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NEW QUESTION 48
A legacy service has an XML-based SOAP interface. The Developer wants to expose the functionality of the service to external clients with the Amazon API Gateway. Which technique will accomplish this?

• A. Create a RESTful API with the API Gateway; pass the incoming JSON to the SOAP interface through an Application Load Balancer.
• B. Create a RESTful API with the API Gateway; transform the incoming JSON into a valid XML message for the SOAP interface using mapping templates.
• C. Create a RESTful API with the API Gateway; pass the incoming XML to the SOAP interface through an Application Load Balancer.
• D. Create a RESTful API with the API Gateway; transform the incoming XML into a valid message for the

Answer: B

Explanation:
SOAP interface using mapping templates.
Explanation:
https://blog.codecentric.de/en/2016/12/serverless-soap-legacy-api-integration-java-aws-lambda-aws-api-gateway/

NEW QUESTION 49
A developer is creating a script to automate the deployment process for a serverless application.
The developer wants to use an existing AWS Serverless Application Model (AWS SAM) template for the application.
What should the developer use for the project? (Select TWO)

• A. Callaws cloudformation package to create the deployment package Call aws cloudformation deploy to deploy the package afterward.
• B. Call sam package to create the deployment package Call sam deploy to deploy the package afterward
• C. Callaws s3 cp to upload the AWS SAM template to Amazon S3 Call aws lambda update-function-code to create the application.
• D. Create a ZIP package locally and call aws serverlessrepo create-applicarion to create the application.
• E. Create a ZIP package and upload it to Amazon S3 Callaws cloudfonnation create-stack to create the application

Answer: B,C

NEW QUESTION 50
An AWS Lambda function must access an external site by using a regularly rotated user name and password. These items must be kept securely and cannot be stored in the function code.
What combination of AWS services can be used to accomplish this? (Choose two.)

• A. AWS Certificate Manager (ACM)
• B. AWS KMS
• C. AWS Trusted Advisor
• D. AWS Systems Manager Parameter Store
• E. Amazon GuardDuty

Answer: B,D

Explanation:
Reference:
https://docs.aws.amazon.com/kms/latest/developerguide/services-parameter-store.html

NEW QUESTION 51
A set of APIs are exposed to customers using the Amazon API Gateway. These APIs have caching enabled on the API Gateway. Customers have asked for an option to invalidate this cache for each of the APIs.
What action can be taken to allow API customers to invalidate the API Cache?

• A. Ask customers to add a query string parameter called "INVALIDATE_CACHE" when making an API call.
• B. Ask customers to invoke an AWS API endpoint which invalidates the cache.
• C. Ask customers to use AWS credentials to call the InvalidateCache API.
• D. Ask customers to pass an HTTP header called Cache-Control:max-age=0.

Answer: D

Explanation:
Explanation
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-caching.html Invalidate an API Gateway Cache Entry A client of your API can invalidate an existing cache entry and reload it from the integration endpoint for individual requests. The client must send a request that contains the Cache-Control: max-age=0 header. The client receives the response directly from the integration endpoint instead of the cache, provided that the client is authorized to do so. This replaces the existing cache entry with the new response, which is fetched from the integration endpoint.

NEW QUESTION 52
If a message is retrieved from a queue in Amazon SQS, how long is the message inaccessible to other users by default?

• A. 30 seconds
• B. 1 day
• C. 1 hour
• D. 0 seconds
• E. forever

Answer: A

NEW QUESTION 53
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