CARS24 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
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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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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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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Binary Search questions were asked

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Q1. Salary Questions were asked
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Q2. Salaryyy questions were asked
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Q1. Tell something about yourself
Ans. 
I am a dedicated and hardworking individual with a passion for learning and growth.
• I have a Bachelor's degree in Business Administration

• I have 3 years of experience in marketing and sales

• I am fluent in English, Spanish, and French
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Q2. Previous job experience
Ans. 
I have 5 years of experience working in marketing and sales roles at a Fortune 500 company.
• Managed marketing campaigns and strategies to increase brand awareness

• Developed sales tactics to drive revenue growth

• Collaborated with cross-functional teams to achieve business objectives
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Q1. What was your job role in previous company?
Ans. 
I was responsible for managing the marketing campaigns and social media presence of the company.
• Managed marketing campaigns to increase brand awareness

• Handled social media accounts to engage with customers

• Analyzed data to measure the effectiveness of marketing strategies
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Q2. How you handle the customer on calls?
Ans. 
I handle customer calls by actively listening, empathizing with their concerns, and providing solutions in a professional and friendly manner.
• Active listening to understand the customer's issue

• Empathizing with the customer's concerns to show understanding

• Providing solutions or assistance in a professional and friendly manner

• Ensuring clear communication and follow-up if needed
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Q1. Why you left the previous job?
Ans. 
Seeking new challenges and opportunities for growth.
• Desire for career advancement

• Seeking new challenges

• Opportunity for professional growth

• Company restructuring

• Relocation
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Q2. Anything you would like to ask?
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Q1. All basics of manual Testing, and they will ask real time scenarios, eg :- write test cases on chare or door etc Also oops concepts
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Q2. Difference between retesting and regression Testing
Ans. 
Retesting is testing the same functionality again after fixing defects. Regression testing is testing the unchanged functionality to ensure it still works.
• Retesting is done to ensure that the defects found in the previous testing cycle have been fixed.

• Regression testing is done to ensure that the changes made to the software have not affected the existing functionality.

• Retesting is done after the defects have been fixe...read more
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Q1. How do u handle work pressure
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Q1. Introduce yourself
Ans. 
I am a highly motivated and detail-oriented individual with a background in marketing and a passion for data analysis.
• Background in marketing

• Passion for data analysis

• Highly motivated and detail-oriented
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Q2. Why did you choose BPO
Ans. 
I chose BPO because of the opportunity to work with diverse clients, develop strong communication skills, and gain valuable experience in a fast-paced environment.
• Opportunity to work with diverse clients

• Develop strong communication skills

• Gain valuable experience in a fast-paced environment
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Q1. Introduce yourself
Ans. 
I am a highly motivated and detail-oriented individual with a background in marketing and a passion for project management.
• Background in marketing

• Passion for project management

• Detail-oriented

• Highly motivated
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Q2. What is sales and how to talk with customer
Ans. 
Sales is the process of selling products or services to customers by understanding their needs and providing solutions.
• Build rapport with the customer by actively listening and asking questions to understand their needs

• Highlight the benefits of the product or service that meet the customer's needs

• Handle objections by addressing concerns and providing additional information or alternatives

• Close the sale by asking for th...read more
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