TrusTrace Quality 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
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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Was around 1 hour with easy questions

Q1. Mostly questions were based on oops concepts
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ANYTHING

Q1. Topics of Java ,manual ,automation
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Q1. Previous experience
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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. Previous roles and responsibilities
Ans. 
Managed quality control processes, implemented quality standards, conducted audits, and trained staff.
• Managed quality control processes to ensure products met standards

• Implemented quality standards and procedures to improve overall quality

• Conducted audits to identify areas for improvement

• Trained staff on quality control processes and procedures
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Q2. Convenient for travelling
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Q1. How do you perform regression testing in complex feature
Ans. 
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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