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Blue Matrix Interview Questions and Answers
Blue Matrix Interview Experiences
3 interviews found
Anonymous
I appeared for an interview in Apr 2023.
(1 Question)
- Q1. Mostly talking about yourself and what u know and why u moved from ur company, and wt motivates u
(2 Questions)
- Q1. Question about security stuff like when we use get and post and why
- Q2. Basic questions of js closure hosting var let
Interview Preparation Tips
Very unprofessional company
Senior Frontend Web Developer Interview Questions asked at other Companies
I appeared for an interview in Apr 2023.
(1 Question)
- Q1. Only talk about prev experience and why I want to join the company
(6 Questions)
- Q1. What is get and post
- Ans.
GET and POST are HTTP methods used for sending and receiving data between a client and server.
GET is used to retrieve data from a server
POST is used to submit data to a server
GET requests can be cached and bookmarked
POST requests are not cached and cannot be bookmarked
GET requests have length restrictions
POST requests have no restrictions on length
GET requests are less secure than POST requests
- Q2. When we use get/post
- Ans.
get is used to retrieve data from a server while post is used to send data to a server.
get is used for fetching data from a server
post is used for submitting data to a server
get requests can be cached and bookmarked
post requests are not cached and cannot be bookmarked
get requests have length restrictions while post requests do not
- Q3. What is more secure to use get/post
- Ans.
POST is more secure than GET.
GET requests can be cached and logged in browser history
POST requests are not cached and not visible in browser history
Sensitive data should always be sent through POST requests
- Q4. Wt are the http requests
- Ans.
HTTP requests are messages sent by a client to a server to retrieve or send data.
HTTP requests are used to communicate with servers and retrieve or send data.
They can be GET, POST, PUT, DELETE, or other types of requests.
HTTP requests are sent over the internet using TCP/IP protocol.
Examples of HTTP requests include requesting a webpage, submitting a form, or uploading a file.
- Q5. Wt does it mean https
- Ans.
HTTPS stands for Hypertext Transfer Protocol Secure, it is a secure version of HTTP.
HTTPS is used to secure communication over the internet.
It uses SSL/TLS protocols to encrypt data.
It is identified by the 'https://' prefix in the URL.
It provides authentication, integrity, and confidentiality of data.
It is commonly used for secure online transactions, such as online banking and shopping.
- Q6. A lot of basic js questions like wt is closure/hosting/let/var
Interview Preparation Tips
and they told me to wait 1 or 2days max and they kept me hanging for a week and half and I was sending them emails, LinkedIn messages, but no reply and when they replied after a week and smth they were like wait one more day we are almost to finalise the offer and in the main time I rejected other offers I thought they were serious and they give me a good offer on phone not on papers, then after 2weeks they send me a general linkedIn answer that I wasn’t accepted and they move forward, I was like after keeping me 1month and you said you are gonna sign the contract in a few days then u send me a general answer :((
very unprofessional company
Skills evaluated in this interview
React Js Frontend Developer Interview Questions asked at other Companies
I applied via Walk-in and was interviewed before May 2021. There were 3 interview rounds.
THEY WERE GOOD
(1 Question)
- Q1. NORMAL DETAILS ABOUT SELF WITH EXPECTATIONS
Interview Preparation Tips
- NOTHING SPECIFIC
Medical Transcriptionist Interview Questions asked at other Companies
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Interview questions from similar companies
I applied via Walk-in and was interviewed in Apr 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Tell me about yourself and technical knowledge.
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Apr 2021. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. About my previous work experience
- Q2. About achievements
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Oct 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Online technical MCQ exam you have to clear..
- Q2. After online technical MCQ telephonic round approx 30min.
Interview Preparation Tips
Be confident while giving answer.
Based on prior experience they will ask questions.
Interview Questionnaire
1 Question
- Q1. Ques related to spring, rest web services
Interview Preparation Tips
I appeared for an interview before Dec 2020.
(2 Questions)
Round duration - 90 Minutes
Round difficulty - Medium
2 coding questions and 20 mcq
- Q1.
Rotting Oranges Problem Statement
You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:
- 0 - representing an empty cell
- 1 - representing a fre...
- Ans.
Find the minimum time required to rot all fresh oranges in a grid.
Use Breadth First Search (BFS) to simulate the rotting process.
Track the time taken to rot all oranges and return -1 if any fresh oranges remain.
Handle edge cases like no fresh oranges or all oranges already rotten.
Consider using a queue to efficiently process adjacent oranges.
Ensure to update the grid with the new state of oranges after each second.
- Q2.
Calculate Sum of Proper Divisors
Given a natural number
N, return the sum of all its proper divisors.A proper divisor of
Yis defined as a numberXsuch thatX < YandY % X = 0.Example:
Input:
T...
- Ans.
Calculate the sum of proper divisors of a given natural number.
Iterate from 1 to sqrt(N) and check for divisors
If a divisor is found, add it to the sum and also add N/divisor if it is not the same as divisor
Return the sum as the result
(1 Question)
Round duration - 45 Minutes
Round difficulty - Medium
Technical interview
- Q1.
Rearrange Array to Form Largest Number
Given an array
ARRconsisting of non-negative integers, rearrange the numbers to form the largest possible number. The digits within each number cannot be changed....
- Ans.
Rearrange the array elements to form the largest possible number by concatenating them.
Sort the array elements in a custom comparator function to get the largest number.
Convert the sorted array elements to strings and concatenate them to form the final number.
Handle cases where the numbers have the same prefix by comparing the concatenated forms.
Interview Preparation Tips
Tip 1 : Be clear about whatever you have mentioned in resume, don't mention buzz words, because interviewer can go in depth
Tip 2 : Along with DS and Algo, if you have 3-4 months experience or internship experience, then be ready to answer scenario based technical questions like scaling the application that you developed and design concepts that can be used for improving
Tip 3 : Last but most important tip is to be calm through out the whole process ,don't loose hope if any round didn't go well ,if you have explained your thought process there is still chance to procees to next round so keep preparating for next rounds.
Tip 1 : Keep it one page resume and mention keywords which align with your technical and personal competencies.
Tip 2 : Mention 3-4 projects in the order that , project which you can explain best should be at top,then the next, and so on.
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before Jun 2021. There were 3 interview rounds.
Round 1 is quit easy , only verbal ability is little bit difficult. So anyone can easy to qualify round.
(1 Question)
- Q1. Round 2 is also easy. They will about your self, 2-3 basic technical questions and about project that you have done previously.
(1 Question)
- Q1. Round 3 is basically non- eliminating round.They will ask basic questions just like your job preferance, ambitions etc.
Interview Preparation Tips
- Programing language
- DBMS
- OOPS
Interview Questionnaire
1 Question
- Q1. A-Z in MySQL, programming languages(only concepts)
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