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Head Digital Works Market Analyst Interview Questions and Answers
Head Digital Works Market Analyst Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. Introduce yourself
- Ans.
Experienced market analyst with a background in finance and data analysis.
Over 5 years of experience in market analysis
Strong background in finance and data analysis
Proficient in using market research tools such as Nielsen and Mintel
Skilled in creating detailed reports and presentations for stakeholders
- Q2. Why head Digital
- Ans.
Digital is the future of marketing and offers endless opportunities for growth and innovation.
Digital marketing allows for precise targeting and tracking of campaigns
Digital platforms provide a wealth of data for analysis and optimization
Digital marketing is cost-effective compared to traditional methods
Digital marketing allows for real-time engagement with customers
Digital marketing offers opportunities for creativity
Top trending discussions
Interview questions from similar companies
I was interviewed before Feb 2021.
(1 Question)
Round duration - 65 minutes
Round difficulty - Easy
There were 2 sections –
Aptitude and Logical Reasoning and MCQ based on Java question ,C++, coding for 20 min and 45 min respectively.
Section A- Not very difficult to clear this round although less time was a problem.
Section B- It contains 15 multiple choice question on c/c++,java and 4 simple coding questions
- Q1.
Cycle Detection in a Singly Linked List
Determine if a given singly linked list of integers forms a cycle or not.
A cycle in a linked list occurs when a node's
nextpoints back to a previous node in the ... - Ans.
Detect if a singly linked list forms a cycle by checking if a node's next pointer points back to a previous node.
Traverse the linked list using two pointers, one moving at double the speed of the other.
If the two pointers meet at any point, there is a cycle in the linked list.
Use Floyd's Cycle Detection Algorithm for O(N) time complexity and O(1) space complexity.
(3 Questions)
Round duration - 75 minutes
Round difficulty - Medium
It was an online coding test in which 3 coding question were given.
- Q1.
Smallest Window Problem Statement
Given two strings,
SandX, your task is to find the smallest substring inSthat contains all the characters present inX.Example:
Input:
S = "abdd", X = "bd"
Outpu...
- Ans.
Find the smallest substring in string S that contains all characters in string X.
Iterate through string S and keep track of characters in X found in a window
Use two pointers to maintain the window and slide it to find the smallest window
Return the smallest window containing all characters in X
- Q2.
Smallest Integer Not Representable as Subset Sum
Given a non-decreasing sorted array
ARRofNpositive numbers, determine the smallest positive integer that cannot be expressed as the sum of elements from... - Ans.
Find the smallest positive integer that cannot be expressed as the sum of elements from any proper subset of a non-decreasing sorted array of positive numbers.
Start with the smallest possible integer that cannot be represented, which is 1.
Iterate through the array and update the smallest integer that cannot be represented.
If the current element is greater than the smallest integer that cannot be represented, return tha...
- Q3.
Minimum Steps for a Knight to Reach Target
Given a square chessboard of size 'N x N', determine the minimum number of moves a Knight requires to reach a specified target position from its initial position...
- Ans.
Calculate the minimum number of moves a Knight needs to reach a target position on a chessboard.
Implement a function that takes knight's starting position, target position, and chessboard size as input
Use breadth-first search algorithm to find the shortest path for the Knight
Consider all possible 8 movements of the Knight on the chessboard
Return the minimum number of moves required for the Knight to reach the target po
(4 Questions)
Round duration - 60 minutes
Round difficulty - Easy
It started with a discussion on the programs given in coding round. They asked me about my interest field after that they directly jumped into Networking, Linux and Ethical Hacking part looking my interest domain. They asked me various question on networking and linux.
Then they asked me to code a simple c program
- Q1.
Reverse Linked List Problem Statement
Given a singly linked list of integers, return the head of the reversed linked list.
Example:
Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
Reversed link... - Ans.
Reverse a singly linked list of integers and return the head of the reversed linked list.
Iterate through the linked list and reverse the pointers to point to the previous node.
Keep track of the current, previous, and next nodes while reversing the linked list.
Update the head of the reversed linked list as the last node encountered during reversal.
- Q2. What are the port numbers of protocols such as FTP and SMTP?
- Ans.
FTP uses port number 21 and SMTP uses port number 25.
