AWS Interview Questions and Answers

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Q: As a developer, you have created a Lambda function used to work with a bucket in Amazon S3 The Lambda function is not working as expected. You need to debug the issue and understand what's the underlying issue. How can you accomplish this in an easily understandable way?

answered Apr 24 in AWS by DavidAnderson

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Q: Which of the following is the right sequence of hooks that get called in AWS CodeDeploy?

answered Apr 24 in AWS by DavidAnderson

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Q: An application needs to make use of a messaging system. The messages need to be processed in the order they are received, and also no duplicates should be allowed. Which of the following would you use for this purpose?

answered Apr 24 in AWS by DavidAnderson

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Q: You are working on a POC for a new gaming application in us-east-1 region which will be using Amazon Cognito Events to execute AWS Lambda function. AWS Lambda function will issue a winning badge for a player post reaching every new level.

answered Apr 24 in AWS by DavidAnderson

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Q: You need to set up a RESTful API service in AWS that would be serviced via the following URL: https://democompany.com/customers Which of the following combination of services can be used to develop and host the RESTful API service? (Select TWO)

answered Apr 24 in AWS by DavidAnderson

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Q: A Lambda function with proper IAM roles has been developed with the default settings and uses Node.js. The function makes calls to a DynamoDB table. It is estimated that the Lambda function would run for 5 minutes. When the lambda function is executed

answered Apr 24 in AWS by DavidAnderson

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Q: You're a developer at a company that needs to deploy an application using Elastic Beanstalk. There is a requirement to place a healthcheck.config file for the environment.

answered Apr 24 in AWS by DavidAnderson

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Q: Company B is writing 10 items to the Dynamo DB table every second. Each item is 15.5Kb in size. What would be the required provisioned write throughput for best performance? Choose the correct answer from the options below.

answered Apr 24 in AWS by DavidAnderson

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Q: You've currently been tasked to migrate an existing on-premises web application into Elastic Beanstalk. You can't find any relevant AMIs in the beanstalk service that would be suitable to host your application.

answered Apr 24 in AWS by DavidAnderson

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Q: You've developed a set of scripts using AWS Lambda. These scripts need to access EC2 Instances in a VPC. Which of the following needs to be done to ensure that the AWS Lambda function can access the resources in the VPC?

answered Apr 23 in AWS by DavidAnderson

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Q: Your application currently makes use of AWS Cognito for managing user identities. You want to analyze the information that is stored in AWS Cognito for your application. Which of the following features of AWS Cognito should you use for this purpose?

answered Apr 23 in AWS by DavidAnderson

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Q: You are planning to deploy a built application onto an EC2 Instance. There will be several tests conducted on this Instance. You want to have the ability to capture the logs from the web server to help diagnose any issues if they occur.

answered Apr 23 in AWS by DavidAnderson

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Q: Your company has developed a web application and hosted it on an Amazon S3 bucket configured for static content. The users can log in to this app using their Google/Facebook login accounts.

answered Apr 23 in AWS by DavidAnderson

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Q: Your company is planning to create new development environments in AWS. They want to use their existing Chef recipes that they use for their on-premise configuration for servers in AWS. Which of the following service would be ideal to use in this regard?

answered Apr 23 in AWS by DavidAnderson

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Q: An application has been making use of AWS DynamoDB for its back-end data store. The size of the table has now grown to 20 GB, and the scans on the table are causing throttling errors. Which of the following should now be implemented to avoid such errors?

answered Apr 23 in AWS by DavidAnderson

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Q: Your application currently interacts with a DynamoDB table. Records are inserted into the table via the application. There is now a requirement to ensure that another record is inserted into a secondary table whenever items are updated in the DynamoDB primary table.

answered Apr 23 in AWS by DavidAnderson

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Q: You've been instructed to develop a mobile application that will make use of AWS services. You need to decide on a data store to store the user sessions. Which of the following would be an ideal data store for session management?

answered Apr 23 in AWS by DavidAnderson

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Q: Your current log analysis application takes more than four hours to generate a report of the top 10 users of your web application. You have been asked to implement a system that can report this information in real-time, ensure that the report is always up to date

answered Apr 23 in AWS by DavidAnderson

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Q: Your mobile application includes a photo-sharing service that is expecting tens of thousands of users at launch. You will leverage Amazon Simple Storage Service (S3) to store the user Images, and you must decide how to authenticate and authorize your users for access to these images.

answered Apr 23 in AWS by DavidAnderson

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Q: A static web site has been hosted on a bucket and is now being accessed by users. One of the web pages javascript section has been changed to access data hosted in another S3 bucket. Now that same web page is no longer loading in the browser.

answered Apr 23 in AWS by DavidAnderson

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Q: You are in charge of developing an application that will make use of AWS services. There is a key requirement from an architecture point of view that the entire system should be decoupled to ensure less dependency.

answered Apr 22 in AWS by DavidAnderson

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Q: You are in charge of deploying an application hosted on an EC2 Instance and sitting behind an Elastic Load Balancer. You have been requested to monitor the incoming client connections to the Elastic Load Balancer.

answered Apr 22 in AWS by DavidAnderson

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Q: An application is being developed that is going to write data to a DynamoDB table. You have to set up the read and write throughput for the table. Data is going to be read at the rate of 300 items every 30 seconds. Each item is of size 6KB. The reads can be eventual consistent reads.

answered Apr 22 in AWS by DavidAnderson

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Q: Your application has the requirement to store data in a backend data store. Indexing should be possible on the data, but the data does not conform to any schema.

answered Apr 22 in AWS by DavidAnderson

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Q: You've been asked to develop an application on the AWS Cloud. The application will be used to store confidential documents in an S3 bucket. You need to ensure that the bucket is defined in such a way that it does not accept objects that are not encrypted.

answered Apr 22 in AWS by DavidAnderson

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Q: You are using S3 buckets to store images. These S3 buckets invoke a lambda function on upload. The Lambda function creates thumbnails of the images and stores them in another S3 bucket. An AWS CloudFormation template is used to create the Lambda function with the resource "AWS::Lambda::Function"

answered Apr 22 in AWS by DavidAnderson

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Q: You're developing an application that will be hosted on an EC2 Instance. This will be part of an Autoscaling Group. The application needs to get the private IP of the instance to send it across to a controller-based application. Which of the following can be done to achie

answered Apr 22 in AWS by DavidAnderson

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Q: You've been hired to develop a gaming application for a large company. The application will be developed using AWS resources.You need to ensure that the right services are used during the development and subsequent deployment of the application.

answered Apr 22 in AWS by DavidAnderson

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Q: You have a number of Lambda functions that need to be deployed using AWS CodeDeploy. The lambda functions have gone through multiple code revisions, and versioning in Lambda is being used to maintain the revisions.

answered Apr 22 in AWS by DavidAnderson

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Q: Your AWS Lambda function writes to an S3 bucket. Which of the following is the best practice to pass operational parameters, such as the bucket name, to your Lambda function?

answered Apr 22 in AWS by DavidAnderson

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