iLink Digital Interview Questions and Answers

1 hour duration , logical reasoning and coding mcq were asked

Q1. Introduction and family background
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Q2. Why do yu want to join us?
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Q3. Where do you see yourself in next 2 years?
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Q4. Why are you interested in Data science and ML? Does your skills align with you interests?
Ans. 
I am interested in Data science and ML because of their ability to uncover insights from data and make predictions.
• I am fascinated by the power of data to drive decision-making and solve complex problems.

• I enjoy working with large datasets and finding patterns within them.

• I believe that the combination of statistics, programming, and domain knowledge in data science is a perfect fit for my skills.

• I have experience in p...read more
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It was quite easy and fast

Coding questions were also tgere in the same test as aptitude test

Q1. Tell me about yourself apart from what is mentioned in the resume
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Q2. Walk me through your projects
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Easy and little long

Q1. Tell me about yourself
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Q2. Ask someone basic differences
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Q1. Basic SQL queries Python Dictionary To code for factories or not Basic HTML questions
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It was based on a coding round where they asked about oops, c++

Q1. They asked about the basic SQL, python, and data science
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Q1. Explain about the Automation framework
Ans. 
An automation framework is a set of guidelines, best practices, and tools used for automated testing of software applications.
• Automation frameworks provide a structured way to develop and execute automated tests.

• They help in improving test efficiency, reusability, and maintainability.

• Common types of automation frameworks include data-driven, keyword-driven, and hybrid frameworks.

• Frameworks like Selenium WebDriver, Test...read more
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Q1. What's manage and unmage in C++
Ans. 
manage and unmanage are not standard terms in C++
• There are no standard terms or concepts called 'manage' and 'unmanage' in C++

• These terms might be specific to a particular framework or library

• Without more context, it is difficult to provide a specific answer
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Q2. Difference between C and C++
Ans. 
C is a procedural programming language, while C++ is an extension of C with object-oriented programming features.
• C is a procedural language, while C++ supports both procedural and object-oriented programming paradigms.

• C++ has additional features like classes, objects, inheritance, and polymorphism.

• C++ supports exception handling and templates, which are not available in C.

• C++ has a standard template library (STL) that ...read more
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Q3. Why OOP is needed what's encapsulation, abstraction, polymorphism different types of polymorphism
Ans. 
OOP is needed for modular and reusable code. Encapsulation hides implementation details. Abstraction simplifies complex systems. Polymorphism allows objects to take on multiple forms.
• OOP promotes code reusability and modularity

• Encapsulation hides implementation details and protects data

• Abstraction simplifies complex systems by focusing on essential features

• Polymorphism allows objects to be used in multiple ways

• Types of...read more
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Q4. What is pure virtual function write one example of pure virtual function
Ans. 
A pure virtual function is a function declared in a base class that has no implementation and must be overridden in derived classes.
• Pure virtual functions are used to create abstract classes, which cannot be instantiated.

• They provide a common interface for derived classes to implement their own functionality.

• An example of a pure virtual function is a 'draw' function in a base 'Shape' class, which must be implemented by
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Q5. What's vtable and vpointer explain by drawing
Ans. 
vtable is a virtual function table used in object-oriented programming to implement dynamic dispatch.
• vtable is a data structure that contains pointers to the virtual functions of a class.

• vpointer is a pointer that points to the vtable of an object.

• It allows objects of different derived classes to be treated as objects of the base class.

• When a virtual function is called, the vpointer is used to find the correct function
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Q6. What's difference in pass by reference and pass by pointer which one is better?
Ans. 
Pass by reference and pass by pointer are both ways to pass data to a function, but they differ in how they access and modify the data.
• Pass by reference uses a reference to the original variable, allowing direct access and modification.

• Pass by pointer uses a pointer to the memory address of the variable, requiring dereferencing to access and modify the data.

• Pass by reference is generally considered safer and more conve...read more
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Q7. How to make dll. Can you make simple dll file
Ans. 
A DLL (Dynamic Link Library) is a file containing code and data that can be used by multiple programs simultaneously.
• To create a DLL, you need to write the code in a programming language like C++ or C#.

• Compile the code into an object file and then link it with a DLL linker to create the DLL file.

• DLLs can contain functions, classes, variables, and resources that can be accessed by other programs.

• DLLs provide code reusab...read more
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Q8. What's thread synchronization semaphores in threading what's critical section in threading One threading problem with 3 threads and how will you synchronize them?
Ans. 
Thread synchronization is the coordination of multiple threads to ensure they access shared resources in a controlled manner.
• Thread synchronization prevents race conditions and data inconsistencies.

• Semaphores are synchronization primitives used to control access to resources.

• Critical sections are code segments that must be executed atomically.

• A common threading problem is the producer-consumer problem.

• Synchronization m...read more
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Q9. Two sum problem from Leetcode
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