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eComStreet Interview Questions and Answers

Updated 9 Jan 2025

eComStreet Interview Experiences

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2 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is digital marketing
  • Ans. 

    Digital marketing is the use of online channels to promote products or services to a targeted audience.

    • Utilizes various online platforms such as social media, search engines, email, and websites

    • Involves strategies like SEO, SEM, content marketing, social media marketing, email marketing, and more

    • Targets specific demographics or interests to increase brand awareness, generate leads, and drive sales

    • Measurable results thr...

  • Answered by AI
  • Q2. Digital marketing tools

Interview Preparation Tips

Interview preparation tips for other job seekers - job seekers must check out this company

Skills evaluated in this interview

Digital Marketing Executive Interview Questions asked at other Companies

Q1. What is the difference between do follow and no follow links?
View answer (5)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jan 2024. There was 1 interview round.

Round 1 - HR 

(2 Questions)

  • Q1. Introduce yourself?
  • Q2. What Strategy do you follow to generate sales?
  • Ans. 

    I follow a strategic approach involving market research, relationship building, and targeted marketing to generate sales.

    • Conduct thorough market research to identify potential customers and their needs

    • Build strong relationships with clients through effective communication and follow-up

    • Implement targeted marketing campaigns to reach specific customer segments

    • Utilize data analytics to track sales performance and adjust s

  • Answered by AI

Business Development Executive Interview Questions asked at other Companies

Q1. scenario based: if I am a teacher in a government school and my child is getting +90% marks, then why should i buy byjus course
View answer (14)

Interview questions from similar companies

Interview Questionnaire 

19 Questions

  • Q1. How was your day?-Tell me about yourself
  • Ans. 

    My day was productive and fulfilling. As for myself, I am a driven and detail-oriented individual with a passion for problem-solving.

    • I tackled several challenging tasks at work and made significant progress on each of them.

    • I also took some time to exercise and clear my mind, which helped me stay focused throughout the day.

    • As for myself, I have a background in engineering and enjoy using my analytical skills to find cre...

  • Answered by AI
  • Q2. How to optimize the code that you had written in aptitude test - It was a discussion, he helped me in solving the problem
  • Ans. 

    Optimizing code involves identifying and removing bottlenecks to improve performance.

    • Identify the parts of the code that are taking the most time to execute

    • Use efficient algorithms and data structures

    • Minimize the number of function calls and loops

    • Avoid unnecessary calculations or operations

    • Use caching or memoization to avoid repeating calculations

    • Profile the code to measure performance improvements

  • Answered by AI
  • Q3. Now write an optimized version of that code
  • Ans. 

    Optimized version of given code

    • Use efficient data structures and algorithms

    • Avoid unnecessary loops and conditions

    • Minimize function calls and variable assignments

  • Answered by AI
  • Q4. How was your day?-Tell me about yourself?
  • Ans. 

    My day was productive and fulfilling. As for myself, I am a driven and detail-oriented individual with a passion for problem-solving.

    • I tackled several challenging tasks at work and made significant progress on each of them.

    • I also took some time to exercise and clear my mind, which helped me stay focused throughout the day.

    • As for myself, I have a background in engineering and enjoy applying my analytical skills to a var...

  • Answered by AI
  • Q5. Which language do you prefer to code in? "Have you read The C Programming Language book by Dennis Retchie?" Which technical book have you read recently?.-So you like C, have you ever thought of bringing up...
  • Ans. 

    Yes, I prefer coding in C and have read The C Programming Language book. I have also explored the concept of Inheritance in C.

    • I find C to be a powerful and efficient language for system programming.

    • Yes, I have read The C Programming Language book by Dennis Retchie and found it to be a great resource.

    • Recently, I have been exploring the concept of Inheritance in C through various online resources and tutorials.

    • While C do...

  • Answered by AI
  • Q6. What is the reason behind inventing the concept of inheritance? Write a program and explain
  • Ans. 

    Inheritance allows a class to inherit properties and methods from another class.

    • Inheritance promotes code reusability and saves time and effort in programming.

    • It allows for the creation of a hierarchy of classes with shared characteristics.

    • For example, a class Animal can be inherited by classes such as Dog, Cat, and Bird, which share common properties and methods.

