MPOWER Financing Senior 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. Coding questions related to array list
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Q2. Basic testing concepts
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Q3. To write SQL query
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Q4. Write test case by giving some scenario
Ans. 
Test case for login functionality
• Enter valid username and password, verify successful login

• Enter invalid username and password, verify error message displayed

• Leave username or password field empty, verify error message displayed
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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. 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. Basic question of API
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Q2. BE testing questions
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Q1. Sallary discussion
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Q2. Notice period discussion
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Q1. Testing concepts
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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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