Exams / SAA-C03 / Decoupling with queues
Decoupling with queues: SAA-C03 practice questions
6 free questions on Decoupling with queues, from the Design Resilient Architectures domain (26% of the SAA-C03 exam guide). Every question is original and explains why each option is right or wrong.
Questions
- A concert ticketing company's web tier sends each order directly to a fleet of payment workers on Amazon EC2. When popular events go on sale, the workers are overwhelmed…Medium
- An online retailer's order service must notify three other services, billing, shipping and analytics, each time an order is placed. Each service must receive its own copy of…Easier
- A bank's payments platform sends account transactions to a queue for processing by a fleet of workers. Transactions for the same account must be applied in the order they were…Harder
- A media company uses Amazon EC2 workers to transcode video clips from an Amazon SQS standard queue. Each clip takes between 2 and 4 minutes to process, after which the worker…Medium
- An order-processing application reads messages from an Amazon SQS standard queue. A few malformed messages fail every time a worker tries to process them, so they keep returning…Easier
- An Amazon EventBridge rule invokes an AWS Lambda function asynchronously for each new insurance claim. Occasionally the function fails on every attempt and the claim event is…Harder