In AWS Step Functions, what is a state machine?
- A database table
- A physical server
- A visual representation of a workflow
- An encryption algorithm
In AWS Step Functions, a state machine is a visual representation of a workflow, defining the sequence of steps and transitions between them.
How does AWS Step Functions handle long-running tasks?
- Auto-retry mechanism
- Manual intervention
- State persistence
- Timeout termination
AWS Step Functions handles long-running tasks by maintaining the state of the workflow execution, allowing it to persist even if they take hours, days, or weeks to complete.
What are some recommended use cases for AWS Step Functions?
- IoT device management
- Orchestration of microservices
- Real-time analytics
- Web hosting
AWS Step Functions is recommended for orchestrating complex workflows involving multiple microservices, coordinating their execution, and handling error scenarios.
AWS Step Functions can integrate with various AWS services including __________ for serverless orchestration.
- AWS Lambda
- Amazon EC2
- Amazon RDS
- Amazon S3
AWS Step Functions can integrate with AWS Lambda for serverless orchestration, allowing you to coordinate multiple AWS services as part of your workflows.
The __________ feature of AWS Step Functions enables you to trigger actions based on the success or failure of a state machine execution.
- Error handling
- Event-driven architecture
- Load balancing
- Retry mechanism
Error handling in AWS Step Functions allows you to define actions to take based on the success or failure of specific states within a state machine execution.
AWS Step Functions can be used to coordinate __________ workflows that involve multiple AWS services and custom business logic.
- Automation
- Load balancing
- Orchestration
- Virtualization
AWS Step Functions provide orchestration capabilities, allowing you to coordinate workflows involving multiple AWS services and custom business logic, thereby automating complex tasks.
Scenario: You are designing a data processing workflow that involves multiple AWS services such as S3, Lambda, and DynamoDB. Which AWS service would you use to orchestrate the workflow and handle error handling?
- AWS ECS
- AWS Glue
- AWS Step Functions
- Amazon SQS
AWS Step Functions provides a serverless orchestration service that allows you to coordinate multiple AWS services, including error handling and retry logic, in a visual workflow.
Scenario: Your team is developing a microservices architecture and needs to manage the flow of requests between services. Which AWS service provides a solution for orchestrating the interactions between microservices?
- AWS App Mesh
- AWS Lambda
- Amazon API Gateway
- Amazon SNS
Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale, providing a solution for orchestrating interactions between microservices.
Scenario: You want to automate the processing of orders in an e-commerce application, including tasks such as inventory management and payment processing. Which AWS service would you use to define the workflow and handle the coordination between tasks?
- AWS Glue
- AWS Lambda
- AWS Step Functions
- Amazon SWF
AWS Step Functions allows you to define and run state machines, providing a way to coordinate multiple tasks, including error handling and retries, in a reliable and scalable manner.
What is AWS SAM?
- AWS Security Access Manager
- AWS Serverless Application Model
- AWS Service Authorization Model
- AWS Simple Application Model
AWS SAM is a framework for building serverless applications using AWS services such as AWS Lambda, Amazon API Gateway, and Amazon DynamoDB.