Publicis PHP Developer Interview Questions and Answers for Freshers

Q1. Tell me about yourself
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Q1. Tell me about yourself
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Q2. What are your hobbies?
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Q1. What is retargeting
Ans. 
Retargeting is a marketing strategy that targets users who have previously interacted with a brand or website.
• Retargeting uses cookies to track user behavior and display targeted ads to them.

• It helps to increase brand awareness and conversions by reminding users of products or services they showed interest in.

• Retargeting can be done on various platforms such as social media, search engines, and display networks.

• Example...read more
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Q2. What fascinates you about digital marketing
Ans. 
The ability to reach and engage with a large audience in real-time through various digital channels.
• The constantly evolving nature of digital marketing keeps me on my toes and allows for continuous learning and growth.

• The data-driven approach in digital marketing enables precise targeting and measurement of campaign effectiveness.

• The creativity involved in crafting compelling content and campaigns to capture audience a...read more
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Q3. What is targeting
Ans. 
Targeting is the process of identifying and selecting a specific audience or group of individuals for a particular product or service.
• Targeting involves analyzing data to determine the characteristics of the desired audience

• It helps in creating personalized marketing messages and campaigns

• Examples of targeting include demographic targeting, geographic targeting, and behavioral targeting

• Targeting can also be used in adv...read more
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Q4. Example of retargeting in daily life
Ans. 
Retargeting is when ads follow you after visiting a website or searching for a product.
• After searching for a product on Amazon, ads for that product appear on other websites

• Ads for a hotel you looked at on Booking.com follow you on social media

• After browsing a clothing website, ads for that brand appear on your Instagram feed
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Q5. What is Seo and how it works
Ans. 
SEO stands for Search Engine Optimization. It is the process of optimizing a website to rank higher in search engine results pages.
• SEO involves optimizing website content, structure, and HTML code

• Keyword research and analysis is a crucial part of SEO

• Link building and social media marketing can also improve SEO

• Search engines use complex algorithms to determine website rankings

• SEO is an ongoing process that requires cons
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In this exam, they will be evaluated on logic, mathematics, general knowledge, and grammar.

In this, they will conduct a scenario-based email writing exam.

Q1. What types of questions can I expect in the first round of HR interviews, particularly regarding my background and motivations for seeking a job in digital marketing?
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Q2. Was the second round of the interview a technical round?
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1. Find second largest integer in array
2.Angrams

Q1. Class and objects Joins Mysql related queries
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Q1. What is Indexing in Mysql
Ans. 
Indexing in MySQL is a technique to improve the performance of database queries by creating a data structure that allows for faster data retrieval.
• Indexes are created on one or more columns of a table.

• They help in speeding up the search, sorting, and joining of data.

• Indexes can be created using different algorithms like B-tree, hash, or bitmap.

• Using indexes appropriately can significantly enhance query performance.

• Exam...read more
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Q2. Opps concepts in php
Ans. 
Object-oriented programming concepts in PHP
• Encapsulation: bundling data and methods together in a class

• Inheritance: creating new classes based on existing ones

• Polymorphism: using a single interface to represent different types

• Abstraction: hiding unnecessary details and exposing only essential features

• Class: blueprint for creating objects

• Object: instance of a class

• Method: function defined inside a class

• Property: variabl
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It will be around 3 hours and 2 questions of leetcode hard difficulty will be asked in the interview and 1 question is of codeforces 2400+ difficulty question.

Q1. 1-2 DSA medium-hard difficulty question will be asked.
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Q2. CS fundamentals in depth had been asked in the ending of the interview.
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Q1. System Design problem was asked.
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Q1. This is a cultural fit round. Common HR question was asked.
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Round duration - 75 minutes
Round difficulty - Easy

This round was conducted in Hackerrank portal for a total duration of 75 minutes and was divided into 4 sections.

1st Section : Aptitude Section : 14 questions , 28 minutes
2nd Section : Technical Section : 12 questions , 17 minutes
3rd Section :1 coding Questions : 20 minutes+30 minutes

This Round was Conducted on Hackerrank (Webcam Enabled).

Q1. Given a problem statement and a piece of code, how would you find and correct the bug in the code?
Ans. 
To find and correct a bug in code, analyze problem statement, review code, use debugging tools, and test different scenarios.
• Understand the problem statement and expected output

• Review the code for syntax errors, logical errors, and potential bugs

• Use debugging tools like breakpoints, print statements, and IDE debuggers

• Test the code with different inputs and edge cases to identify the bug

• Make necessary corrections and re
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Q2. 
Nodes at Distance K from Target Node in Binary Tree
Given a Binary Tree of distinct integers and two integers, target and K, return a list of values of all nodes located at a distance K from the target no...read more
Ans. 
Find nodes at distance K from target node in a Binary Tree.
• Use BFS to traverse the tree and keep track of the distance of each node from the target node.

• Maintain a set to keep track of visited nodes to avoid revisiting them.

• Return the values of nodes at distance K from the target node.
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Round duration - 90 minutes
Round difficulty - Medium

I was shared a link of Google Meet and the Google Docs was shared where there was 1 coding problem to be coded there and then the code was run on an IDE to check the sample tests.
Then the interview was followed by a lot of Operating System and Computer System Architecture Questions.
There were 2 Interviewers and both were helpful.
The timing was from 2:30 PM to 4:00 PM

Q1. 
Subarray Challenge: Largest Equal 0s and 1s
Determine the length of the largest subarray within a given array of 0s and 1s, such that the subarray contains an equal number of 0s and 1s.
Input:
Input beg...read more
Ans. 
Find the length of the largest subarray with equal number of 0s and 1s in a given array.
• Iterate through the array and maintain a count of 0s and 1s encountered so far.

• Store the count difference in a hashmap with the index as key.

• If the same count difference is encountered again, the subarray between the two indices has equal 0s and 1s.

• Return the length of the longest subarray found.
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Round duration - 45 minutes
Round difficulty - Easy

The round was held on Google Meet with HR from 2:30 PM to 3:15 PM.
The HR was friendly and asked the basic questions.