aws-lambda-quiz.md

AWS LAMBDA Assessment

Q1. How can you increase the CPU resources for your Lambda?

• Increase the configured CPU value
• Increase the configured timeout value
• Increase the configured memory value
• Increase the configured concurrency value

Q2. How can additional code or content can be provided for Lambda?

• blocks
• ayers
• aliases
• handlers

Q3. How can Step Functions call Lambdas?

• in sequence
• both of these answers
• neither of these answers
• in parallel

Q4. Which AWS CLI command invokes a function?

• aws lambda invoke --function ReturnBucketName outputfile.txt
• aws lambda execute --function-name ReturnBucketName outputfile.txt
• aws lambda invoke --function-name ReturnBucketName outputfile.txt
• aws lambda execute --function ReturnBucketName outputfile.txt

Q5. What adds tracing capabilities to a Lambda?

• AWS Trace
• CloudStack
• CloudTrail
• AWS X-Ray

Q6. You need to build a continuous integration/deployment pipeline for a set of Lambdas. What should you do?

• Create configuration files and deploy them using AWS CodePipeline.
• Create CloudFormation templates and deploy them using AWS CodeBuild
• Create configuration file and deploy using AWS CodeBuild
• Create CloudFormation templates and deploy them using AWS CodePipeline.

Q7. What can you use to monitor function invocations?

• API Gateway
• S3
• SAS
• CLoudTrail

Q8. It is AWS best practice to enable Lambda logging by which of these methods.

• Use S3 metrics and CloudWatch alarms
• Create custom metrics within your Lambda code.
• Create custom metrics within your CloudWatch code.
• Use Lambda metrics and CloudWatch alarms.

Q9. What may be provided for environment variables?

• an SSL certificate
• a bitmask
• an AWS KMS key
• an HTTP protocol

Q10. Lambda allows for running of what other things?

• binaries.
• all of these answers
• executables
• Shell scripts

Q11. In what style must you write Lambda code?

• MVC
• virtual
• stateless
• protocol

Q12. How can a developer provide Lambda code?

• by uploading a .zip file
• all of these answers
• by editing inline
• from an S3 bucket

Q13. You are performance-testing your Lambda to verify that you set the memory size adequately. Where do you verify the exectuon overhead?

• CLoudWatch logs
• DynamoDB logs
• S3 logs
• Lambda logs.

Q14. What facilitates continuous delivery of Lambdas?

• CodeStack
• ElasticStack
• Mobile Hub
• CodeDeploy

Q15. How are computing resources allocated to Lambdas?

• proportionally
• equally
• periodically
• daily

Q16. You can restrict the scope of a user's permissions by specifying which two items in an IAM policy?

• resources and users ???
• resources and conditions
• events and users
• events and conditions

Q17. What does Lambda logging include?

• logging streams
• rotating streams
• logging events
• advancing log groups

Q18. What can AWS Amplify NOT do for a Lambda?

• create a Lambda
• be an event source
• assign an IAM role
• delete a Lambda

Q19. How do you author a Lambda in a programming language that AWS does not support?

• Create a Lambda function with a custom runtime and reference the function in your Lambda
• Create a Lambda layer with a custom runtime and reference the layer in your lambda
• You cannot use Lambda in this situation
• Create a Lambda function with a custom runtime

Q20. What are listed downstream resources based on?

• the execution policy
• the Lambda configuration
• the Lambda nodes
• the IAM user

Q21. Which is an equivalent and valid tag for a pair of Lambdas?

• department:Sales,department:Sales
• department:Sales,department:sales
• aws:demo;aws:demo
• aws:demo;aws:DEMO

Q22. Outbound connections from Lambdas must be ______.

• neither of these answers
• UDP/IP
• TCP/IP
• both of these answers

Q23. How are CloudWatch actions configured?

• automatically
• none of these answers
• manually
• ad hoc

Q24. You are testing your stream-based application and the associated Lambda. AWS best practice advises you to test by varying what?

• stream and record sizes
• stream and shard sizes
• batch and record sizes
• batch and shard sizes

Q25. You need to make your Lambda available to services in multiple VPCs. What do you do?

• Place each subnet in a VPC. Associate all subnets to your Lambda.
• Place all subnets in a VPC. Associate all subnets to your Lambda.
• Configure your Lambda to be available to multiple VPCs.
• Configure all application VPCs to be peered.

Q26. How is the cost associated with Lambda function calculated?

• number of function calls
• amount of code run
• compute time
• amount of infrastructure used

Q27. What is the fastest way to get started with Lambda?

• Author a Lambda from scratch.
• Use a blueprint.
• Use a .zip deployment package.
• Use the serverless app repository.

Q28. Where is the disk space allocated for Lambda functions?

• /tmp
• /default
• /temp
• /ds

Q29. How do you stop a running Lambda that is stuck in a recursive loop?

• Delete the function.
• Set the function concurrent execution limit to 0 while you update the code.
• Reset the function.
• Set the function concurrent execution limit to 100 while you update the code.