Merative Salesforce Developer Interview Questions and Answers

It was easy and basic

Coding questions are bit complicated

Q1. Salesforce platform questions
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Q2. Basic hr questions and project based question
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Q1. Trigger to display all contacts on an account
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Q2. Diff bw 15 to 18 digits id
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Basic Apex coding questions

Q1. Technical Scenerio in LWC
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Q2. Basic sceneries in Apex sharing
Ans. 
Apex sharing allows developers to control access to records based on criteria.
• Apex sharing rules can be used to extend sharing access beyond the organization-wide defaults.

• Apex managed sharing allows developers to programmatically share records with specific users or groups.

• Sharing reasons can be used to define the reason for sharing a record in Apex.

• Apex sharing can be enforced using the 'with sharing' keyword in Apex
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Q1. Life Cycle hook in LWC
Ans. 
Life Cycle hooks in LWC are methods that allow you to interact with the component at specific stages of its lifecycle.
• There are four main life cycle hooks in LWC: connectedCallback, disconnectedCallback, renderedCallback, and errorCallback.

• connectedCallback is called when a component is inserted into the DOM.

• disconnectedCallback is called when a component is removed from the DOM.

• renderedCallback is called after the com...read more
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Q2. In how many ways we can Communicate between component
Ans. 
There are multiple ways to communicate between components in Salesforce, including using events, public properties, and Apex methods.
• Using events to communicate between components

• Passing data through public properties

• Invoking Apex methods to share data
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Q3. Outbound integration
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Q4. After having Read, Write permission on the object what will be the reason that user can't see all record.
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Q1. Write a LWC to display contacts associated to an account.
Ans. 
LWC to display contacts associated to an account
• Create an Apex class to fetch contacts associated with the account

• Use Lightning Data Service to retrieve account details

• Display contacts in a Lightning web component using HTML and CSS
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Q2. Write a trigger to update field on child record from parent record.
Ans. 
Use trigger to update child record field from parent record
• Create a trigger on the parent object

• Query for the child records related to the parent record

• Update the field on the child records with the desired value
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Q1. Write a trigger to update a field on child record a default value if the child record is the only child of parent
Ans. 
Write a trigger to update a field on child record with default value if it is the only child of parent
• Create a trigger on the child object

• Query for the parent record and check if it has only one child record

• If the parent has only one child, update the field on the child record with the default value
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Q1. Salary Discussion
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Q1. Resume shortlist
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Q1. Mostly Questions come from real-time scenarios only, interviewer taken 1 hour of my time for interview
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Q2. How to change create date while uploading the record through data loader?
Ans. 
You can change the create date while uploading records through Data Loader by enabling the 'Allow Insert' option.
• Enable 'Allow Insert' option in Data Loader settings

• Map the 'Created Date' field in the mapping file to the desired date/time value

• Ensure the user has the necessary permissions to change the create date
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Q3. How wire method works, while importing data want to add record inside wire method in Jsfile how?
Ans. 
Wire method in Salesforce is used to fetch data from Apex controller to Lightning Web Component. Adding records inside wire method in JS file involves using imperative Apex to create records.
• Use @wire decorator in Lightning Web Component JS file to call an Apex method

• Inside the wire method, use imperative Apex to create records by calling the createRecord method from the Lightning Data Service

• Pass the record data as pa
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Q4. Write a trigger on account if account already having 1 contact then user can't able to create another
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Q5. How security works in apex, let's say user don't have access on Phone field and SELECT id, Name, Phone from Account WITH_SECURITY_ENFORCED how this query works?
Ans. 
In Apex, security is enforced by default. If a user doesn't have access to a field, they won't be able to query it.
• In Apex, security is enforced by default, meaning that users can only access data they have permission to see.

• If a user doesn't have access to the Phone field in the Account object, they won't be able to query it even with WITH_SECURITY_ENFORCED.

• The SELECT id, Name, Phone from Account WITH_SECURITY_ENFORCE...read more
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Q1. Lookup and masterdetail
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Q2. Owd and profile level permission
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Q3. Write a trigger
Ans. 
A trigger is a piece of code that is executed before or after a record is inserted, updated, or deleted in Salesforce.
• Triggers are written in Apex and are used to perform custom actions on records.

• Triggers can be executed before or after a record is inserted, updated, or deleted.

• Triggers can be used to enforce validation rules, update related records, or perform other custom logic.
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Q4. LWC lifecycle hooks
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Q5. LWC decorators and uses
Ans. 
LWC decorators are used to add metadata to class fields or methods. '@api' is used to expose a public property or method.
• LWC decorators are used to enhance the functionality of Lightning web components.

• '@api' decorator is used to expose a public property or method that can be accessed by parent components.

• Other decorators like '@track', '@wire', '@api get', '@api set' are also commonly used in LWC development.
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Q1. Apex trigger security model etc
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Q1. Managerial round
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Q1. Salary negotiation
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