Top 20 Salesforce Integration Interview Questions and Answers

If you are about to appear for a Salesforce Integration interview, the big question is—are you really prepared? Knowing the trending questions, understanding key concepts, and preparing for scenario-based questions can really have an impact. In this blog, we have gathered the top frequently asked Salesforce Integration interview questions with the best answers, which will help you to crack your interview and get the job as a Salesforce Integration developer.

Top 20 Salesforce Integration Interview Questions and Answers

Q1. What is Salesforce Integration?

A. Salesforce integration means connecting various apps over one platform. Organisations integrate many software applications such as websites, email systems, accounting software, or payment platforms so that all information can be shared smoothly..

Q2. What is an API in Salesforce?

A. API is the way to communicate to salesforce to exchange information automatically. It give a message from one system, sends it to Salesforce, and then brings the response back.

Q3. Can you explain the difference between REST API and SOAP API?

A. REST and SOAP APIs are mainly used differently in the style of their communication and their usage. REST API is a lightweight API that communicates over HTTP and works with JSON data which makes it perfect for short and simple calls in mobile/web applications. SOAP API, however, is more formal (it uses XML) and is also a first choice for enterprise integrations with high security, transactions, and strict messaging standards are required for this API.

Q4. What is an outbound message in Salesforce?

A. Outbound messaging is among the Salesforce features that allow you to communicate with the external system by sending SOAP messages. It is mostly initiated by workflow rules or Process Builder when certain conditions are met.

Q5. What is an External Object in Salesforce?

A. A Salesforce External Object enables you to access more data from an external system on a real-time basis without storing the data in Salesforce.

Q6. What is a connected app in Salesforce?

A. A connected app in Salesforce is a secure way to link to outside systems. When you set one up, you pick OAuth settings, security rules, and API keys. These determine how external apps prove their identity to Salesforce.

Q7. Explain the concept of the Salesforce Integration User.

A. In Salesforce, the Integration User profile is made for system communication. It lets external systems safely get into Salesforce data in a way that's trusted, without needing info to log in as a specific person.

Q8. How do you handle authentication in Salesforce when integrating with external systems?

A. OAuth 2.0 is the best option for secure token authentication for external apps.It limits access to where it should be, and it’s more appropriate for authenticating users.

Q9. How do synchronous and asynchronous integrations differ in Salesforce?

A. In Salesforce, synchronous integration sends a request to a system and waits for the response it cannot continue without getting response. Asynchronous integrations, on the other hand are simple - execute an operation that sends a request and then immediately proceed without waiting for the response from the system.

Q10. What is the difference between using an Apex trigger and a Process Builder for integration tasks?

A. An Apex trigger is code written by developer which runs in Salesforce. It executes on the creation, deletion, or update of records. Process Builder, however, is a point-and-click tool that requires no code and allows for the automation of processes based on simple rules. It is good for simple integration and the Apex trigger is good for complex integration.