FTP uses port 21 for data transfer and port 20 for control information.
SMTP uses port 25 for email communication.
Understanding port numbers is important for network communication.
- Q3. Can you explain the OSI Model?
- Ans.
The OSI Model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven layers.
The OSI Model stands for Open Systems Interconnection Model.
It consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Each layer has specific functions and communicates with the adjacent layers.
Example: Layer 1 (Physical) deals with physi...
- Q4. How do you copy files in Linux?
- Ans.
To copy files in Linux, you can use the 'cp' command.
Use the 'cp' command followed by the source file and destination directory to copy a file.
To copy a directory and its contents, use the '-r' flag with the 'cp' command.
You can also use wildcards like '*' to copy multiple files at once.
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
Interview Questionnaire
8 Questions
- Q1. Find out the subset of an array of continuous positive numbers from a larger array whose sum of of the elements is larger in comparision to other subset. eg: {1,2 5 -7, 2 5} .The two subarrays are {1,2,5} ...
- Ans.
Find the subset of an array with the largest sum of continuous positive numbers.
Iterate through the array and keep track of the current sum and the maximum sum seen so far.
If the current element is positive, add it to the current sum. If it is negative, reset the current sum to 0.
Also keep track of the start and end indices of the maximum sum subset.
Return the subset using the start and end indices.
- Q2. Given two classes C1 and C2 which are almost same.(remember not exactly same). You want to choose best among these classes so that it can be use as key in hashmap. What question will you ask regarding two ...
- Q3. You are given two strings s1 and s2.Now, find the smallest substring in s1 containing all characters of s2
- Ans.
Find smallest substring in s1 containing all characters of s2.
Create a hash table of characters in s2
Use sliding window technique to find smallest substring in s1
Check if all characters in s2 are present in the substring
Update the smallest substring if a smaller one is found
- Q4. Questions on OOPS (almost all the concepts were covered like polymorphism, overriding, overloading, inheritance, concept of virtual fxns etc.)
- Q5. Write algo for reversing a linked list
- Ans.
Algorithm to reverse a linked list
Create a new empty linked list
Traverse the original linked list and insert each node at the beginning of the new list
Return the new list
- Q6. What is lazy loading? Advantages and disadvantages of the same?
- Ans.
Lazy loading is a technique used to defer the loading of non-critical resources until they are needed.
Advantages: faster initial page load, reduced bandwidth usage, improved user experience
Disadvantages: increased complexity, potential for slower subsequent page loads, difficulty with SEO
Examples: images, videos, and other media files can be loaded only when they are visible on the screen
- Q7. How ajax works? Difference between angular js and jquery?
- Ans.
Ajax is a technique for creating fast and dynamic web pages. AngularJS is a framework for building dynamic web applications, while jQuery is a library for simplifying HTML DOM traversal and manipulation.
Ajax stands for Asynchronous JavaScript and XML
It allows web pages to be updated asynchronously by exchanging data with a web server behind the scenes
AngularJS is a JavaScript framework that extends HTML with new attrib...
- Q8. Design a traffic light system?
- Ans.
A traffic light system controls the flow of traffic at intersections.
The system consists of three lights: red, yellow, and green.
Each light has a specific duration for which it stays on.
The system also includes sensors to detect the presence of vehicles and pedestrians.
The duration of each light can be adjusted based on traffic patterns.
The system can be connected to a central control system for remote monitoring and m
Interview Preparation Tips
College Name: na
Skills evaluated in this interview
I was interviewed before Feb 2021.
(3 Questions)
Round duration - 60 minutes
Round difficulty - Easy
Technical round with 3 problems based on DSA and Algorithms.
- Q1.
Smallest Integer Not Representable as Subset Sum
Given a non-decreasing sorted array
ARRofNpositive numbers, determine the smallest positive integer that cannot be expressed as the sum of elements from... - Ans.
Find the smallest positive integer that cannot be expressed as the sum of elements from any proper subset of a given array.
Sort the array in non-decreasing order.
Iterate through the array and keep track of the smallest sum that can be formed.
If the next element in the array is greater than the current sum + 1, then the answer is the current sum + 1.
Return the answer as the smallest integer not representable as a subset
- Q2.
