Accenture Senior Application Developer Interview Questions and Answers

Q1. Bascis of Angular - Routing, version upgrade, DI ,AOT JIT , FORMS , Services , Observable, Promise , lifecyclle
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Q1. Swap the value of two variables without using the third variable
Ans. 
To swap the value of two variables without using a third variable, use arithmetic operations.
• Use addition and subtraction to swap values

• Example: a = 5, b = 10. a = a + b (a = 15), b = a - b (b = 5), a = a - b (a = 10)
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Q2. Basic javascript - Promises, Callbacks, difference in event handling in javascript & react.js
Ans. Synthetic events are present in React, syntax differences
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Q3. What is Context API
Ans. 
Context API is a feature in React that allows sharing data between components without having to pass props through every level of the component tree.
• Context API provides a way to pass data through the component tree without having to pass props down manually at every level.

• It is particularly useful for passing down global data like themes, user authentication, or language preferences.

• Context API consists of three main ...read more
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Q4. How do you orient some components in react with 40 or more pages? whats your approach?
Ans. 
Use a routing library like React Router to manage navigation and organize components into separate pages.
• Utilize React Router to set up routes for each page and handle navigation

• Organize components into separate folders based on their functionality or page they belong to

• Consider lazy loading components to improve performance, especially with a large number of pages
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Q5. How would you optimize an application?
Ans. 
Optimizing an application involves identifying and resolving performance bottlenecks to improve efficiency and user experience.
• Identify and address slow database queries or inefficient code

• Implement caching mechanisms to reduce load times

• Optimize images and assets to reduce file sizes

• Utilize asynchronous processing to improve responsiveness

• Profile and analyze code to identify areas for improvement
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Q1. Kind of SUPPORT levels to implementation
Ans. 
Support levels in implementation ensure smooth transitions and effective problem resolution during software deployment.
• Pre-Implementation Support: Involves training and documentation to prepare users for the new system, such as user manuals and training sessions.

• Go-Live Support: Provides immediate assistance during the launch phase, including on-site support teams to address any issues that arise.

• Post-Implementation Su...read more
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Q2. Developers support to routine
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I was asked about ReactJS and Node JS questions and 3 coding questions