Kotak Mahindra Bank Salesforce Developer Interview Questions and Answers

Q1. Design patterns that you have followed in your past projects.
Ans. 
I have followed the MVC, Singleton, and Factory design patterns in my past projects.
• MVC pattern for separating concerns and improving maintainability

• Singleton pattern for ensuring only one instance of a class is created

• Factory pattern for creating objects without exposing the instantiation logic
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Q2. How to secure the applications?
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Applications can be secured by implementing various security measures such as authentication, authorization, encryption, and regular updates.
• Implement strong authentication mechanisms such as multi-factor authentication

• Use authorization to restrict access to sensitive data and functionalities

• Encrypt sensitive data both in transit and at rest

• Regularly update the application and its dependencies to patch security vulnera...read more
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Q1. 1. Power BI, 2. SQL,
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Q2. 3. Azure and 4. Excel.
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Simple algorithm question about sorting

Q1. Algorith question about quick sort
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Q2. Nlonn run time of the sort
Ans. 
The time complexity of the quicksort algorithm is O(n log n).
• Quicksort has an average time complexity of O(n log n).

• The best case time complexity of quicksort is O(n log n) when the pivot element divides the array into two equal halves.

• The worst case time complexity of quicksort is O(n^2) when the pivot element is the smallest or largest element in the array.
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Joins, Jobs, stored procedures,cursors.

Q1. What is my package
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Behavioural and culture fit

Q1. Coding round java
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Q2. Spring boot and devops activities
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Q1. What is mixed dml error
Ans. 
Mixed DML error occurs when DML operations on setup and non-setup objects are mixed in a single transaction.
• Mixed DML operations involve a combination of DML statements on both setup and non-setup objects in a single transaction.

• This error typically occurs when trying to update a setup object (like User) and a non-setup object (like Account) in the same transaction.

• To resolve the error, separate the DML operations on s...read more
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Q2. Types of asynchrnous class
Ans. 
Types of asynchronous classes include future, batch, queueable, and scheduled classes.
• Future classes are used for executing code asynchronously in the background.

• Batch classes are used for processing large data sets in smaller chunks.

• Queueable classes are used for chaining asynchronous jobs together.

• Scheduled classes are used for running code at specific times.
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Q3. Profile permission set
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Q4. Custom metadat, custom setting
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Q5. Displayed a lwc component and asked how its code would be >?
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Q6. How to call child method in parent in lwc
Ans. 
To call a child method in a parent component in LWC, you can use the @api decorator in the child component and import the child component in the parent component.
• Use @api decorator in the child component to expose the method or property that you want to call from the parent component.

• Import the child component in the parent component and use the child component's reference to call the method or access the property.

• Pass...read more
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Q1. Experince on lwc
Ans. 
Experience with Lightning Web Components (LWC) in Salesforce development.
• Developed custom Lightning Web Components for Salesforce applications.

• Used LWC to create interactive and responsive user interfaces.

• Utilized LWC to fetch and display data from Salesforce database.

• Implemented event handling and communication between components using LWC.

• Followed best practices and design patterns while working with LWC.

• Integrated L...read more
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Q2. How to call lwc from aura
Ans. 
To call LWC from Aura, use the lightning/navigation service.
• Use lightning/navigation service to navigate to the LWC component

• Pass the component name and any parameters needed

• Handle any events or data passed back from the LWC component
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