Universal Containers would like to ensure that the server and client-side app's identity is mutually authenticated for all integrations.
Which two of the integration patterns below support such authentication?

Universal Containers (UC) uses Salesforce to create and manager accounts and opportunities. With Salesforce being the master of records, the opportunities on existing accounts are required to be updated with product usage statistics from an on-premise usage tracking system that is capable of participating in contract-first integration.
Which three steps should the Integration Architect consider given that UC does not want any custom development in Salesforce?

A company needs to be able to send data from Salesforce to a home grown system behind a corporate firewall.
The data needs to be pushed only one way and doesn't need to be sent in real time. The average volume is 2 million records per day.
What should an integration architect consider when choosing the right option in building the integration between the external system and Salesforce?

Universal containers would like to restrict access to Salesforce to only clients on their network Which two mechanisms should an Integration Architect utilize to prevent unauthorized clients?
Choose 2 answers

Universal Containers wants to gather information from a third-party application to update shipping information for an order inside Salesforce. A salesperson could trigger an update and the user interface would refresh with the current status.
Which are two recommended options for this when utilizing a Remote Process Invocation-Request and Reply pattern?