C2fo Senior Data Analyst Interview Questions and Answers

30 minutes Aptitude test

1 Hour 30 minutes on SQL screening test

Q1. Questions based on MS Excel only and provide 1 assignment for data analysis.
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Q1. Again easy questions on MS Excel like; Vlookup, pivot, summarize, sumif, etc
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Q1. Tell me about yourself.
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Q1. Tell me about yourself
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Q2. Can you relocate to Gurgaon
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Q1. What is Vector? How it is different from arrays?
Ans. 
Vector is a dynamic array that can resize itself. It differs from arrays in its ability to change size during runtime.
• Vectors are implemented as dynamic arrays, whereas arrays are static.

• Vectors can resize themselves during runtime, whereas arrays have a fixed size.

• Vectors can be used to store objects of any type, whereas arrays can only store objects of a specific type.

• Vectors have built-in functions for easy manipula
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Q2. What is an abstract class?
Ans. 
An abstract class is a class that cannot be instantiated and is used as a base class for other classes.
• An abstract class can have abstract and non-abstract methods.

• Abstract methods are declared but not implemented in the abstract class.

• A non-abstract class that inherits from an abstract class must implement all abstract methods.

• An abstract class can have constructors and fields like a regular class.

• An abstract class ca...read more
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Q1. How event loop works?
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Q1. Tell me something about yourself
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Q2. Situation based qiestions
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Q3. What do you know about this company
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Q1. Regarding the experience and project work
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DSA medium level questions regarding stack, queue , arrays

Q1. DSA Medium and Low Level
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