BlueBinaries Engineering and Solutions Senior Engineer Interview Questions and Answers

Round duration - 90 minutes
Round difficulty - Medium

It was Technical + Aptitude MCQ round.The technical section consisted if MCQ related to DSA,OS,DBMS.The aptitude section consisted of questions related to basic mathematics.

Q1. 
Candies Distribution Problem Statement
Prateek is a kindergarten teacher with a mission to distribute candies to students based on their performance. Each student must get at least one candy, and if two s...read more
Ans. 
The task is to distribute candies to students based on their performance while minimizing the total candies distributed.
• Create an array to store the minimum candies required for each student.

• Iterate through the students' ratings array to determine the minimum candies needed based on the given criteria.

• Consider the ratings of adjacent students to decide the number of candies to distribute.

• Calculate the total candies req...read more
Answered by AI
Add your answer

Round duration - 30 minutes
Round difficulty - Medium

It was a technical interview testing the basic skills of OS and DBMS of candidates along with few project discussions from your CV.

Q1. Can you write 15 Linux commands along with their functions?
Ans. 
List of 15 Linux commands with their functions
• ls - list directory contents

• pwd - print working directory

• cd - change directory

• mkdir - make a new directory

• rm - remove files or directories

• cp - copy files and directories

• mv - move or rename files and directories

• grep - search for patterns in files

• chmod - change file permissions

• ps - display information about running processes

• top - display and update sorted information about pr...read more
Answered by AI
Add your answer
Q2. What are DDL (Data Definition Language) and DML (Data Manipulation Language)?
Ans. 
DDL is used to define the structure of database objects, while DML is used to manipulate data within those objects.
• DDL includes commands like CREATE, ALTER, DROP to define database objects like tables, indexes, etc.

• DML includes commands like INSERT, UPDATE, DELETE to manipulate data within tables.

• Example of DDL: CREATE TABLE employees (id INT, name VARCHAR(50));

• Example of DML: INSERT INTO employees VALUES (1, 'John Doe
Answered by AI
Add your answer

Q1. What is Test case
Ans. 
A test case is a set of conditions or variables under which a tester will determine whether a system under test satisfies requirements or works correctly.
• Test cases are designed to validate the functionality of a system.

• They include steps to be executed, expected results, and actual results.

• Test cases can be automated or manual.

• Examples: Login functionality, search feature, checkout process.
Answered by AI
Add your answer
Q2. Diffrence between validation and verification in testing
Ans. 
Validation ensures the right product is built, while verification ensures the product is built right.
• Validation confirms that the product meets the customer's requirements and expectations.

• Verification ensures that the product conforms to its specified requirements.

• Validation answers the question 'Are we building the right product?' while verification answers 'Are we building the product right?'

• Examples: Validating tha...read more
Answered by AI
Add your answer

Q1. About project and details of project
Add your answer
Q2. Some puzzles to test the logic reasoning
Add your answer

Q1. What is xpath and explain how to fetch
Ans. 
XPath is a language used for locating nodes in an XML document.
• XPath stands for XML Path Language.

• It is used to navigate through elements and attributes in an XML document.

• XPath uses path expressions to select nodes or node-sets in an XML document.

• Example: //bookstore/book selects all book elements that are children of the bookstore element.
Answered by AI
Add your answer

Q1. Explain about your current project
Add your answer

Q1. General questions on behavioral patterns
Add your answer

Q1. Asked about my project in uni
Add your answer

Q1. Project worked in ur previus company
Add your answer
Q2. Explain in detail what tools used, how you deployed etc
Add your answer

Q1. English Communication - both verbal and written
Add your answer