20+ Interview Questions and Answers

Payments refer to the transfer of money from one party to another for goods or services rendered.

• Payments can be made through various channels such as credit/debit cards, online banking, mobile wallets, etc.

• The architecture of payments involves multiple layers such as payment gateway, acquiring bank, issuing bank, and card networks.

• Payment architecture also includes security measures such as encryption, tokenization, and fraud detection.

• Examples of payment systems include Pay...read more

Cut off is used to define the end of a transaction.

• Cut off is a point in time after which any transaction will be considered for the next day's processing.

• It is used to ensure that all transactions are processed in a timely manner.

• For example, a bank may have a cut off time of 5 pm for processing transactions for the day.

• Any transaction made after 5 pm will be processed on the next business day.

I used OOPs concepts in a project to create a class hierarchy for different types of users.

• I created a base class 'User' with common attributes like name, email, and role.

• I then created subclasses like 'AdminUser' and 'RegularUser' with specific attributes and methods.

• I utilized inheritance to avoid code duplication and polymorphism for flexibility in method implementation.

Use replication and switch over to new database when ready

• Set up replication between old and new databases

• Monitor replication status to ensure data consistency

• Switch over to new database when ready

• Redirect traffic to new database

• Verify data integrity on new database

NEFT and RTGS messages are of two types: Customer Transfer and Interbank Transfer.

• NEFT messages can be of two types: Customer Transfer and Interbank Transfer.

• RTGS messages can also be of two types: Customer Transfer and Interbank Transfer.

• Customer Transfer messages are used for transferring funds between accounts of different banks for a customer.

• Interbank Transfer messages are used for transferring funds between accounts of different banks for an interbank transaction.

Finding a subset of k elements from an array and generating permutations of a string.

• Use a combination algorithm to find all possible subsets of k elements from the array.

• Use a permutation algorithm to generate all possible permutations of the selected string.

• Combine the two algorithms to generate all possible permutations of k elements from the array.

• Ensure that the array contains only strings before generating permutations.

There are multiple structures in SAP HCM for different purposes.

• There are structures for personnel administration, organizational management, time management, payroll, and benefits

• Examples include P0000 for personnel administration, P0105 for organizational management, and P2006 for benefits

• Structures are used to store and organize data in SAP HCM

Correspondent Party refers to a bank or financial institution that provides services to another bank or financial institution.

• Correspondent parties facilitate international transactions between banks

• They provide services such as wire transfers, foreign currency exchange, and clearinghouse services

• For example, Bank A in the US may use Bank B in Japan as a correspondent party to facilitate a transaction with Bank C in Japan

Application insights can be implemented by adding the Application Insights SDK to the application code.

• Add the Application Insights SDK to the application code

• Configure the instrumentation key for the application

• Use the Application Insights portal to view telemetry data

• Set up alerts and notifications for important events

• Use Application Insights API to retrieve data programmatically

To find the count of alphabets in a sentence, we can iterate through each character and count the alphabets.

• Iterate through each character in the sentence

• Check if the character is an alphabet using regex or ASCII values

• If the character is an alphabet, increment the count

• Return the count

Data structures are essential for efficient programming. OOP concepts can be practically implemented using data structures.

• Data structures like arrays, linked lists, trees, and graphs can be used to implement OOP concepts like inheritance, polymorphism, and encapsulation.

• For example, a linked list can be used to implement inheritance by creating a new class that inherits properties from a parent class.

• Similarly, a tree can be used to implement polymorphism by allowing differe...read more

HTML is a markup language used for creating the structure of web pages, while CSS is a styling language used for designing the appearance of web pages.

• HTML stands for HyperText Markup Language and is used to create the structure of web pages.

• CSS stands for Cascading Style Sheets and is used to style the appearance of web pages.

• HTML uses tags to define elements like headings, paragraphs, images, and links.

• CSS is used to control the layout, colors, fonts, and other visual aspec...read more

Data analyst process involves collecting, cleaning, analyzing and interpreting data to make informed business decisions.

• Collecting data from various sources

• Cleaning and organizing data for analysis

• Analyzing data using statistical methods and tools

• Interpreting data to draw insights and make recommendations

• Presenting findings to stakeholders

• Iterating and refining analysis based on feedback

• Using data to inform business decisions and strategies

QA ensures quality of software. Boundary value analysis helps identify defects at boundaries of input domain.

• QA is important to ensure software meets requirements and is free of defects

• Boundary value analysis is a technique to identify defects at input boundaries

• It helps ensure that the software can handle extreme values and edge cases

• For example, testing a login form with minimum and maximum password lengths

Use TypeScript to convert console.log("Hello World") to static typing

• Use TypeScript to declare the type of the variable being logged

• Example: const message: string = "Hello World"; console.log(message);

A metatag is a snippet of HTML code that describes the content of a web page to search engines.

• Metatags are placed in the head section of an HTML document.

• They provide information about the webpage such as title, description, keywords, author, etc.

• Search engines use metatags to understand the content of a webpage and display it in search results.

• Example:

To initialize bridge in React Native, you need to import the necessary modules and create a new instance of the bridge.

• Import the necessary modules from 'react-native' package

• Create a new instance of the bridge using 'new NativeEventEmitter()' method

• Set up listeners for events using 'addListener()' method

SQL queries can be used for pattern matching by using LIKE operator and wildcards.

• Use % to match any sequence of characters

• Use _ to match any single character

• Example: SELECT * FROM table_name WHERE column_name LIKE 'pattern%'

Basic coding questions for Associate Trainee interview

• Implement a function to reverse a string

• Write a program to find the largest element in an array

• Create a function to check if a number is prime or not

DORA process is a framework for measuring and improving software delivery performance.

• DORA stands for DevOps Research and Assessment

• It focuses on key metrics like deployment frequency, lead time for changes, and mean time to recover

• Helps organizations identify areas for improvement in their software delivery process

Middle ware in .NET refers to software that acts as a bridge between an operating system or database and applications, providing services such as communication, security, and data management.

• Middleware in .NET can be used to handle communication between different components of an application.

• It can provide services like authentication, authorization, and logging.

• Examples of middleware in .NET include ASP.NET Core middleware for handling HTTP requests and responses.