Bristlecone Interview Questions, Process, and Tips

Basic aptitude questions were there from all the topics

One topic was given to each group of 12 members and 1 minute to think. Mine topic was Is AI good or bad?

Q1. First interviewer introduced himself then he asked to explain about yourself
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Q2. Projects that I had mentioned in my resume
Ans. 
I have worked on projects involving data analysis and visualization using Python and SQL.
• Developed Python scripts to clean and analyze large datasets

• Created interactive dashboards using Tableau for data visualization

• Utilized SQL queries to extract and manipulate data from databases
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Q3. Python basic questions and questions related to project based on it
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Q4. Internship explanation and follow up questions based on it
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Q5. Problem-solving started by array basic questions then moving on linked list 2 questions were asked on it.
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Q1. After first round I was referred to the other panel for AI skill set role, he asked what your core area of interest is and what tech stack you like the most
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Q2. Then he gave a look on my projects and then on skills mentioned in resume. Then started with SQL questions like keys difference between foreign key and primary key then joins I I had explained all types th...read more
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Q3. Then question were asked on python basics like difference between tuple and dictionaries, numpy and pandas library, basic coding question to be written in python
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Topic was Impact of AI

Q1. Sql joins question
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Q2. Types of joins in sql
Ans. 
Types of joins in SQL include inner join, left join, right join, and full outer join.
• Inner join: returns rows when there is a match in both tables

• Left join: returns all rows from the left table and the matched rows from the right table

• Right join: returns all rows from the right table and the matched rows from the left table

• Full outer join: returns rows when there is a match in either table
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Q1. Where do you see yourself in 5 years
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Q2. Strength weakness
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Q1. Write to print even and odd by thread
Ans. 
Print even and odd numbers using two threads
• Create two threads, one for printing even numbers and one for printing odd numbers

• Use synchronization mechanisms like mutex or semaphore to ensure proper ordering of numbers

• Example: Thread 1 prints even numbers (2, 4, 6, ...) and Thread 2 prints odd numbers (1, 3, 5, ...)
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Q2. Write to print string in C style array
Ans. 
Use a loop to print each character of the string in C style array format
• Declare an array of characters with the string length + 1 for null terminator

• Use a loop to copy each character of the string into the array

• Add a null terminator at the end of the array to signify the end of the string
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Q3. Architecture for project
Ans. 
The architecture for the project should be scalable, modular, and well-documented.
• Use a microservices architecture to break down the project into smaller, independent services.

• Implement a RESTful API for communication between services.

• Utilize containerization with Docker for easy deployment and scalability.

• Consider using a message broker like Kafka for asynchronous communication between services.

• Document the architectu...read more
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Q4. Write to print string by passing char*
Ans. 
Use a loop to print each character of the string passed as a char* parameter.
• Use a for loop to iterate through each character of the char* parameter.

• Print each character using printf or cout.

• Ensure to handle the null terminator at the end of the string.
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Q5. Rest api library
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