MongoDB Consultant Engineer Interview Questions, Process, and Tips

All questions were easy and straight forward

There were 2 coding questions of medium level

Q1. Based on networking, Projects, and domain based
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Q1. About role and some other things
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Round duration - 60 Minutes
Round difficulty - Medium

25 MCQs+ 1 Coding Question

Computer Networking+ OOPS+ DBMS+ Data Structures+ Output Based

Q1. 
Minimum Cost Path Problem Statement
Given an N x M matrix filled with integers, determine the minimum sum obtainable from a path that starts at a specified cell (x, y) and ends at the top left corner of t...read more
Ans. 
The problem involves finding the minimum sum path from a specified cell to the top left corner of a matrix.
• Start from the specified cell and calculate the minimum sum path to reach the top left corner of the matrix.

• You can move down, right, or diagonally down right from any cell.

• Keep track of the minimum sum obtained at each cell to determine the overall minimum sum path.

• Example: For the input matrix 4 8 2, 2 5 7, 6 1 ...read more
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Round duration - 15 minutes
Round difficulty - Easy

Video Submission Round

Q1. What was the topic of the video you had to submit for your assignment?
Ans. 
The topic of the video I submitted for my assignment was the impact of renewable energy on reducing carbon emissions.
• Discussed various sources of renewable energy such as solar, wind, and hydro power

• Highlighted the benefits of transitioning to renewable energy for the environment and economy

• Provided examples of countries successfully implementing renewable energy initiatives
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Round duration - 60 minutes
Round difficulty - Medium

It was around 4-5 o' clock in evening.

Q1. 
Covid Vaccination Distribution Problem
As the Government ramps up vaccination drives to combat the second wave of Covid-19, you are tasked with helping plan an effective vaccination schedule. Your goal is...read more
Ans. 
Maximize vaccines administered on a specific day while following certain rules.
• Distribute vaccines evenly over the specified number of days.

• Ensure the difference in vaccines between consecutive days is not more than 1.

• Maximize the number of vaccines administered on the given day.

• Keep track of the total number of vaccines administered each day.

• Return the maximum number of vaccines administered on the specified day.
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Round duration - 60 Minutes
Round difficulty - Easy

It was the First Interview round of the shortlisted students from coding round.
It was the Technical Round.

Q1. 
Pattern Search in Strings
Given two strings S and P consisting of lowercase English alphabets, determine if P is present in S as a substring.
Input:
The first line contains an integer T, the number of t...read more
Ans. 
The task is to determine if a given substring is present in a given string.
• Iterate through the string S and check if each substring of length equal to the length of P matches P.

• Use string comparison to check for equality between substrings.

• Return 'YES' if a match is found, otherwise return 'NO'.
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Round duration - 60 minutes
Round difficulty - Easy

It was the MR( Managerial Round). It had questions regarding the major projects, internships and basics of computer network.

Q1. Can you describe how a website sends data to a server?
Ans. 
A website sends data to a server through HTTP requests, which include the data in the request body or parameters.
• When a user interacts with a website (e.g. submits a form), the website sends an HTTP request to the server.

• The data can be sent in the request body (e.g. JSON or XML) or as parameters in the URL.

• The server processes the request, retrieves the data, and sends a response back to the website.

• Examples of data s...read more
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Round duration - 30 minutes
Round difficulty - Easy

It was the Last round. The HR round