A Developer Implemented a Static Website Hosted in Amazon S3

question 359

Multiple Choice

A Developer implemented a static website hosted in Amazon S3 that makes web service requests hosted in Amazon API Gateway and AWS Lambda. The site is showing an error that reads: "No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access." What should the Developer do to resolve this issue?

• A) Enable cross-origin resource sharing (CORS) on the S3 bucket.
• B) Enable cross-origin resource sharing (CORS) for the method in API Gateway
• C) Add the Access-Control-Request-Method header to the request
• D) Add the Access-Control-Request-Headers header to the request

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Definitions:

Dependent Variable

a variable in an experiment or model whose value depends on the effects of other variables, often denoted as the output or outcome variable.

Scatter Plot

A type of data visualization that displays values for two variables for a set of data, showing the relationship between them.

Linear Regression

A statistical method used to model the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

Positive Skewness

A distribution characteristic where the right tail (higher values) is longer than the left tail, indicating that the mass of the distribution is concentrated on the left.