DronaHQ QA Engineer Interview Questions and Answers for Experienced

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.
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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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HackerRank, one graph question which I solved.

Q1. Discussed solutions and better approaches for coding round questions.
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Q2. What work you did in previous company.
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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. When build is given what testing should you perform
Ans. 
When a build is given, various types of testing should be performed to ensure the quality of the software.
• Perform smoke testing to quickly check if the build is stable enough for further testing.

• Conduct functional testing to verify that the software functions as expected.

• Execute regression testing to ensure that new changes have not affected existing functionalities.

• Carry out performance testing to assess the speed, re...read more
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Q1. Rotation of a string k times with a complexity of k
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Rotation of a string k times with a complexity of k
• Use string slicing to split the string into two parts and swap them k times

• Complexity will be O(k) as we are swapping only k times

• Example: 'hello' rotated 2 times becomes 'llohe'
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Q1. Write an SQL query to find the 2nd largest salary
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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
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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
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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
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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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