Reverse Linked List Problem Statement
Given a singly linked list of integers, return the head of the reversed linked list.
Example:
Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
Reversed link... - Ans.
Reverse a singly linked list of integers and return the head of the reversed linked list.
Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.
Use three pointers to keep track of the current, previous, and next nodes while reversing the linked list.
Update the head of the reversed linked list to be the last node encountered during the reversal process.
- Q3.
Smallest Window Problem Statement
Given two strings
SandXcontaining random characters, the task is to find the smallest substring inSwhich contains all the characters present inX.Input:
The first... - Ans.
The task is to find the smallest substring in string S which contains all the characters present in string X.
Iterate through string S and keep track of characters in X using a hashmap
Use two pointers to maintain a sliding window and find the smallest window containing all characters in X
Return the smallest window found
(1 Question)
Round duration - 60 minutes
Round difficulty - Easy
Technical round with questions based on OOPS and Angular.
- Q1. What are the different OOP concepts?
- Ans.
OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.
Inheritance allows a class to inherit properties and behavior from another class.
Encapsulation restricts access to certain components of an object, protecting its integrity.
Polymorphism allows objects to be treated as instances of their parent class.
Abstraction hides the complex implementation details of an object and only shows the necessar
(3 Questions)
Round duration - 60 minutes
Round difficulty - Easy
Questions based on System Design, ajax, jquery were asked.
- Q1. How would you design a traffic light system?
- Ans.
Designing a traffic light system involves creating a system that controls the flow of traffic at intersections.
Divide the traffic light system into three main lights: red, yellow, and green.
Implement timers to control the duration of each light.
Include sensors to detect the presence of vehicles and pedestrians.
Consider implementing a pedestrian crossing signal.
Integrate a central control system to coordinate the timing
- Q2. How does AJAX work?
- Ans.
AJAX allows for asynchronous communication between client and server without needing to reload the entire page.
AJAX stands for Asynchronous JavaScript and XML.
It allows for sending and receiving data from a server without reloading the entire page.
AJAX uses XMLHttpRequest object to make requests to the server.
It can update parts of a web page without requiring a full page reload.
Commonly used in web applications to pro
- Q3. What is the difference between AngularJS and jQuery?
- Ans.
AngularJS is a full-fledged MVC framework for building dynamic web applications, while jQuery is a lightweight library for DOM manipulation and event handling.
AngularJS is a full-fledged MVC framework, providing features like two-way data binding, dependency injection, and routing.
jQuery is a lightweight library primarily used for DOM manipulation and event handling.
AngularJS is suitable for building single-page applic...
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
I was interviewed before Jan 2021.
(2 Questions)
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
Acontaining 'N' integers and an integerm, rearrange the elements of the array such that the differences between the array elements andmare sor... - 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.
- 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...
- 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
(4 Questions)
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
4567654Explanation:
The pat...
- 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
- 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...
- 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...
- 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
Round duration - 30 minutes
Round difficulty - Easy
Typical HR round with behavioral problems.
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before May 2021. There were 3 interview rounds.
Discussion on Oops and asked to implement linked list and then asked to modify it to fit for a binary tree.
One qsts related to algos was asked too which I don't remember
(1 Question)
- Q1. Formal introduction of ourselves . Followed by few qsts on family and why IIFL
Interview Preparation Tips
I applied via Walk-in and was interviewed in Nov 2020. There was 1 interview round.
Interview Preparation Tips
I applied via Referral and was interviewed before Oct 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Earlier working details and business
Interview Preparation Tips
I applied via Walk-in and was interviewed before Apr 2021. There were 3 interview rounds.
(1 Question)
- Q1. Share details of your previous job.
(6 Questions)
- Q1. Tell me about yourself.
- Q2. What are your strengths and weaknesses?
- Q3. Why are you looking for a change?
- Q4. Share details of your previous job.
- Q5. What is your family background?
- Q6. What are your salary expectations?
Interview Preparation Tips
Himanshu Gupta
I applied via Company Website and was interviewed in Mar 2021. There were 2 interview rounds.
Interview Preparation Tips
My Interview with their sales VP SANDEEP JUNEJA was good and relevant to the point.
Otherwise all the other rounds were almost same which was not needed it can be Completed in 1-2 round.
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