A selection of 10 mock exam style questions focusing around AWS Lambda. I’ve created several mock exam posts in the past (which I’ll link below). I’ve experimented with a WordPress plugin this time which makes answering the questions more interactive. Let me know in the comments if you like this style and I’ll do more of these mock questions.
Which of the following services are not supported by AWS Lambda? (choose 1)
To a certain extent, lambda and EC2 are competing technologies. While lambda aims to remove or drastically reduce the amount of configuration needed to run your software, EC2 exposes the developer to the virtual machine that ultimately runs their code. In addition lambda scales effortlessly while EC2 requires more complex configuration to achieve the same result.
You are using lambda (with large ram allocations) to process videos uploaded to S3 and to convert from their video format to H264. However the operation fails when dealing with particularly large video files. What is the cause of this?
Lambda has a default built in time limit of 5 minutes for any one operation. If a method exceeds this time then it fails. You can however chain lambda calls together. I.e. one lambda function calling another to get around this limitation.
Of the following, which are handled by Lambda by default? (choose 2)
Please select 2 correct answers
Lambda provides auto scaling and security patches for the underlying operating systems that run your lambda functions.
As lambda executes functions in the cloud and not traditionally on a VM. You are limited as to what code you can run within lambda. Is this statement true?
Lambda does not enforce any restrictions on your function logic – if you can code for it, you can run it within a Lambda function. As part of your function, you may need to call other APIs, or access other AWS services like databases.
Can lambda functions access within Dedicated Tenancy VPCs?
https://docs.aws.amazon.com/lambda/latest/dg/accessing-resources.html
Which of the following languages are NOT supported by AWS Lambda? (choose 2)
Please select 2 correct answers
C++ and Pascal are older languages that are not supported by AWS Lambda. The rest of the languages are support.
Building an application that relies on Lambda can be highly beneficial to your organisation, however logging can prove tricky when tracking functions that in turn call other functions. What tools are available in AWS to help this? (choose 3)
Please select 3 correct answers
https://docs.aws.amazon.com/lambda/latest/dg/troubleshooting.html
When was AWS Lambda first made available for general production use?
https://docs.aws.amazon.com/lambda/latest/dg/history.html
Of the list below, pick 2 which lambda reads events from.
Please select 2 correct answers
https://docs.aws.amazon.com/lambda/latest/dg/lambda-services.html
Of the list below, chose 3 which can call Lambda functions asynchronously.
Please select 3 correct answers
https://docs.aws.amazon.com/lambda/latest/dg/lambda-services.html
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