TCS Performance Engineer Interview Questions and Answers

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. Reverse if a number program
Ans. 
Reverse a given number program
• Take the input number

• Initialize a variable to store the reversed number

• Loop through the digits of the input number from right to left

• Add each digit to the reversed number variable

• Print the reversed number
Answered by AI
Add your answer
Q2. Basics about c and oops
Add your answer

Q1. Load runner related
Add your answer
Q2. What is correlation
Ans. 
Correlation is a statistical measure that describes the relationship between two variables.
• Correlation can range from -1 to 1, with 1 indicating a perfect positive correlation, -1 indicating a perfect negative correlation, and 0 indicating no correlation.

• Correlation does not imply causation, meaning just because two variables are correlated does not mean that one causes the other.

• For example, if there is a positive cor...read more
Answered by AI
Add your answer

About work experience

Company basics personal data

Q1. Minimal performance test
Add your answer