RedBus QA Engineer Interview Questions and Answers

Q1. Write an SQL query to find the 2nd largest salary
Ans. 
SQL query to find the 2nd largest salary
• Use the ORDER BY clause to sort salaries in descending order

• Use the LIMIT clause to get the second row
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Q2. Write test cases of Login API
Ans. 
Test cases for Login API
• Verify valid credentials login successfully

• Verify invalid credentials show error message

• Verify login with empty username or password

• Verify login with special characters in username or password

• Verify login with long username or password
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Q3. In Jmeter, what is Rampup period
Ans. 
Rampup period in JMeter is the time taken for all virtual users to start executing the test plan.
• Rampup period is specified in seconds in JMeter test plan settings.

• During the rampup period, JMeter gradually starts all virtual users to avoid overwhelming the server.

• For example, if rampup period is set to 60 seconds and number of threads is 100, JMeter will start 1 thread every 0.6 seconds.
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Q4. Difference between cookie and cache
Ans. 
Cookies are small pieces of data stored on the client side, while cache is temporary storage of web documents on the server or client side.
• Cookies are used to store user-specific information like login credentials, preferences, etc.

• Cache is used to store frequently accessed web documents to reduce loading times.

• Cookies are sent with every HTTP request, while cache is used to store resources locally to reduce server loa...read more
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Q5. API vs Webservice
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API is a general term for any set of rules that allow different software applications to communicate with each other. A web service is a type of API that is accessed over a network.
• API is a set of rules and protocols that allow different software applications to communicate with each other.

• Web service is a type of API that is accessed over a network, typically using HTTP.

• API can be used for various purposes like access...read more
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Q6. Write a program to find a prime number
Ans. 
Program to find a prime number
• Iterate through numbers starting from 2 up to the given number

• Check if the number is divisible by any number other than 1 and itself

• If not divisible, then it is a prime number
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Q7. Write a program to find the factorial
Ans. 
Program to find the factorial of a number
• Use a loop to multiply numbers from 1 to the given number

• Handle edge cases like 0 and negative numbers

• Example: For input 5, factorial is 5*4*3*2*1 = 120
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Q1. How do you perform regression testing in complex feature
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Regression testing in complex features involves identifying critical test cases, automating tests, and executing them regularly.
• Identify critical test cases that cover the main functionalities of the complex feature

• Automate these test cases to ensure efficient and consistent testing

• Execute regression tests regularly to catch any potential issues or regressions

• Use tools like Selenium, JUnit, or TestNG for automation and...read more
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Binary Search questions were asked

Peak in a mountain array question were asked

Q1. Salary Questions were asked
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Q2. Salaryyy questions were asked
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Q1. What is Smog Testing
Ans. 
Smog testing is a process to measure the amount of pollutants emitted by vehicles to ensure they meet environmental standards.
• Smog testing is also known as emissions testing or vehicle inspection.

• It is typically required by law to ensure vehicles are not emitting excessive pollutants into the air.

• The testing process usually involves measuring the levels of pollutants such as carbon monoxide, hydrocarbons, and nitrogen ...read more
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Q2. What is SDLC lifecycle
Ans. 
SDLC lifecycle is the process of planning, creating, testing, and deploying software.
• SDLC stands for Software Development Life Cycle

• It includes phases like planning, analysis, design, implementation, testing, and maintenance

• Each phase has specific goals and deliverables

• Examples of SDLC models include Waterfall, Agile, and DevOps
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Q1. Given was a case study of lift, need to make test cases regarding that.
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Q1. What is your marital status, family and current job.
Ans. 
Married with two children, currently working as a QA Engineer.
• Married with two children

• Currently working as a QA Engineer
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Q1. Normal interview Questions Regarding Software Testing and salary Discussion.
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Q2. Sdlc,stlc,bug life cycle, Regression Testing,Test Case.
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Normal Aptitude Test Questions.

Q1. Basic Software Testing interview Questions.
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Q1. What is API? what are the different status codes ? how 400 status code gets explain in details
Ans. 
API stands for Application Programming Interface. It is a set of protocols and tools for building software applications.
• API allows different software applications to communicate with each other

• APIs can be used to retrieve data from a remote server

• APIs can be used to send data to a remote server

• APIs can be used to perform actions on a remote server

• HTTP status codes are used to indicate the status of a request

• 400 status ...read more
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Q1. What selenium? web services? coding question related to array reverse
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Basic QA question. Tope 50 qa question

Q1. Questions related to SQL, Manual concepts, test cases, Automation
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Q1. SQL queries, Real-time scenarios, Manual and automation concepts, Java concepts
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Q1. About company and salary
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