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ZS Performance Test Engineer Interview Questions and Answers
ZS Performance Test Engineer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Referral and was interviewed before Jun 2023. There were 3 interview rounds.
Array and bit manipulation
Array and basic recursive logic
Explain various scenes how to find bottle neck of an application
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Interview questions from similar companies
I applied via LinkedIn and was interviewed in Feb 2021. There were 3 interview rounds.
Interview Questionnaire
8 Questions
- Q1. Tell me about your self?
- Q2. Performance testing tools
- Q3. Challenges faced in scripting
- Ans.
Scripting challenges include dynamic parameters, correlation, and handling complex scenarios.
Dynamic parameters require capturing and replacing values in scripts
Correlation involves identifying and handling dynamic values in responses
Complex scenarios require careful planning and scripting to ensure accurate simulation
Debugging and troubleshooting can be time-consuming and require attention to detail
- Q4. Monitoring tools, you have worked on?
- Ans.
I have worked on various monitoring tools such as JMeter, LoadRunner, and Gatling.
JMeter for load testing web applications
LoadRunner for performance testing client-server applications
Gatling for stress testing and real-time monitoring
- Q5. What is performance test plan
- Ans.
A performance test plan is a document that outlines the objectives, scope, approach, and resources required for conducting performance testing.
Defines the goals and objectives of the performance testing
Specifies the scope of the testing, including the systems, components, and functionalities to be tested
Outlines the test approach, including the tools, techniques, and methodologies to be used
Identifies the performance m...
- Q6. What metrics are collated in Test results report
- Ans.
Test results report collates metrics related to performance, load, stress, and scalability testing.
Response time
Throughput
Error rate
CPU usage
Memory usage
Network usage
Concurrent users
Transactions per second
Peak response time
Peak throughput
Peak error rate
- Q7. Types of Performance tests you have executed?
- Ans.
I have executed load, stress, endurance, spike and scalability tests.
Load testing to check system performance under normal and peak load conditions.
Stress testing to identify system breaking point and measure its recovery time.
Endurance testing to check system performance under sustained load conditions.
Spike testing to check system performance under sudden load spikes.
Scalability testing to check system performance un...
- Q8. Workload modeling, how you will design it
- Ans.
Workload modeling involves designing a realistic simulation of user behavior and system usage.
Identify user personas and their typical actions
Determine the frequency and duration of each action
Consider peak usage times and seasonal variations
Use real-world data and historical trends to inform the model
Validate the model through testing and iteration
Interview Preparation Tips
Skills evaluated in this interview
I applied via campus placement at KIIT University, Bhuvaneshwar and was interviewed in Sep 2024. There was 1 interview round.
(2 Questions)
- Q1. Introduce yourself
- Ans.
I am a performance analyst with a background in data analysis and reporting.
Experienced in analyzing performance metrics and identifying trends
Proficient in using data visualization tools like Tableau and Power BI
Skilled in creating reports and presentations for stakeholders
Strong attention to detail and ability to communicate complex data effectively
- Q2. Some resume ques
Interview Preparation Tips
I applied via Referral and was interviewed in Dec 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Order of elements in Jmeter
- Ans.
In JMeter, elements are executed in the order they appear in the test plan.
Elements in JMeter are executed sequentially from top to bottom in the test plan.
The order of elements can be adjusted by moving them up or down in the test plan.
Examples of elements in JMeter include Thread Group, Sampler, Listener, and Controller.
- Q2. How to capture the whole response data in jmeter
- Ans.
To capture the whole response data in JMeter, use the View Results Tree listener.
Add a View Results Tree listener to the test plan
Run the test and view the response data in the listener
You can also save the response data to a file for further analysis
(2 Questions)
- Q1. Mention few challenges faced in project and it got resolves
- Ans.
One challenge faced was inadequate hardware resources, which was resolved by optimizing test scripts and using cloud-based load generators.
Inadequate hardware resources led to performance bottlenecks
Optimized test scripts to reduce resource consumption
Utilized cloud-based load generators to distribute load and improve performance
- Q2. Where do you want to see yourself in 5 years
Skills evaluated in this interview
Exam is based out of quants,java,SQL(everysection 15que)
Prepare some topics in google
(1 Question)
- Q1. Prepare basics of programming
(1 Question)
- Q1. General questions of your personal
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Feb 2021. There were 3 interview rounds.
Interview Questionnaire
8 Questions
- Q1. Tell me about your self?
- Q2. Performance testing tools
- Q3. Challenges faced in scripting
- Ans.
Scripting challenges include dynamic parameters, correlation, and handling complex scenarios.
Dynamic parameters require capturing and replacing values in scripts
Correlation involves identifying and handling dynamic values in responses
Complex scenarios require careful planning and scripting to ensure accurate simulation
Debugging and troubleshooting can be time-consuming and require attention to detail
- Q4. Monitoring tools, you have worked on?
- Ans.
I have worked on various monitoring tools such as JMeter, LoadRunner, and Gatling.
JMeter for load testing web applications
LoadRunner for performance testing client-server applications
Gatling for stress testing and real-time monitoring
- Q5. What is performance test plan
- Ans.
A performance test plan is a document that outlines the objectives, scope, approach, and resources required for conducting performance testing.
Defines the goals and objectives of the performance testing
Specifies the scope of the testing, including the systems, components, and functionalities to be tested
Outlines the test approach, including the tools, techniques, and methodologies to be used
Identifies the performance m...
- Q6. What metrics are collated in Test results report
- Ans.
Test results report collates metrics related to performance, load, stress, and scalability testing.
Response time
Throughput
Error rate
CPU usage
Memory usage
Network usage
Concurrent users
Transactions per second
Peak response time
Peak throughput
Peak error rate
- Q7. Types of Performance tests you have executed?
- Ans.
I have executed load, stress, endurance, spike and scalability tests.
Load testing to check system performance under normal and peak load conditions.
Stress testing to identify system breaking point and measure its recovery time.
Endurance testing to check system performance under sustained load conditions.
Spike testing to check system performance under sudden load spikes.
Scalability testing to check system performance un...
- Q8. Workload modeling, how you will design it
- Ans.
Workload modeling involves designing a realistic simulation of user behavior and system usage.
Identify user personas and their typical actions
Determine the frequency and duration of each action
Consider peak usage times and seasonal variations
Use real-world data and historical trends to inform the model
Validate the model through testing and iteration
Interview Preparation Tips
Skills evaluated in this interview
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