Perfect Digital Media Resources Data Analyst Interview Questions and Answers

Q1. Questions on Power BI and SQL
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Q1. Overall package discussion
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Q1. Basic .net concepts like oops concept, mvc architecture, mvc filters, we api basics.
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Q1. Need to share the understandings based on the technology concept
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Q1. How to avoid MPS Limited?
Ans. 
To avoid MPS Limited, focus on building a strong skill set and network in the data science field.
• Develop expertise in data analysis, machine learning, and programming languages like Python and R.

• Stay updated on the latest trends and technologies in data science.

• Build a strong professional network through attending conferences, workshops, and networking events.

• Consider working for companies or organizations that are not...read more
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Aptitude and coding questions both were included

Q1. Patterns ans series questions were asked
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Q2. Data types in Javascript
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Javascript has various data types including string, number, boolean, object, array, null, and undefined.
• Data types in Javascript include string, number, boolean, object, array, null, and undefined.

• Strings are sequences of characters enclosed in quotes.

• Numbers can be integers or floating-point numbers.

• Booleans represent true or false values.

• Objects are collections of key-value pairs.

• Arrays are ordered collections of val...read more
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Q3. Difference between let and var
Ans. 
let is block scoped while var is function scoped in JavaScript.
• let was introduced in ES6 while var has been around since the beginning of JavaScript.

• Variables declared with let are only accessible within the block they are declared in.

• Variables declared with var are accessible throughout the function they are declared in.

• Using let can help prevent variable hoisting issues.

• let is preferred over var for variable declarat
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Q1. Salary discussion
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Q1. Basic oops concepts with small programs like how to implement interface like that.
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Q1. Salary discussion and basic details are discussed
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Some information about the financial data needs to search

Q1. Personal interview, basic introduction
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Q2. Questions about types of research
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Q3. Qualitative, quantitative
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Q1. Excel questions, table sort, filter
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Q1. What is closure
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A closure is a function that has access to its own scope, the scope in which it was defined, and the global scope.
• A closure is created when a function is defined inside another function.

• The inner function has access to the variables and parameters of the outer function, even after the outer function has finished executing.

• Closures are useful for creating private variables and functions in JavaScript.

• They can also be us...read more
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Q2. What is Encapsulation
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Encapsulation is the process of hiding internal details and providing a public interface for accessing and manipulating data.
• Encapsulation bundles data and methods together into a single unit.

• It helps in achieving data abstraction and data hiding.

• By encapsulating data, we can control access to it and prevent unauthorized modifications.

• Encapsulation promotes code reusability and maintainability.

• Example: A class in objec...read more
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Q3. What is Inheritance
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Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows for code reuse and promotes the concept of hierarchy.

• The class that is being inherited from is called the superclass or base class.

• The class that inherits from the superclass is called the subclass or derived class.

• The subclass can access the public and protected members of the s...read more
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Q4. What is Abstraction
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Abstraction is the process of simplifying complex systems by focusing on essential details.
• Abstraction involves hiding unnecessary details and exposing only relevant information.

• It allows developers to create models or representations that capture the essential aspects of a system.

• Abstraction helps in managing complexity, improving code reusability, and enhancing maintainability.

• For example, in object-oriented programm...read more
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Q5. What is Polymorphism
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Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.
• Polymorphism is a fundamental concept in object-oriented programming.

• It enables code reusability and flexibility.

• Polymorphism can be achieved through method overriding and method overloading.

• Example: A parent class Animal can have multiple child classes like Dog, Cat, and Bird. They can ...read more
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