Zinnov Management Consulting Senior Research Executive Interview Questions and Answers

Q1. Technological working experience question
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Q1. Technology and architect
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Q1. Expectations of the roll
Ans. 
The expectations of the role include leading software development projects, mentoring junior engineers, and collaborating with cross-functional teams.
• Lead software development projects from conception to delivery

• Mentor junior engineers and provide guidance on best practices

• Collaborate with cross-functional teams to ensure project success
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Mix of coding, aptitude, java, javascript

Q1. Resume based questions on project
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Q2. Basic SQL, Java streams questions
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Q1. Project related questions
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Q2. Internal working of hashmap
Ans. 
HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
• HashMap internally uses an array of linked lists to store key-value pairs.

• When a key-value pair is added, the key is hashed to determine the index in the array where the pair will be stored.

• If multiple keys hash to the same index, a collision occurs and the pairs are stored in a linked list at that index.

• To...read more
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Q3. Design patterns I've used
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I have used design patterns such as Singleton, Factory, and Observer in my projects.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Observer pattern defines a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and
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Q4. Print whole Fibonacci series using recursion.
Ans. 
Print Fibonacci series using recursion
• Define a recursive function to calculate Fibonacci numbers

• Base case: return 0 if n is 0, return 1 if n is 1

• Recursive case: return sum of previous two Fibonacci numbers

• Print each Fibonacci number in the series
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Q5. Show my Github projects, and the interviewer didn't even properly looked into the code.
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They will ask some simple algorithmic questions.

Q1. Very friendly face to face interview simple questions will be asked base on your level of expertise
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1 hr test with questions on react and , js, python

Questions are asked from hackerrank . Difficulty level medium .
Prepare for SQL too.

Q1. Your projects, system design
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Q1. What are services in Drupal?
Ans. 
Services in Drupal are reusable objects that perform specific functions, such as database queries or sending emails.
• Services are defined in YAML files and can be accessed throughout a Drupal site.

• They are used to encapsulate reusable functionality and promote code reusability.

• Examples of services in Drupal include the database service for interacting with the database, the mail service for sending emails, and the logge
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Q2. How to debug in Drupal?
Ans. 
Debugging in Drupal involves using tools like Devel module, watchdog(), and error logs.
• Enable Devel module for debugging information

• Use watchdog() function to log messages to Drupal's watchdog log

• Check error logs for PHP errors and warnings

• Use dpm() function to print variables for debugging purposes
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Reasoning, english, quantitative questions,