WITS Innovation Lab Node JS Developer Interview Questions and Answers

25 MCQ questions online with time limit

Create webapp . Frontend, Backend , data encryption

Python based questions

Q1. Python based questions
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Q2. Java based questions
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Q1. Tell me about yourself
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They asked one coding question that is for star pattern question

Q1. Pattern question based on the coding
Ans. 
This question tests your ability to identify and generate patterns in coding.
• Understand the pattern: Analyze the given examples to identify the underlying rule.

• Use loops: Implement loops to generate sequences based on the identified pattern.

• Consider edge cases: Ensure your solution handles special cases, like empty arrays or single elements.

• Optimize for performance: Think about the time complexity of your solution, esp...read more
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Q1. Number series in aptitude
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Number series in aptitude involves identifying the pattern in a sequence of numbers and predicting the next number.
• Look for patterns such as arithmetic progression, geometric progression, or a combination of both.

• Check for alternate numbers, differences between consecutive numbers, or multiplication factors.

• Consider prime numbers, squares, cubes, or other mathematical operations applied to the series.

• Example: 2, 4, 6, ...read more
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Q2. Relation ships in berbal
Ans. 
Relationships in verbal communication are crucial for effective collaboration and understanding.
• Verbal communication involves both verbal and non-verbal cues

• Active listening is key to building strong relationships in verbal communication

• Clarity and conciseness in speech can enhance relationships

• Empathy and understanding of others' perspectives are important in verbal relationships
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Q1. Explain the four branches of oops
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The four branches of OOP are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allowing a class to inherit properties and behavior from another class.

• Polymorphism: The ability for objects of different classes to respond to the same method call.

• Abstraction: Hiding the complex implementation details and showing only ...read more
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Q2. Explain about the structures in c
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Structures in C are user-defined data types that allow grouping of variables of different data types under a single name.
• Structures are used to represent a record which consists of different data types.

• They are defined using the 'struct' keyword.

• Each variable in a structure is called a member.

• Structures can be nested within other structures.

• Example: struct employee { int emp_id; char emp_name[50]; float emp_salary; };

• E...read more
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Give a pattern and solved people enter into techinal round 1.I cleard this test and enter to tr1

Q1. They ask executye some patterns anf basic programs.i performed but don't select to tr2
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Aptitude test details in the snovasys are best aptitude test details in snovasys and in the snovasys i thought like i need to learn more in the aptitude atmy strating of career and all all all alllllllllllllllllllllllll abc and the best buddy program we have invested on the internet today at the speed limit of data and the policy are not good we need to improve all the data and the data is not good of all the data to be shared and with in the organisation all the data is must and should need to learn careful and all the data is need to know all the must and should detailed actions are taken on their data

Q1. Not good with my situation And
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Q2. What is your current salary What is your location
Ans. 
I am unable to provide my current salary as it is confidential.
• My current salary is confidential and I am unable to disclose it.

• I prefer to discuss salary expectations rather than disclosing my current salary.

• Salary is negotiable based on the position and responsibilities.

• I am more interested in discussing the opportunities and growth potential in this role.
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