Media Net Associate/Senior Associate -(Nontechnical) Interview Questions and Answers

Round duration - 60 minutes
Round difficulty - Easy

Two coding questions were given in the first round to be solved in 60 minutes.

Q1. 
Rearrange Array Elements Problem Statement
Given an array A containing 'N' integers and an integer m, rearrange the elements of the array such that the differences between the array elements and m are sor...read more
Ans. 
Rearrange array elements based on their differences from a given integer.
• Calculate the differences between each element and the given integer.

• Sort the elements based on their differences while maintaining the original order for elements with the same difference.

• Implement a function to rearrange the array elements as per the given criteria.
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Q2. 
Print Nodes at Distance K from a Given Node
Given an arbitrary binary tree, a node of the tree, and an integer 'K', find all nodes that are at a distance K from the specified node, and return a list of th...read more
Ans. 
The task is to find all nodes in a binary tree that are at a distance K from a given node.
• Traverse the binary tree to find the given node

• From the given node, perform a depth-first search to find all nodes at distance K

• Use a list to store the values of the nodes at distance K

• Return the list of values in any order
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Round duration - 60 minutes
Round difficulty - Easy

This was a technical round with questions based on DSA, DBMS, Computer Networking and project based questions.

Q1. 
Triangle of Numbers Pattern
Ninja is tasked with printing a triangle pattern based on a given number 'N' for any test case.
Example:
Input:
N = 4
Output:
   1
  232
 34545
4567654
Explanation:
The pat...read more
Ans. 
Print a triangle pattern of numbers based on a given number 'N'.
• Iterate through each row and print the numbers accordingly

• Use spaces to center-align the numbers in each row

• Increment the numbers in each row as per the pattern
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Q2. What is the difference between a web server and an application server?
Ans. 
Web server serves static content over HTTP, while application server runs dynamic content and business logic.
• Web server handles HTTP requests and responses, serving static content like HTML, images, and CSS.

• Application server executes business logic, runs dynamic content, and interacts with databases.

• Web server examples include Apache, Nginx, while application server examples include Tomcat, JBoss.

• Web server focuses on...read more
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Q3. How does the internet work?
Ans. 
The internet is a global network of interconnected computers that communicate using standardized protocols.
• The internet is made up of a vast number of interconnected networks of computers.

• Data is transmitted over the internet using protocols such as TCP/IP.

• Websites are hosted on servers connected to the internet, and users access them using web browsers.

• Internet Service Providers (ISPs) provide access to the internet f...read more
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Q4. Write a SQL query to find the nth highest salary.
Ans. 
SQL query to find the nth highest salary
• Use the 'SELECT DISTINCT' statement to get unique salary values

• Order the salaries in descending order using 'ORDER BY' clause

• Use 'LIMIT' and 'OFFSET' to get the nth highest salary
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Round duration - 30 minutes
Round difficulty - Easy

Typical HR round with behavioral problems.

Round duration - 90 minutes
Round difficulty - Easy

The test was of moderate level, the coding question was easy if all the boundary questions were properly considered.

Q1. 
Largest Prime Factor Problem Statement
You are given a positive integer n. Your task is to identify the largest prime factor of this given positive integer.
If there is no prime factor for a given intege...read more
Ans. 
Identify the largest prime factor of a given positive integer.
• Iterate from 2 to sqrt(n) to find prime factors

• Check if each factor is prime and update largest prime factor

• If no prime factor found, output -1
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Q2. 
First Missing Positive Problem Statement
You are provided with an integer array ARR of length 'N'. Your objective is to determine the first missing positive integer using linear time and constant space. T...read more
Ans. 
Find the smallest positive integer missing from an array of integers.
• Iterate through the array and mark positive integers as visited using index as a reference.

• After marking, iterate again to find the first unmarked index which represents the missing positive integer.

• Handle edge cases like duplicates and negative numbers appropriately.

• Example: For input [3, 4, -1, 1], the output should be 2.
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Round duration - 60 minutes
Round difficulty - Easy

The interviewer was friendly and he was interested in the implementation first and then the code.
Tips: Be thorough with various implementations and why they are in practice. Try to know the logic behind each implementation.

Q1. 
Binary Array Sorting Problem Statement
You are provided with a binary array, i.e., an array containing only 0s and 1s. Your task is to sort this binary array and return it after sorting.
Input:
 The fir...read more
Ans. 
Yes, the binary array can be sorted in linear time and constant space using a single traversal.
• Use two pointers approach to swap 0s to the left and 1s to the right.

• Maintain two pointers, one for 0s and one for 1s, and iterate through the array once.

• Example: Input array [1, 0, 1, 0, 1] will be sorted to [0, 0, 1, 1, 1] in a single traversal.
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Q2. What is polymorphism in object-oriented programming?
Ans. 
Polymorphism in OOP allows objects of different classes to be treated as objects of a common superclass.
• Polymorphism allows for flexibility and reusability in code.

• It enables a single interface to be used for different data types.

• Examples include method overriding and method overloading.
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Q3. What is operator overloading?
Ans. 
Operator overloading is the ability to redefine the behavior of operators for user-defined data types.
• Allows operators to be used with custom data types

• Can define custom behavior for operators like +, -, *, etc.

• Helps make code more readable and intuitive

• Example: Overloading the + operator for a custom Vector class to add two vectors
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Q4. What is the difference between method overloading and method overriding?
Ans. 
Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is having a method in a subclass with the same name and parameters as a method in its superclass.
• Method overloading involves multiple methods with the same name but different parameters.

• Method overriding involves a subclass redefining a method from its superclass with the same name and paramete...read more
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Round duration - 45 minutes
Round difficulty - Easy

The interviewer was looking for a person interested in problem solving. He was looking forward for loud thinking.
Tips: If you don't know any answer, don't lose your cool. It is never necessary to answer all the questions in an interview. Be confident and think loud, so that if you are going the wrong way, the interviewer can assist you.

Round duration - 30 minutes
Round difficulty - Easy

This was the last round and just for formality. The interviewers were looking for a person who would fit in their working culture.
Tips: Be confident and always have a smile on your face. If you are selected for the HR interview, then there is a 90% chance that you would be selected.