BlackBuck QA Engineer Interview Questions and Answers

35 Question
10 QA
10 SQL Related
5 Apptitude

Q1. Apptitude Question Basic QA Question
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Q1. HR Round with Senior QA Manager Bug Reporting QA & QC Agile Methodologies Etc. Automation Testing Questions
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Q1. Salary 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
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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. Path and query parameter in api testing
Ans. 
Path and query parameters are essential in API testing for specifying resource paths and filtering data.
• Path parameters are part of the endpoint URL and are used to identify a specific resource.

• Query parameters are added to the URL after a '?' and are used for filtering, sorting, or pagination.

• Example: Path parameter - /users/{id}, Query parameter - /users?role=admin

• Testing path parameters involves verifying that the c...read more
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Q2. Error codes in api testing
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Error codes in API testing are used to identify and communicate specific issues or problems that occur during the testing process.
• Error codes help testers understand the root cause of failures in API calls

• They provide a standardized way to communicate errors to developers and stakeholders

• Examples of error codes include 400 Bad Request, 401 Unauthorized, 404 Not Found, etc.
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Q3. Tyews of testing, SDLC, STLC, Daily work
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Q1. Few basic SQL Queries
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Q2. Difference between mobile and web app testing
Ans. 
Mobile app testing involves testing applications on mobile devices, while web app testing involves testing applications on web browsers.
• Mobile app testing includes testing on various mobile devices with different screen sizes and operating systems.

• Web app testing focuses on compatibility with different web browsers and screen resolutions.

• Mobile app testing may involve testing for offline functionality and push notifica...read more
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Q3. Negative test cases for money transaction
Ans. 
Negative test cases for money transaction
• Transaction amount exceeds account balance

• Invalid account number provided

• Transaction fails due to network issues

• Transaction is blocked due to suspicious activity
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Q1. Testing concepts
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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
Ans. 
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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35 Question
10 QA
10 SQL Related
5 Apptitude

Q1. Apptitude Question Basic QA Question
Add your answer

Q1. HR Round with Senior QA Manager Bug Reporting QA & QC Agile Methodologies Etc. Automation Testing Questions
Add your answer

Binary Search questions were asked

Peak in a mountain array question were asked

Q1. Salary Questions were asked
Add your answer
Q2. Salaryyy questions were asked
Add your answer