    • Inheritance can be implemented using the 'extends' keywo

  • Answered by AI
  • Q7. What is Liskov substitution principle?
  • Ans. 

    Liskov substitution principle is a principle in object-oriented programming that states that objects of a superclass should be able to be replaced with objects of its subclasses without affecting the correctness of the program.

    • Subtypes must be substitutable for their base types

    • Derived classes must not change the behavior of the base class

    • Violating the principle can lead to unexpected behavior and errors

    • Example: A squar...

  • Answered by AI
  • Q8. Explain OOPs concepts with a program for each
  • Ans. 

    Explanation of OOPs concepts with programs

    • Encapsulation: Wrapping data and functions into a single unit. Example: Class in Java

    • Abstraction: Hiding implementation details and showing only necessary information. Example: Abstract class in C#

    • Inheritance: Acquiring properties and behavior of a parent class. Example: Child class extending parent class in Python

    • Polymorphism: Ability of an object to take many forms. Example:

  • Answered by AI
  • Q9. Write a code for dynamic polymorphism
  • Ans. 

    Dynamic polymorphism is achieved through virtual functions and inheritance in object-oriented programming.

    • Create a base class with virtual functions

    • Create derived classes that override the virtual functions

    • Use pointers or references of the base class to call the virtual functions

    • The appropriate derived class function will be called based on the object being pointed to or referred to

  • Answered by AI
  • Q10. What is the drawback of global variables?
  • Ans. 

    Global variables can lead to unexpected changes and make debugging difficult.

    • Global variables can be accessed and modified from any part of the code, making it difficult to track changes.

    • They can cause naming conflicts if multiple variables with the same name are used in different parts of the code.

    • Using global variables can make it harder to test and debug code, as it can be difficult to isolate the cause of errors.

    • Th...

  • Answered by AI
  • Q11. Why using 'goto' is a bad programming practice?
  • Ans. 

    Using 'goto' can make code hard to read, maintain and debug.

    • Goto statements can create spaghetti code that is difficult to follow.

    • It can make it harder to understand the flow of the program.

    • It can also make debugging more difficult.

    • There are usually better alternatives to using goto, such as using loops or functions.

    • Some programming languages, such as Java and Python, do not even have a goto statement.

    • Using goto can al...

  • Answered by AI
  • Q12. Which is your favourite subject? Why? Name a book for that subject
  • Ans. 

    My favorite subject is history because it helps me understand the present and learn from the past.

    • I enjoy learning about different cultures and how they have evolved over time

    • I find it fascinating to study the causes and effects of major historical events

    • One of my favorite books on history is 'Guns, Germs, and Steel' by Jared Diamond

  • Answered by AI
  • Q13. Bring modularity in the code that you had written in aptitude test
  • Q14. Told me to make changes as per his wishes in that code-What is DRY in software engineering?
  • Q15. Gave a puzzle (find the heaviest ball amongst 8 balls in an optimized way). Tell the logic and write code for it.-write Create, Update, Delete, Insert, Select, Join SQL queries for a given problem
  • Q16. Asked me one sentence questions about the technologies that I had mentioned in resume... What is..... HTML, CSS, JQuery, JSP?
  • Q17. What are implicit objects in JSP?
  • Ans. 

    Implicit objects are pre-defined objects in JSP that can be accessed without being explicitly declared.

    • Implicit objects are created by the JSP container during the translation phase.

    • They can be accessed using predefined names such as request, response, session, application, out, pageContext, config, and exception.

    • For example, the request object can be used to retrieve parameters from a form or URL.

    • The session object ca...

  • Answered by AI
  • Q18. Name a web server and an application server
  • Ans. 

    Apache is a popular web server and Tomcat is a widely used application server.

    • Apache is an open-source web server that supports multiple operating systems and is known for its stability and security.

    • Tomcat is a Java-based application server that is used to deploy Java web applications and supports servlets and JSPs.

    • Other popular web servers include Nginx and Microsoft IIS.

    • Other popular application servers include JBoss...

  • Answered by AI
  • Q19. How to deploy web application on apache tomcat?-What is Collections in Java?
  • Ans. 

    To deploy a web application on Apache Tomcat, the application needs to be packaged as a WAR file and then deployed to the Tomcat server.

