Load Runner Interview Questions Part5
1. What is the Vuser in the Scenario?
Loadrunner replace the human user with Vuser.
2. What is Vuser script?
While run a scenario every Vuser execute a script that is known as Vuser script.
3. What the vuser script contain?
The Vuser script includes the function that measure and record the performance of the server during the scenario.
4. What is transaction?
Transaction measures time, which takes for the server to respond to task submitted my Vuser.
5. What is rendezvous point?
To emulate peak load on the srever.
6. When the rendezvous point is inserted?
when multiple Vuser to perform tasks at exactly the same time then insert the rendezvous point to emulate the peak load on server.
7. What is load runner controller?
Controller is managed and maintain the scenario. Using controller you control all the vuser in single work station.
8. What is host?
Host is machine which execute the Vuser script.
9. What are the load runner testing process?
There are five steps:
1. Planning the test.
2. Creating the Vuser script.
3. Creating the scenario.
4. Running the scanario.
5. Analysis the test result.
10. What is planning for test?
Define the performance testing requirements, for ex: Number of concurrent users, typical business processess and required response time.
11. What do you mean by creating Vuser script?
Creating Vuser script for emulate the action that virtual user perform during the scenario execution.
12. What are the processes for developing a Vuser script?
There are 5 steps for developing a Vuser script.
1. recording the Vuser script.
2. Edit the Vuser script.
3. runtime settings.
4. Run the vuser script in standalone mode.
5. Incorporate the Vuser script into a load runner scenario
13. How to create a scenario?
We have to install load runner controller to the host. then we include list of hosts (where Vuser script execute) then the list of Vuser script ( where Vuser run) and then list of vuser that run during the scenario.
14. What do you mean by remote command launcher?
RCL enables the controller to start the application on the host machine.
15. What is loadrunner agent?
Agent is interface between host machine and controller.
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