CodeClouds Senior Sdet Engineer Interview Questions and Answers

Q1. Advantage and disadvantage of framework.
Ans. 
Frameworks provide structure and pre-built components for software development, but can also limit flexibility and require learning curve.
• Advantage: Provides structure and pre-built components for faster development

• Advantage: Can improve code quality and maintainability

• Disadvantage: Can limit flexibility and customization

• Disadvantage: Requires learning curve and potential dependency issues

• Example: ReactJS provides a fr...read more
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Q1. What is Oops? Advantage and disadvantage
Ans. 
Oops stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent real-world entities.
• Advantages: code reusability, modularity, encapsulation, inheritance, polymorphism

• Disadvantages: complexity, steep learning curve, performance overhead

• Example: creating a class 'Car' with properties like 'make', 'model', and 'year', and methods like 'start_engine' and 'stop_engine'
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Q1. Backend Questions regarding
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Q2. UI Questions regarding Angular
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Q1. Core and Advance concepts of Java
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Q1. Mainly on mutltithrerading concepts and previous experience on projects.
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Q1. About projects and scenarios based questions.
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Q1. About Salary negotiation and final round
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Round duration - 60 Minutes
Round difficulty - Hard

Q1. 
Prime Numbers within a Range
Given an integer N, determine and print all the prime numbers between 2 and N, inclusive.
Input:
Integer N
Output:
Prime numbers printed on separate lines
Example:
Input...read more
Ans. 
Generate and print all prime numbers between 2 and N, inclusive.
• Iterate from 2 to N and check if each number is prime

• A prime number is only divisible by 1 and itself

• Print each prime number on a new line
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Round duration - 60 Minutes
Round difficulty - Hard

Q1. 
Anagram Substring Search
Given two strings 'STR' and 'PTR', identify all starting indices of 'PTR' anagram substrings in 'STR'. Two strings are anagrams if one can be rearranged to form the other.
Input:
...read more
Ans. 
Implement a function to find all starting indices of anagram substrings of a given string in another string.
• Create a frequency map of characters in the 'PTR' string.

• Use a sliding window approach to check for anagrams in 'STR'.

• Return the starting indices of anagram substrings found.

• Example: For input 'BACDGABCD' and 'ABCD', output should be [0, 5].
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Round duration - 60 Minutes
Round difficulty - Hard

Q1. What are some common testing questions related to Linux and operating systems?
Ans. 
Common testing questions related to Linux and operating systems
• What are the different types of testing that can be performed on a Linux operating system?

• How do you test the compatibility of software with different Linux distributions?

• Can you explain the process of testing kernel modules in a Linux environment?

• What tools and techniques do you use for performance testing on Linux systems?

• How do you ensure the security an
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Q1. It is taken by manager's manager it is quit tough he asked high level of technical question
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Q1. It was just a salary discussion .HR was very corporative and polite.
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Q1. Write an SQL query to fetch duplicates.
Ans. 
SQL query to fetch duplicates
• Use GROUP BY and HAVING clause to identify duplicates

• Select columns to be checked for duplicates

• Example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name HAVING COUNT(*) > 1;
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Q2. Write SQL query to fetch nth highest Salary.
Ans. 
SQL query to fetch nth highest Salary
• Use the ORDER BY clause to sort the salaries in descending order

• Use the LIMIT clause to fetch the nth highest salary

• Consider handling cases where there might be ties for the nth highest salary
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