    • Create a WAR file of the web application

    • Copy the WAR file to the Tomcat webapps directory

    • Start the Tomcat server

    • Access the web application using the URL http://localhost:8080/

    • Collections in Java are classes that implement collections of objects, such as lists, sets, and

  • Answered by AI

Interview Preparation Tips

College Name: IIT MADRAS

Skills evaluated in this interview

I applied via Referral

Interview Questionnaire 

13 Questions

  • Q1. I was asked to derive the time complexity of my code from the written test. It was to print the elements of a binary tree in spiral order
  • Q2. Program to swap two pointers
  • Ans. 

    A program to swap two pointers.

    • Declare two pointers of the same data type

    • Assign the first pointer to a temporary variable

    • Assign the second pointer to the first pointer

    • Assign the temporary variable to the second pointer

  • Answered by AI
  • Q3. Program to determine whether a given binary tree is binary search tree. I was asked to solve this in two different ways
  • Q4. Two DBMS queries involving aggregate functions
  • Q5. Program to implement Dijkstra’s algorithm
  • Ans. 

    Dijkstra's algorithm finds shortest path between nodes in a graph

    • Create a graph with nodes and edges

    • Initialize distances from source node to all other nodes as infinity

    • Set distance from source node to itself as 0

    • Create a set of unvisited nodes

    • While unvisited set is not empty, select node with minimum distance

    • For each neighbor of selected node, calculate distance from source node

    • If calculated distance is less than curre...

  • Answered by AI
  • Q6. Program to implement Floyd­Warshall’s agorithm
  • Ans. 

    Floyd-Warshall's algorithm is used to find the shortest path between all pairs of vertices in a weighted graph.

    • Create a 2D array to store the distances between all pairs of vertices.

    • Initialize the array with the weights of the edges in the graph.

    • Use nested loops to iterate over all pairs of vertices and update the distances if a shorter path is found through a third vertex.

    • The final array will contain the shortest dist

  • Answered by AI
  • Q7. Program to print the elements of a matrix in spiral order recursively
  • Ans. 

    Program to print matrix elements in spiral order recursively

    • Create a recursive function to print the elements in spiral order

    • Define the boundaries of the matrix and traverse the matrix in spiral order

    • Call the recursive function to print the elements in spiral order

    • Handle edge cases such as empty matrix or matrix with only one row/column

  • Answered by AI
  • Q8. Given an unsorted array of numbers, find two numbers which add up to the given sum in O(n)
  • Ans. 

    Find two numbers in an unsorted array that add up to a given sum in O(n)

    • Use a hash table to store the difference between the sum and each element in the array

    • Iterate through the array and check if the current element is in the hash table

    • If it is, return the current element and the corresponding difference

    • If not, add the current element to the hash table

  • Answered by AI
  • Q9. Explain indexing in DBMS
  • Ans. 

    Indexing is a technique used in DBMS to improve the performance of queries.

    • Indexing creates a separate data structure that allows faster retrieval of data.

    • It works by creating a pointer to the location of data in the table.

    • Indexes can be created on one or more columns of a table.

    • Types of indexing include B-tree, hash, and bitmap indexing.

    • Indexes can also be clustered or non-clustered.

    • Clustered indexes determine the phy...

  • Answered by AI
  • Q10. Explain B and B+ trees
  • Ans. 

    B and B+ trees are data structures used for efficient searching and sorting of large datasets.

    • B trees are balanced trees used for disk-based storage systems.

    • B+ trees are similar to B trees but have all data stored in the leaf nodes for faster searching.

    • B trees have a variable number of keys per node, while B+ trees have a fixed number.

    • B trees have a higher fanout than B+ trees, making them more efficient for smaller da...

  • Answered by AI
  • Q11. Given a binary tree, write a program to determine whether there exists a root to leaf path having the given sum
  • Q12. Program to find the lowest common ancestor of two nodes in binary search tree as well as binary tree. I was also asked to give the brute force approach for the same
  • Ans. 

    Program to find lowest common ancestor of two nodes in binary search tree and binary tree with brute force approach.

    • For binary search tree, traverse from root to both nodes and store the path. Then compare paths to find LCA.

    • For binary tree, traverse from root to both nodes and store the path. Then compare paths to find LCA.

