Games-R-Us Is Launching a New Game App for Mobile Devices

question 127

Multiple Choice

Games-R-Us is launching a new game app for mobile devices. Users will log into the game using their existing Facebook account and the game will record player data and scoring information directly to a DynamoDB table. What is the most secure approach for signing requests to the DynamoDB API?

• A) Create an IAM user with access credentials that are distributed with the mobile app to sign the requests
• B) Distribute the AWS root account access credentials with the mobile app to sign the requests
• C) Request temporary security credentials using web identity federation to sign the requests
• D) Establish cross account access between the mobile app and the DynamoDB table to sign the requests