Deloitte Backend Developer Interview Questions and Answers

Q1. Technology and programming questions
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Q1. Strengths and weaknesses, Professional details
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Q1. Lifestyle of software development
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Software development lifestyle involves continuous learning, problem-solving, collaboration, and adapting to new technologies.
• Continuous learning is essential to stay updated with new technologies and best practices.

• Problem-solving skills are crucial for debugging and finding efficient solutions to complex problems.

• Collaboration with team members helps in sharing knowledge, brainstorming ideas, and improving code quali...read more
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Q2. Real time example of class inheritance
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Class inheritance allows a subclass to inherit properties and methods from a superclass.
• Subclass can access all public and protected members of superclass.

• Subclass can override methods of superclass.

• Example: Animal class can be superclass, with Dog and Cat classes as subclasses inheriting properties and methods.
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Q3. Agile methodologies and waterfall methodology
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Aptitude and reasoning mandatory for every company

Q1. Oral technical questions
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Q2. Tell me about data base?
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A database is a collection of organized data that can be easily accessed, managed, and updated.
• A database can be relational or non-relational

• It stores data in tables or documents

• It allows for efficient querying and retrieval of data

• Examples include MySQL, MongoDB, and Oracle
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Q1. If needed they may ask for their requiremental que
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Q1. What is structure padding ?
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Structure padding is the process of adding empty bytes to a structure to align its data members on memory boundaries.
• Padding is added to ensure that each data member in a structure starts at a memory address that is a multiple of its size.

• Padding is necessary for performance optimization and to prevent memory access violations.

• For example, if a structure has a char followed by an int, padding may be added between them
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Q2. What is translation unit ?
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A translation unit is a source file along with all the headers and source files included in it.
• Translation unit is the smallest unit of compilation in C++.

• It consists of a source file and all the header files and source files included in it.

• Each translation unit is compiled separately before being linked together.

• Translation units help in organizing and modularizing code.

• Example: If a.cpp includes b.h and c.cpp, then t...read more
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Q1. Basic Coding questions
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Standard tcs aptitude tests conducted in college

2 code to be done with test cases

Q1. Explain project done for college final.
Ans. 
Developed a web-based project management system for tracking tasks and deadlines.
• Used PHP and MySQL for backend development

• Implemented user authentication and authorization

• Designed a responsive user interface using HTML, CSS, and JavaScript
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Q2. Python basics and coding with exception
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