National Payments Corporation of India Interview Questions, Process, and Tips

DevOps is a software development methodology that combines software development (Dev) with IT operations (Ops) to improve collaboration and efficiency. Agile is a project management methodology that focuses on iterative development and flexibility.

• DevOps focuses on collaboration between development and operations teams to automate and streamline the software delivery process.

• Agile emphasizes iterative development, cont...read more

Regression testing is the process of retesting a software application to ensure that new code changes have not adversely affected existing functionality.

• Regression testing is performed after code changes to verify that the existing features still work correctly.

• It helps in identifying any defects introduced by new code changes.

• Automated testing tools are often used for regression testing to save time and effort.

• Regress...read more

Test cases for signal testing

• Test the strength of the signal in different locations

• Test the signal quality during peak hours

• Test the signal stability during a phone call or data transfer

I have over five years of experience in web design, focusing on user experience and responsive design for various industries.

• Designed and developed over 30 websites for small businesses, enhancing their online presence.

• Worked with a team to create a responsive e-commerce platform that increased sales by 25%.

• Utilized tools like Adobe XD and Figma for prototyping and wireframing, ensuring user-friendly interfaces.

• Impleme...read more

Program to reverse a number by converting it to a string and then reversing the string.

• Convert the number to a string

• Reverse the string

• Convert the reversed string back to a number

Hash set is a data structure that stores unique elements using a hash function for efficient retrieval.

• Hash set does not allow duplicate elements.

• It uses a hash function to map elements to unique indexes in an array.

• Common operations include add, remove, and contains.

• Example: HashSet<String> set = new HashSet<>(); set.add("apple"); set.add("banana");

• Example: if(set.contains("apple")) { System.out.println("F

I have over 5 years of experience in web development, specializing in front-end technologies and responsive design.

• Developed responsive websites using HTML, CSS, and JavaScript, ensuring compatibility across various devices.

• Worked with frameworks like React and Angular to create dynamic user interfaces, enhancing user experience.

• Collaborated with back-end developers to integrate RESTful APIs, improving data handling an...read more

I have a diverse background in web development, combining design, coding, and user experience to create engaging websites.

• Bachelor's degree in Computer Science with a focus on web technologies.

• Experience with HTML, CSS, JavaScript, and frameworks like React and Angular.

• Worked on projects like e-commerce sites and personal blogs, enhancing user experience.

• Familiar with back-end technologies such as Node.js and databases...read more