Perfect Digital Media Resources Data Analyst Interview Questions and Answers

Q1. Questions on Power BI and SQL
Add your answer

Q1. Overall package discussion
Add your answer

Aptitude and coding questions both were included

Q1. Patterns ans series questions were asked
Add your answer
Q2. Data types in Javascript
Ans. 
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
Answered by AI
Add your answer
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
Answered by AI
Add your answer

Q1. Salary discussion
Add your answer

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
Answered by AI
Add your answer

Q1. Basic .net concepts like oops concept, mvc architecture, mvc filters, we api basics.
Add your answer

Q1. Need to share the understandings based on the technology concept
Add your answer

Q1. Basic oops concepts with small programs like how to implement interface like that.
Add your answer

Q1. Salary discussion and basic details are discussed
Add your answer

Q1. What is closure
Ans. 
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
Answered by AI
Add your answer
Q2. What is Encapsulation
Ans. 
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
Answered by AI
Add your answer
Q3. What is Inheritance
Ans. 
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
Answered by AI
Add your answer
Q4. What is Abstraction
Ans. 
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
Answered by AI
Add your answer
Q5. What is Polymorphism
Ans. 
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
Answered by AI
Add your answer

Q1. C#,Mvc core,SQL server,vue js,
Add your answer

Q1. Salary discussion
Add your answer