) By creating duplicate environments
    d) By using only on-demand instances
22. What happens when the load on an application decreases in Elastic Beanstalk?
    a) EC2 instances are automatically terminated to reduce costs
    b) Instances are stopped but remain allocated
    c) Traffic is routed to a single instance
    d) A manual confirmation is required to scale down
23. What is the default scaling configuration in Elastic Beanstalk?
    a) Scheduled scaling only
    b) Dynamic scaling using CPU utilization
    c) Manual scaling through user commands
    d) Fixed number of EC2 instances
24. How can scaling policies be tested in Elastic Beanstalk?
    a) By simulating load using stress testing tools
    b) By adjusting configuration options manually
    c) By inspecting log files
    d) By deploying in a staging environment
25. Elastic Beanstalk allows integration with which service for advanced monitoring of scaling?
    a) AWS CloudTrail
    b) Amazon CloudWatch
    c) AWS Trusted Advisor
    d) AWS X-Ray

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