Devkraft Technologies Quality Assurance Interview Questions and Answers

There will be 3 coding questions. They are of medium and hard level.

Q1. Sort array consisting 0's 1's and 2's without inbuilt functions
Ans. 
Sort an array of 0's, 1's, and 2's without using inbuilt functions.
• Use three pointers to keep track of the last index of 0's, 1's, and 2's

• Iterate through the array and swap elements based on their value

• Continue until all elements are sorted
Answered by AI
View 1 more answer

Q1. Os cn related questions
Add your answer

Q1. Java questions and general hr questions
Add your answer

There are three sections: -
1. Quants
2. English
3. Reasoning
All sections are accessible medium but you have maintained the speed and accuracy.
after that coding snippet are in java/python.

Code snippets are there in coding sections.

Duration is around 1 hour

Q1. 1. Basic programming concepts 2. OOP concepts and basic problem solving skills
Add your answer

Q1. Programming question
Add your answer

Q1. 1. Basic questions
Add your answer

Q1. Second largest number in an array
Add your answer
Q2. Pairs with given sum
Add your answer

Q1. OOPS based questions
Add your answer
Q2. Basic language based questions
Add your answer

Q1. What is single page application
Ans. 
Single page application is a web application that loads a single HTML page and dynamically updates the content as the user interacts with the app.
• SPA uses AJAX and HTML5 to create fluid and responsive user experience.

• It eliminates the need for page reloading during use, making it faster and more efficient.

• Examples include Gmail, Facebook, and Google Maps.
Answered by AI
Add your answer
Q2. What is state management
Ans. 
State management is the process of managing the state of an application, including data flow, user interface updates, and user interactions.
• State management involves storing and updating the state of an application to ensure data consistency.

• It helps in managing user interface updates based on changes in the application state.

• State management is crucial for handling user interactions and maintaining a seamless user exp...read more
Answered by AI
Add your answer

Q1. Make a div, so when you hover on it a timer should start.
Ans. 
Create a div that starts a timer when hovered over
• Create a div element in HTML

• Use CSS to style the div

• Add JavaScript event listeners for hover

• Start a timer using JavaScript when hover event is triggered
Answered by AI
Add your answer

Q1. Build an OTP component
Ans. 
Build a secure OTP component for authentication purposes.
• Generate random one-time passwords using a secure algorithm

• Implement time-based expiration for OTPs

• Provide a way for users to input and verify OTPs

• Store OTPs securely to prevent unauthorized access

• Consider using multi-factor authentication for added security
Answered by AI
Add your answer