    • Brute force approach involves checking each node's descendants to see if they contain both nodes.

    • ...

  • Answered by AI
  • Q13. Program to print all ancestors of a node in a binary tree
  • Ans. 

    Program to print all ancestors of a node in a binary tree

    • Create a recursive function to traverse the binary tree

    • Check if the current node is the target node

    • If yes, print all the nodes in the call stack

    • If not, recursively call the function for left and right subtrees

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

I applied via Recruitment Consultant and was interviewed before Jul 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. DS Algo Questions on Trees. Leadership Principles

Interview Preparation Tips

Interview preparation tips for other job seekers - Read up on DS Algo and white paper coding and Leadership Principles

I appeared for an interview before Sep 2020.

Round 1 - Coding Test 

Round duration - 60 minutes
Round difficulty - Easy

Round 2 - Face to Face 

Round duration - 50 minutes
Round difficulty - Easy

Round 3 - Face to Face 

Round duration - 60 minutes
Round difficulty - Easy

At the beginning of this round, the interviewer asked me about the data structures I knew. Linked lists, trees, graphs, arrays etc. was my answer. He asked me how well I knew Dynamic Programming. I said I wasn’t strong in that and he said that he would ask me a question on dynamic programming for sure.

Round 4 - Face to Face 

Round duration - 40 minutes
Round difficulty - Easy

 

The interviewer asked me if I was comfortable with the interview process so far and how the previous interviews were. I said it was good and he gave me the first problem to solve.

Round 5 - Face to Face 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

The interviewer asked me some Com­puter Sci­ence‍ fundamentals in this round as well as some behavioural questions.

  • Q1. Implement a Trie data structure and write functions to insert and search for a few words in it.
  • Ans. 

    Implement a Trie data structure with insert and search functions.

    • Create a TrieNode class with children and isEndOfWord attributes.

    • Implement insert function to add words by iterating through characters.

    • Implement search function to check if a word exists by traversing the Trie.

    • Example: Insert 'apple', 'banana', 'orange' and search for 'apple' and 'grape'.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in HyderabadEligibility criteria 7 CGPA Amazon interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, Operating System, Database Management System, Object-Oriented Programming SystemTime required to prepare for the interview - 8 monthsInterview preparation tips for other job seekers

Do lot of hard work and practice of  Data Structures and Algorithms based questions. I personally recommend you Coding Ninjas and Geeks For Geeks for interview preparation.

Application resume tips for other job seekers

Make your resume short and try to make it of one page only and do mention all your skills which you are confident of in your resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Naukri.com

Interview Questionnaire 

2 Questions

  • Q1. Why Amazon?
  • Q2. What do you expect from Amazon?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be open to anything, and keep your expectations low as your expectations might kill you. Just relax and take everything in a healthy way

I appeared for an interview in Aug 2017.

Interview Questionnaire 

7 Questions

  • Q1. Implement Merge Sort.
  • Ans. 

    Merge Sort is a divide and conquer algorithm that sorts an array by dividing it into two halves, sorting them separately, and then merging the sorted halves.

    • Divide the array into two halves

    • Recursively sort the two halves

    • Merge the sorted halves

  • Answered by AI
  • Q2. Given a BST containing distinct integers, and a number ‘X’, find all pairs of integers in the BST whose sum is equal to ‘X’.
  • Ans. 

    Find pairs of integers in a BST whose sum is equal to a given number.

    • Traverse the BST and store the values in a hash set.

    • For each node, check if (X - node.value) exists in the hash set.

    • If yes, add the pair (node.value, X - node.value) to the result.

    • Continue traversal until all nodes are processed.

  • Answered by AI
  • Q3. Given a set of time intervals in any order, merge all overlapping intervals into one and output the result which should have only mutually exclusive intervals.
  • Ans. 

    Merge overlapping time intervals into mutually exclusive intervals.

    • Sort the intervals based on their start time.

    • Iterate through the intervals and merge overlapping intervals.

    • Output the mutually exclusive intervals.

    • Example: [(1,3), (2,6), (8,10), (15,18)] -> [(1,6), (8,10), (15,18)]

  • Answered by AI
  • Q4. What are the different types of hashing? Suggest an alternative and a better way for Linear Chaining.
  • Ans. 

