Wipro Senior Performance Engineer Interview Questions and Answers

Q1. Why PT required?
Add your answer
Q2. Performance testing procedures for API
Ans. 
Performance testing procedures for API involve load testing, stress testing, and scalability testing.
• Conduct load testing to determine how the API performs under normal and peak load conditions.

• Perform stress testing to evaluate the API's stability and reliability under extreme conditions.

• Conduct scalability testing to assess the API's ability to handle increased workload by adding more resources.

• Monitor response times...read more
Answered by AI
Add your answer
Q3. APM tool use in PT?
Ans. 
APM tools are commonly used in Performance Testing to monitor and analyze the performance of applications under load.
• APM tools help in identifying performance bottlenecks and optimizing application performance.

• Examples of popular APM tools include New Relic, Dynatrace, AppDynamics, and Datadog.

• These tools provide real-time monitoring, alerting, and performance analytics to help improve application performance.

• APM tools...read more
Answered by AI
Add your answer
Q4. Root Cause analysis in PY
Ans. 
Root Cause analysis in PY involves identifying the underlying reason for performance issues.
• Identify the symptoms of the performance issue

• Gather data and metrics related to the performance problem

• Analyze the data to pinpoint the root cause

• Implement solutions to address the root cause
Answered by AI
Add your answer

Q1. Explain Performance Testing Life cycle
Ans. 
Performance Testing Life cycle involves planning, preparation, execution, analysis, and reporting.
• 1. Planning: Define objectives, select tools, and create test plan.

• 2. Preparation: Set up test environment, create test scripts, and configure monitoring.

• 3. Execution: Run tests, monitor performance metrics, and collect data.

• 4. Analysis: Analyze results, identify bottlenecks, and optimize performance.

• 5. Reporting: Generate...read more
Answered by AI
Add your answer
Q2. Explain correlation and Parameterization
Ans. 
Correlation is used to handle dynamic values in scripts, while Parameterization is used to pass different values to the script.
• Correlation is used to extract dynamic values from server responses and replace them in subsequent requests.

• Parameterization is used to pass different sets of data to the script for testing different scenarios.

• Correlation is important for maintaining session integrity and ensuring accurate test...read more
Answered by AI
Add your answer

Q1. Asked some performance basics to advanced level questions, somecoding questions.
Add your answer
Q2. What is PTLC in testing?
Ans. 
PTLC stands for Performance Testing Life Cycle, which is a process followed in performance testing to ensure the performance of a system.
• PTLC involves planning, preparation, execution, and analysis of performance tests.

• It includes defining performance goals, creating test scenarios, executing tests, and analyzing results.

• PTLC helps in identifying performance bottlenecks and optimizing system performance.

• Example: In PTL...read more
Answered by AI
Add your answer
Q3. Make a python script that captures resources of a system.
Ans. 
Python script to capture system resources
• Use psutil library to access system resources

• Collect CPU, memory, disk, and network usage data

• Display the captured resources in a readable format
Answered by AI
Add your answer
Q4. What is network bandwidth constraint in testing?
Ans. 
Network bandwidth constraint in testing refers to limitations on the amount of data that can be transmitted over a network during testing.
• Network bandwidth constraint can impact the performance of an application or system being tested.

• It can lead to slow response times, timeouts, or even failures during testing.

• Examples of network bandwidth constraints include limited bandwidth on a shared network, network congestion, ...read more
Answered by AI
Add your answer
Q5. What is use of timers in JMeter?
Ans. 
Timers in JMeter are used to simulate real user behavior by adding delays between requests.
• Timers help in controlling the load on the server by adding delays between requests.

• They can be used to simulate realistic user behavior by adding random or constant delays.

• Examples of timers in JMeter include Constant Timer, Gaussian Random Timer, and Uniform Random Timer.
Answered by AI
Add your answer

Q1. What is the performance testing
Ans. 
Performance testing is a type of testing to ensure software applications perform well under expected workload.
• Performance testing evaluates the speed, responsiveness, and stability of an application under various load conditions.

• It helps identify bottlenecks, performance issues, and areas for improvement in the application.

• Types of performance testing include load testing, stress testing, and scalability testing.

• Tools ...read more
Answered by AI
Add your answer
Q2. What is the correlation
Ans. 
Correlation is a statistical measure that describes the strength and direction of a relationship between two variables.
• Correlation values range from -1 to 1, with 0 indicating no correlation, 1 indicating a perfect positive correlation, and -1 indicating a perfect negative correlation.

• Positive correlation means that as one variable increases, the other variable also increases. Negative correlation means that as one var...read more
Answered by AI
Add your answer
Q3. Performance testing is used for checking the application behavior in terms of speed stability and scalability under various of work load
Add your answer
Q4. Correlation : Means replacing dynamic value by a parameter.In Correlation handling Dynamic Data generated by Server side.
Add your answer

Q1. What are the HTTP responses explain
Add your answer
Q2. Tell about correlations
Add your answer

Q1. What is Performance Testing?
Ans. 
Performance testing is a type of software testing that evaluates the speed, responsiveness, and stability of an application under various load conditions.
• Measures the system's response time, throughput, and resource utilization

• Identifies performance bottlenecks and areas for optimization

• Types include load testing, stress testing, and scalability testing

• Examples: simulating thousands of users accessing a website simulta
Answered by AI
Add your answer
Q2. What is correlation and Parameterization?
Ans. 
Correlation is the process of extracting dynamic values from server responses and passing them to subsequent requests. Parameterization is the process of replacing hard-coded values in scripts with variables.
• Correlation involves identifying and capturing dynamic values such as session IDs, tokens, or timestamps from server responses.

• Parameterization involves replacing hard-coded values in scripts with variables to make...read more
Answered by AI
Add your answer

About work experience

Company basics personal data