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You're standing in front of a 100 story building with two identical bowling balls. You've been tasked with testing the bowling balls' resilience. The building has a stairwell with a window at each story from which you can (conveniently) drop bowling balls. To test the bowling balls you need to find the first floor at which they break. It might be the 100th floor or it might be the 50th floor, but if it breaks somewhere in the middle you know it will break at every floor above. Devise an algorithm which guarantees you'll find the first floor at which one of your bowling balls will break. You're graded on your algorithm's worst-case running time.
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AWS Cloud Interm

Interviewed at Basware

4.1★
May 21, 2022

You're standing in front of a 100 story building with two identical bowling balls. You've been tasked with testing the bowling balls' resilience. The building has a stairwell with a window at each story from which you can (conveniently) drop bowling balls. To test the bowling balls you need to find the first floor at which they break. It might be the 100th floor or it might be the 50th floor, but if it breaks somewhere in the middle you know it will break at every floor above. Devise an algorithm which guarantees you'll find the first floor at which one of your bowling balls will break. You're graded on your algorithm's worst-case running time.

Basic AWS Knowledge: What is AWS? Explain its key components and services. What is the difference between EC2 and S3? What is an Availability Zone in AWS? AWS Services: Describe the use cases and benefits of services like EC2, S3, RDS, Lambda, IAM, and CloudFormation. How would you architect a serverless application using AWS Lambda and API Gateway? Explain the differences between Amazon RDS and Amazon DynamoDB. Security and Compliance: How do you secure data at rest and in transit on AWS? Explain the roles and responsibilities of AWS and the customer when it comes to security. How would you secure an EC2 instance?
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AWS Cloud Engineer

Interviewed at Amazon

3.5★
Jun 17, 2023

Basic AWS Knowledge: What is AWS? Explain its key components and services. What is the difference between EC2 and S3? What is an Availability Zone in AWS? AWS Services: Describe the use cases and benefits of services like EC2, S3, RDS, Lambda, IAM, and CloudFormation. How would you architect a serverless application using AWS Lambda and API Gateway? Explain the differences between Amazon RDS and Amazon DynamoDB. Security and Compliance: How do you secure data at rest and in transit on AWS? Explain the roles and responsibilities of AWS and the customer when it comes to security. How would you secure an EC2 instance?

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