20 AWS Cloud Development Kit Interview Questions and Answers

The AWS Cloud Development Kit (AWS CDK) is a toolkit that allows developers to create cloud-native applications using familiar programming languages. If you’re applying for a position that involves AWS CDK, you can expect to be asked questions about it during your interview. In this article, we review some of the most common AWS CDK questions and provide tips on how to answer them.

AWS Cloud Development Kit Interview Questions and Answers

Here are 20 commonly asked AWS Cloud Development Kit interview questions and answers to prepare you for your interview:

1. What is the AWS Cloud Development Kit?

The AWS Cloud Development Kit is a set of tools and libraries that enable developers to create applications that can run on Amazon Web Services (AWS). The AWS Cloud Development Kit is open source and available on GitHub.

2. Can you give me some examples of where to use the AWS Cloud Development Kit?

The AWS Cloud Development Kit can be used for a variety of tasks related to developing applications on the AWS platform. Some examples include creating and deploying AWS Lambda functions, creating and managing AWS resources, and configuring AWS Identity and Access Management.

3. What are the advantages and disadvantages of using the AWS Cloud Development Kit?

The AWS Cloud Development Kit has a few advantages. First, it allows developers to use familiar programming languages to define infrastructure resources. Second, it is easy to get started with and doesn’t require a lot of upfront investment. Finally, it integrates well with other AWS services. However, there are a few disadvantages to using the AWS Cloud Development Kit as well. First, it can be difficult to debug errors. Second, it can be challenging to manage complex resources. Finally, it can be expensive to use if you are not using AWS’s free tier.

4. Do I need to be proficient in JavaScript in order to work with the AWS Cloud Development Kit?

No, you do not need to be proficient in JavaScript in order to work with the AWS Cloud Development Kit. The AWS Cloud Development Kit is a tool that allows you to work with AWS cloud resources using familiar programming languages, such as Java, Python, and C#.

5. Are there any limitations or restrictions on what we can do with the AWS Cloud Development Kit?

The AWS Cloud Development Kit is designed to help developers create cloud-native applications and services that are portable across all major AWS cloud services. However, there are some limitations to what you can do with the AWS Cloud Development Kit. For example, you cannot use the AWS Cloud Development Kit to create applications that run on Amazon Elastic Compute Cloud (EC2) instances or Amazon Simple Storage Service (S3) buckets.

6. Is it possible to create a custom resource type for my application when using the AWS Cloud Development Kit? If yes, then how?

Yes, it is possible to create a custom resource type for your application when using the AWS Cloud Development Kit. You can do this by creating a new file in your project’s “cdk.out” directory. This file will contain your custom resource type definition. You can then reference this file in your CloudFormation template to use your custom resource type.

7. How does the AWS Cloud Development Kit differ from other cloud development solutions like Google Cloud Platform, Microsoft Azure, etc.?

The AWS Cloud Development Kit is designed to provide a unified experience for developing cloud applications across multiple AWS services. It offers a declarative programming model that allows you to describe your application resources using AWS CloudFormation templates. The AWS Cloud Development Kit also includes a set of tools and libraries that help you localize your application development and debugging, and it integrates with the AWS Command Line Interface for deployment and management tasks.

8. Why would someone want to use the AWS Cloud Development Kit over other AWS services like Lambda, SNS, SQS, etc.?

The AWS Cloud Development Kit is a tool that allows developers to create cloud-native applications using familiar programming languages. With the AWS Cloud Development Kit, developers can define infrastructure as code, which makes it easy to manage and provision AWS resources. The AWS Cloud Development Kit also provides a set of tools for testing and debugging cloud-native applications.

9. What is the difference between the “AWS::Serverless” specification and the “AWS::Serverless-2016-10-31” specification?

The AWS::Serverless specification is the original Serverless Application Model (SAM) specification, while the AWS::Serverless-2016-10-31 specification is an updated version that includes support for additional resources and properties.

10. Is it possible to test an AWS Cloud Development Kit application locally before deploying it to the cloud?

Yes, it is possible to test an AWS Cloud Development Kit application locally before deploying it to the cloud. The AWS Cloud Development Kit provides a local testing environment that can be used to test applications before they are deployed. This local testing environment simulates the AWS cloud, allowing developers to test their applications in a realistic setting.

11. Where can I get started learning about the AWS Cloud Development Kit?

You can find the AWS Cloud Development Kit documentation here: https://docs.aws.amazon.com/cdk/latest/guide/getting_started.html. This documentation will give you an overview of what the AWS Cloud Development Kit is and how it can be used to develop cloud applications.

12. How easy is it to migrate applications that have been deployed to AWS using the Serverless Application Model or SAM to the AWS Cloud Development Kit?

Migrating applications from SAM to the AWS Cloud Development Kit is a fairly straightforward process. The AWS Cloud Development Kit is designed to be compatible with existing AWS infrastructure and services, so most applications should be able to run without too much modification. The AWS Cloud Development Kit also provides a number of tools and services that can help simplify the process of migrating applications, so it should not be too difficult to get everything up and running on the new platform.

13. What are the main components of the AWS Cloud Development Kit?

The AWS Cloud Development Kit is a set of tools and services that help developers build applications that run on the AWS cloud. The main components of the AWS Cloud Development Kit are the AWS CloudFormation templates, the AWS CloudFormation Designer, and the AWS CloudFormation CLI.

14. What languages are supported by the AWS Cloud Development Kit? How do they compare to each other?

The AWS Cloud Development Kit currently supports four languages: Java, JavaScript, Python, and TypeScript. Of these languages, Java and Python are the most popular, followed by JavaScript and TypeScript. All four languages are equally capable of developing AWS applications, but each has its own strengths and weaknesses. For example, Java is a more verbose language, while Python is more concise. JavaScript is more widely known, while TypeScript is a superset of JavaScript that adds static typing.

15. What IDE’s should I use when developing applications with the AWS Cloud Development Kit?

You can use any IDE that you like when developing applications with the AWS Cloud Development Kit. However, we recommend using the AWS Cloud9 IDE, as it comes with everything you need to get started, including a pre-configured development environment and AWS credentials.

16. What tools and libraries are available to help debug problems faced during development of apps with the AWS Cloud Development Kit?

The AWS Cloud Development Kit is a toolkit that helps developers build cloud-native applications. It includes a set of tools and libraries that can be used to debug problems during development.

17. What is your opinion on the security issues experienced with AWS Cloud Development Kit applications in production?

I believe that the security issues experienced with AWS Cloud Development Kit applications in production are due to the fact that the AWS Cloud Development Kit is a relatively new technology. As with any new technology, there are bound to be some security issues that arise. However, I believe that the AWS Cloud Development Kit is a very promising technology and that the security issues will be ironed out as the technology matures.

18. What’s the best way to check for emptiness or existence of a dictionary in Python?

The best way to check for the existence of a key in a dictionary is to use the in keyword. This will return True if the key exists in the dictionary and False if it does not. To check for emptiness, you can use the len() function. This will return 0 if the dictionary is empty and a positive integer if it is not.

19. What are iterables and why are they important?

Iterables are important because they allow you to process data one element at a time. This can be important when you are working with large data sets and you want to avoid loading the entire set into memory at once. Iterables also allow you to easily parallelize your processing, which can further improve performance.

20. What are the three pillars of object-oriented programming?

The three pillars of object-oriented programming are encapsulation, inheritance, and polymorphism.