Learn about the responsibilities of a company using AWS Lambda, focusing on code security and development. Understand the shared responsibility model for AWS Lambda in this detailed guide.
Table of Contents
Question
What are the responsibilities of a company that is using AWS Lambda? (Select TWO.)
A. In-code security
B. CPU resource selection
C. Operating system patching
D. Code writing and updating
E. Underlying infrastructure security
Answer
A. In-code security, D. Code writing and updating
Explanation
The responsibilities of a company that is using AWS Lambda are in-code security and code writing and updating. AWS Lambda is a serverless compute service that lets you run code without provisioning or managing servers, scaling or patching. AWS Lambda takes care of the security of the underlying infrastructure, such as the operating system, network, and firewall. However, the company is still responsible for the security of the code itself, such as encrypting sensitive data, validating input, and handling errors. The company is also responsible for writing and updating the code that defines the Lambda function and choosing the runtime environment, such as Node.js, Python, or Java.
AWS Lambda is a serverless computing service, which means that Amazon Web Services (AWS) manages the underlying infrastructure, including server provisioning, operating system patching, scaling, and security of the platform. However, under AWS’s shared responsibility model, companies using Lambda are responsible for certain aspects of their applications.
A. In-code security:
- Companies are responsible for securing the code they write and deploy within Lambda functions. This includes implementing proper input validation, encryption, access controls, and ensuring that the code does not contain vulnerabilities that could be exploited.
- AWS ensures the security of the underlying infrastructure, but customers must secure their application logic and data.
D. Code writing and updating:
- It is the company’s responsibility to write, test, and update the code that runs within Lambda functions. This includes fixing bugs, adding new features, and ensuring compatibility with any changes in dependencies or runtime environments.
- AWS provides tools to deploy and monitor this code but does not develop or maintain it for you.
Why Not the Other Options?
B. CPU resource selection:
AWS automatically provisions and scales compute resources for Lambda functions based on usage. Customers do not have control over CPU selection or allocation.
C. Operating system patching:
AWS handles all operating system maintenance, including patching and updates for the infrastructure running Lambda functions.
E. Underlying infrastructure security:
Security of the underlying infrastructure (e.g., physical hardware, network layer) is managed by AWS as part of their shared responsibility model.
By focusing on in-code security and code development, companies can ensure their applications are secure and functional while relying on AWS to handle backend operations like scaling and infrastructure management.
A. AWS Lambda does not require CPU resource selection, as it automatically allocates based on the memory configuration.
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