A Company Is Developing an Application That Will Be Accessed

question 305

Multiple Choice

A company is developing an application that will be accessed through the Amazon API Gateway REST API. Registered users should be the only ones who can access certain resources of this API. The token being used should expire automatically and needs to be refreshed periodically. How can a Developer meet these requirements?

• A) Create an Amazon Cognito identity pool, configure the Amazon Cognito Authorizer in API Gateway, and use the temporary credentials generated by the identity pool.
• B) Create and maintain a database record for each user with a corresponding token and use an AWS Lambda authorizer in API Gateway.
• C) Create an Amazon Cognito user pool, configure the Cognito Authorizer in API Gateway, and use the identity or access token.
• D) Create an IAM user for each API user, attach an invoke permissions policy to the API, and use an IAM authorizer in API Gateway.

Recognize the concept of Tolerance and its significance in the immune response.

Describe the mechanisms through which cytotoxic T cells target and attack intracellular pathogens.

Identify the primary antibody produced in response to an antigen and its importance.

Explain the process of antibody production and the cells involved in this process.