Zazz IT Solutions Interview Questions, Process, and Tips

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Q1. They just asked me general questions and few more questions about my experience as a project manager
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Q1. Write a function to find the first non-repeating character in a string ?
Ans. 
Function to find the first non-repeating character in a string
• Create a hashmap to store character frequencies

• Iterate through the string to populate the hashmap

• Iterate through the string again to find the first non-repeating character
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Q2. Explain the difference between a stack and a queue . Provide an example of when you would use each?
Ans. 
A stack is a data structure that follows the Last In First Out (LIFO) principle, while a queue follows the First In First Out (FIFO) principle.
• Stack: Last In First Out (LIFO), used for function calls, undo operations.

• Queue: First In First Out (FIFO), used for printing tasks, message queues.
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Q1. How do you approach designing scalable and maintainable software?
Ans. 
I approach designing scalable and maintainable software by focusing on modular design, clean code practices, and regular refactoring.
• Break down the software into smaller, reusable components to promote scalability.

• Follow clean code practices such as SOLID principles to ensure maintainability.

• Regularly refactor code to eliminate technical debt and improve scalability.

• Use design patterns like MVC or microservices to faci...read more
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Q2. How do you ensure code quality and adherence to best practices?
Ans. 
Code reviews, automated testing, continuous integration, coding standards, and documentation.
• Conduct regular code reviews to catch errors and ensure adherence to best practices.

• Implement automated testing to verify code functionality and catch bugs early.

• Utilize continuous integration to regularly merge code changes and run automated tests.

• Enforce coding standards to maintain consistency and readability.

• Document code t
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Q1. Which design tools do you prefer and why?
Ans. 
I prefer using Adobe Creative Suite for design tools because of its versatility and industry-standard status.
• Adobe Photoshop for image editing and manipulation

• Adobe Illustrator for vector graphics and illustrations

• Adobe XD for prototyping and wireframing

• Adobe InDesign for layout design and publishing

• Adobe Creative Cloud for seamless integration and updates
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Q2. How do you optimize web designs for performance and load speed?
Ans. 
Optimizing web designs for performance and load speed involves minimizing file sizes, optimizing images, using CSS and JavaScript efficiently, and utilizing caching techniques.
• Minimize file sizes by compressing images and code

• Optimize images by using the correct file format and size

• Use CSS and JavaScript efficiently by minimizing code and utilizing frameworks

• Utilize caching techniques such as browser caching and server
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