ApplikonTech It Solution Salesforce Developer Interview Questions and Answers

Api based questions where to post or get fetch data

Q1. Dp questions were asked
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Q2. Sql basic questions were asked
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Q1. Why has Salesforce introduced LWCs over Aura components?
Ans. 
Salesforce introduced LWCs for better performance, reusability, and modern web standards.
• LWCs offer better performance due to their lightweight nature and optimized rendering.

• LWCs promote reusability through modular design and encapsulation of functionality.

• LWCs align with modern web standards like ES6, Shadow DOM, and Web Components, making them more future-proof.

• Aura components are based on Aura framework, which has ...read more
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Q2. What are the differences in events in LWCs compared to Aura components?
Ans. 
Events in LWCs differ from Aura components in terms of syntax, propagation, and handling.
• In LWCs, events are dispatched using the standard DOM event model, while in Aura components, events are handled using the Aura event system.

• LWC events use standard JavaScript event handling methods like addEventListener and dispatchEvent, while Aura events use $A.get('e.namespace:eventName').fire().

• LWC events do not bubble up the D...read more
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Q3. Why are application events avoided?
Ans. 
Application events are avoided in Salesforce development due to their potential impact on performance and complexity.
• Application events can lead to tight coupling between components, making the code harder to maintain and debug.

• They can also result in excessive event firing, causing performance issues.

• Using component events or other communication patterns like pub-sub can be more efficient and manageable.

• Avoiding appli...read more
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Find the count of contacts associated to an account which have unique email Ids

Q1. What are the integration frameworks that you have worked with?
Ans. 
I have worked with integration frameworks such as MuleSoft, Apache Camel, and Dell Boomi.
• MuleSoft

• Apache Camel

• Dell Boomi
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Q2. What are external objects and how can you use them with a scenario?
Ans. 
External objects are virtual objects that allow you to access data stored outside Salesforce.
• External objects represent data from an external system in Salesforce without copying the data into Salesforce.

• They are defined using external data sources and external data objects.

• You can use them to integrate data from external systems like databases, ERP systems, or web services.

• External objects allow you to view and intera...read more
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Q1. Questions on Apex and LWC
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Trigger question on parent child relationship

Batch class and trigger

Q1. Trigger, batch, lwc, soql query
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APi Based questions were asked

Q1. OOps related questions were asked
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Q1. Why has Salesforce introduced LWCs over Aura components?
Ans. 
Salesforce introduced LWCs for better performance, reusability, and modern web standards.
• LWCs offer better performance due to their lightweight nature and optimized rendering.

• LWCs promote reusability through modular design and encapsulation of functionality.

• LWCs align with modern web standards like ES6, Shadow DOM, and Web Components, making them more future-proof.

• Aura components are based on Aura framework, which has ...read more
Answered by AI
Add your answer
Q2. What are the differences in events in LWCs compared to Aura components?
Ans. 
Events in LWCs differ from Aura components in terms of syntax, propagation, and handling.
• In LWCs, events are dispatched using the standard DOM event model, while in Aura components, events are handled using the Aura event system.

• LWC events use standard JavaScript event handling methods like addEventListener and dispatchEvent, while Aura events use $A.get('e.namespace:eventName').fire().

• LWC events do not bubble up the D...read more
Answered by AI
Add your answer
Q3. Why are application events avoided?
Ans. 
Application events are avoided in Salesforce development due to their potential impact on performance and complexity.
• Application events can lead to tight coupling between components, making the code harder to maintain and debug.

• They can also result in excessive event firing, causing performance issues.

• Using component events or other communication patterns like pub-sub can be more efficient and manageable.

• Avoiding appli...read more
Answered by AI
Add your answer

Find the count of contacts associated to an account which have unique email Ids

Q1. What are the integration frameworks that you have worked with?
Ans. 
I have worked with integration frameworks such as MuleSoft, Apache Camel, and Dell Boomi.
• MuleSoft

• Apache Camel

• Dell Boomi
Answered by AI
Add your answer
Q2. What are external objects and how can you use them with a scenario?
Ans. 
External objects are virtual objects that allow you to access data stored outside Salesforce.
• External objects represent data from an external system in Salesforce without copying the data into Salesforce.

• They are defined using external data sources and external data objects.

• You can use them to integrate data from external systems like databases, ERP systems, or web services.

• External objects allow you to view and intera...read more
Answered by AI
Add your answer

Q1. Questions on Apex and LWC
Add your answer

Trigger question on parent child relationship

Batch class and trigger