    Different types of hashing and alternative for Linear Chaining

    • Different types of hashing include division, multiplication, and universal hashing

    • Alternative for Linear Chaining is Open Addressing

    • Open Addressing includes Linear Probing, Quadratic Probing, and Double Hashing

  • Answered by AI
  • Q5. Implement AVL Tree.
  • Ans. 

    An AVL tree is a self-balancing binary search tree where the heights of the left and right subtrees differ by at most one.

    • AVL tree is a binary search tree with additional balance factor for each node.

    • The balance factor is the difference between the heights of the left and right subtrees.

    • Insertion and deletion operations in AVL tree maintain the balance factor to ensure the tree remains balanced.

    • Rotations are performed ...

  • Answered by AI
  • Q6. Minimum number of squares whose sum equals to given number n.
  • Ans. 

    Find the minimum number of squares whose sum equals to a given number n.

    • Use dynamic programming to solve the problem efficiently.

    • Start with finding the square root of n and check if it is a perfect square.

    • If not, then try to find the minimum number of squares required for the remaining number.

    • Repeat the process until the remaining number becomes 0.

    • Return the minimum number of squares required for the given number n.

  • Answered by AI
  • Q7. Insertion sort for a singly linked list.
  • Ans. 

    Insertion sort for a singly linked list.

    • Traverse the list and compare each node with the previous nodes

    • If the current node is smaller, swap it with the previous node

    • Repeat until the end of the list is reached

    • Time complexity is O(n^2)

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: There were 2 coding questions (no penalty for wrong submission) and 20 Multiple Choice Questions(with negative marking). We were given 90 minutes to solve them. MCQs were based on Data Structures, OS, CN, C outputs, OOP etc.
Tips: Experience in Competitive Programming might help in solving coding questions. No constraints were mentioned and detailed Instructions related to problem were stated vaguely. So code carefully.
Duration: 1 hour 30 minutes
Total Questions: 22

Round: Technical Interview
Experience: The interviewer asked me to introduce myself and a brief introduction of the projects that I have done. She first asked me questions related to my project. After that she moved on to the data structures part.
Tips: Take your time to approach the problems and if the question is not clear ask the interviewer to explain it again.

Round: Technical Interview
Experience: The interviewer asked me about how my previous round went. After that, he asked me to introduce myself and a brief introduction of the projects that I have done. He first asked me a few questions related to my project. Then he moved on to the data structures part. In this round the interviewer gave me strict time limit for coding the solution on paper for each problem and as soon as I was done coding he gave me 2-3 minutes every time to find errors and debug my code.
Tips: Do not panic even if the interviewer sets time limit while solving problems. If the question is not clear ask the interviewer to explain it again.

College Name: The LNM Institute Of Information Technology, Jaipur

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in May 2019. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. They asked about How have you developed Business in your Ex Company

Interview Preparation Tips

Interview preparation tips for other job seekers - I explained that we rigorously used to do telling calling as well as Birthday-Anniversary wish and offer calling and thus we used to develop our Business. I was First Got Hired through Consultancy via Naukari and after seeing my performance, Amazon-Prione consumed me to the main business on pay roll.

I applied via Company Website and was interviewed in May 2019. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. SQL, Business cases

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough with examples for each of the 14 principles

eComStreet Interview FAQs

How many rounds are there in eComStreet interview?
eComStreet interview process usually has 1 rounds. The most common rounds in the eComStreet interview process are Technical and HR.
How to prepare for eComStreet interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at eComStreet. The most common topics and skills that interviewers at eComStreet expect are Application Development, Social Media Marketing, Software Design, Web Development and Agile Methodology.
What are the top questions asked in eComStreet interview?

Some of the top questions asked at the eComStreet interview -

  1. What Strategy do you follow to generate sal...read more
  2. what is digital market...read more
  3. digital marketing to...read more

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eComStreet Interview Process

based on 3 interviews

Interview experience

5
  
Excellent
View more

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eComStreet Reviews and Ratings

based on 15 reviews

5.0/5

Rating in categories

5.0

Skill development

4.8

Work-life balance

4.8

Salary

4.9

Job security

4.9

Company culture

4.8

Promotions

5.0

Work satisfaction

Explore 15 Reviews and Ratings
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