AWS Lambda can process S3 events in __________ mode, allowing you to handle high volumes of events.
- Batch
- Real-time
- Sequential
- Stream
AWS Lambda can process S3 events in batch mode, allowing it to handle high volumes of events efficiently by batching multiple events together for processing.
__________ is a feature of S3 events that enables you to customize the event notification content sent to AWS Lambda.
- Event filtering
- Event logging
- Event routing
- Event transformation
Event transformation is a feature of S3 event notifications that enables you to modify the content of the event before it's sent to AWS Lambda.
Cross-region replication of S3 events can be used to trigger AWS Lambda functions in __________ regions.
- Local
- Multiple
- Same
- Single
Cross-region replication of S3 events allows you to trigger AWS Lambda functions in multiple regions, enabling distributed processing of events.
Scenario: You are building a data processing pipeline that requires real-time analysis of images uploaded to an S3 bucket. How would you configure AWS Lambda to trigger image processing functions in response to S3 upload events?
- Configure an S3 event notification to trigger a Lambda function
- Poll the S3 bucket for changes periodically
- Use Amazon SNS to publish S3 events
- Use Amazon SQS to queue S3 events
Configuring an S3 event notification to trigger a Lambda function is the correct approach for real-time analysis of images uploaded to an S3 bucket.
Scenario: You need to replicate S3 objects across multiple AWS regions and trigger AWS Lambda functions in each region. How would you design the architecture to achieve this requirement?
- Implement custom scripts to manage object replication and Lambda invocation
- Manually copy S3 objects to each region and trigger Lambda functions
- Use AWS Lambda destinations to replicate objects and trigger functions
- Use S3 cross-region replication to replicate objects and trigger Lambda functions in each region
Using S3 cross-region replication to replicate objects and trigger Lambda functions in each region is the most efficient way to achieve the requirement of replicating S3 objects across multiple regions and triggering functions.
When using SNS triggers with AWS Lambda, what type of messaging protocol is commonly used?
- Amazon SQS
- HTTP/S
- JSON-over-HTTP
- SMTP
JSON-over-HTTP is a commonly used messaging protocol with SNS triggers for AWS Lambda, allowing for lightweight communication between services.
In AWS Lambda, what happens after an SNS message triggers a function?
- The function is executed
- The function is paused
- The message is deleted
- The message is resent
After an SNS message triggers a function in AWS Lambda, the function is executed, allowing you to process the message payload and perform actions based on it.
How does AWS Lambda handle multiple SNS messages concurrently?
- By batching messages
- By limiting concurrency
- By pausing execution
- By scaling horizontally
AWS Lambda automatically scales horizontally to handle multiple SNS messages concurrently, spinning up additional instances of the function as needed.
What is a common use case for integrating SNS with AWS Lambda?
- Long-term data storage
- Machine learning model training
- Managing network traffic
- Processing real-time events
Integrating SNS with AWS Lambda allows for processing real-time events, such as notifications, updates, or alerts, with serverless functions.
What are the main benefits of using SNS triggers with AWS Lambda functions?
- Asynchronous event processing
- Cost optimization
- Load balancing
- Real-time data processing
SNS triggers enable AWS Lambda functions to process events asynchronously, allowing for scalable and responsive event-driven architectures.