IDFC FIRST Bank Interview Questions, Process, and Tips

Sigmoid function is a mathematical function that maps any real value to a value between 0 and 1.

• Sigmoid function is commonly used in machine learning for binary classification problems.

• It is defined as f(x) = 1 / (1 + e^(-x)), where e is the base of the natural logarithm.

• The output of the sigmoid function is always in the range (0, 1).

• It is used to convert a continuous input into a probability value.

• Example: f(0) = 0.5

A T-test in logistic regression is used to determine the significance of individual predictor variables.

• T-test in logistic regression is used to test the significance of individual coefficients of predictor variables.

• It helps in determining whether a particular predictor variable has a significant impact on the outcome variable.

• The null hypothesis in a T-test for logistic regression is that the coefficient of the predi...read more

To fit a model to an unexplored market, conduct thorough market research, gather relevant data, identify key variables, test different models, and continuously iterate and refine the model.

• Conduct thorough market research to understand the dynamics of the unexplored market

• Gather relevant data on customer behavior, market trends, competition, etc.

• Identify key variables that may impact the market and model outcomes

• Test d...read more

I am a dedicated and experienced Relationship Manager with a passion for building strong connections and helping clients achieve their financial goals.

• I have over 5 years of experience in the banking industry, specializing in relationship management.

• I excel at cultivating and maintaining relationships with clients, providing personalized financial solutions to meet their needs.

• I am skilled in analyzing financial data, ...read more

I am aware of various banking and financial products such as savings accounts, loans, credit cards, and investment options.

• Savings accounts

• Loans

• Credit cards

• Investment options

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

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.

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

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

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

AML KYC stands for Anti-Money Laundering and Know Your Customer. It is a set of regulations and procedures designed to prevent financial crimes.

• AML focuses on detecting and preventing money laundering activities.

• KYC involves verifying the identity of customers to prevent fraud and financial crimes.

• Financial institutions are required to comply with AML KYC regulations to ensure transparency and security.

• Examples of AML ...read more