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Salesforce users need to read data from an external system via an HTTP request. Which security methods should an integration architect leverage within Salesforce to secure the integration?

• A. Authorization Provider and Named Credentials
• B. Named Credentials and Two-way SSL
• C. Two-way SSL and Authorization Provider

A company uses Customer Community for course registration. The payment gateway takes more than 30 seconds to process transactions. Students want results in real time to retry if errors occur. What is the recommended integration approach?

• A. Use Platform Events to process payment to the payment gateway.
• B. Use Request and Reply to make an API call to the payment gateway.
• C. Use Continuation to process payment to the payment gateway

Northern Trail Outfitters leverages Sales Cloud. When an opportunity has changed its status to "Closed/Won" and there are products attached, the details should be passed to the OMS for fulfillment operations. The callout from Salesforce to the OMS should be synchronous. What should an integration architect do to satisfy these requirements?

• A. Build a Lightning component that makes a synchronous Apex REST callout to the OMS when a button is clicked.
• B. Write a trigger that invokes an Apex proxy class to make a REST callout to the OMS.
• C. Develop a batch Apex job that aggregates closed opportunities and makes a REST callout to the OMS hourly.

A business requires automating the check and updating of the phone number type classification (mobile vs. landline) for all incoming calls delivered to its phone sales agents. The following conditions exist:
At peak, the call center can receive up to 100,000 calls per day.
The phone number type classification is a service provided by an external service API.
Business is flexible with timing and frequency to check and update the records (throughout the night or every 6-12 hours is sufficient).
A Remote-Call-In pattern and/or Batch Synchronization (Replication via ETL: System -> Salesforce) are determined to work with a middleware hosted on customer premise. In order to implement these patterns and mechanisms, which component should an integration architect recommend?

• A. ConnectedApp configured in Salesforce to authenticate the middleware
• B. Remote Site Settings configured in Salesforce to authenticate the middleware
• C. An API Gateway that authenticates requests from Salesforce into the middleware (ETL/ESB)

Northern Trail Outfitters is creating a distributable Salesforce package. The package needs to call into a custom Apex REST endpoint in the central org. The security team wants to ensure a specific integration account is used in the central org that they will authorize after installation of the package. Which item should an architect recommend to secure the integration?

• A. Contact Salesforce Support and create a case to temporarily enable API access for managed packages.
• B. Use an encrypted field to store the password.
• C. Create a connected app in the central org and add the callback URL for each org in the package it is installed in to redirect after a successful authentication.