4Universal Containers wants to help their dispatches determine the length of time a Work Order should last What should the Consultant implement to help achieve this goal?

A client runs an application on a background worker dyno. The application allows its users to request personalized information as a PDF. At peak usage, the app processes millions of requests at once.The resulting number of requests has caused a bottleneck that is impacting its performance.
Which two solutions can an Architect recommend to resolve the bottleneck and improve performance?
(Choose two.)

Universal Containers utilizes two contractors, Contractor 1 and Contractor 2, to perform repair work Contractor 1 has provided service longer for UniversalContainers and is considered to have more repair work expertise than Contractor 2.
How should a Consultant configure this expertise for Contractor 1 versus Contractor 2?

Universal Containers needs to integrate three separate apps: a Salesforce app, an app developed to Heroku, and a custom-built app hosted on-premise. Each app needs to send and receive data from any of the other apps. Which two integration options should an Architect recommend that can connect all three systems in a fire-and-forget pattern? Choose 2 answers.

A customer would like to analyze data stored in a single, large, high-traffic Heroku Postgres database using a reporting tool that runslong-running, expensive read queries. What reporting architecture should be recommended?
A client wants to create a Heroku web application that needs to provide a low-latency experience for its users, who are based primarily in Japan. Many common user actions will result in synchronous writesto the application's Heroku Postgres database. The application does not have advanced compliance requirements.
Which should an Architect recommend?