Load Runner Interview Questions and Answers
Question - 71 : - What is the difference between Overlay graph and Correlate graph?
Answer - 71 : -
- Overlay Graph: It will overlay the content of two graphs that share a common x-axis
- Correlate Graph: It will Plot the Y-axis of two graphs against each other.
Question - 72 : - What is Elapsed Time in Load Runner?
Answer - 72 : -
Elapsed time designates how much time has passed since the launch of the current event and is measured differently for different screens as given below –
In Scenario Status Window – Elapsed time is measured from the moment you hit “Start Scenario” or ” Initialize/Run Vuser?” button.
In “Vuser” window elapsed time is measured from the moment Vuser enters “running” state.
Question - 73 : - What is the relationship between Response Time and Throughput?
Answer - 73 : -
The Throughput shows the amount of data in bytes that the Vusers received from the server in a second. When It is compared with transaction response time, throughput and response time get decreased.
The peak throughput and highest response time would occur approximately at the same time.
Question - 74 : - What do vuser_init and vuser_end action contain?
Answer - 74 : -
Vuser_init action contains procedures to log in to a server and Vuser_end section contains logoff procedures.
Question - 75 : - What is the difference between standard log and extended log?
Answer - 75 : -
The standard log sends a subset of functions and messages to the output log and subset of functions depends on the Vuser type.
Extended log sends a detailed script execution messages to the output log. It is mainly used during debugging when a user needs information about Parameter substitution.
Question - 76 : - What are all the types of Goals in Goal-Oriented Scenario of Load Runner?
Answer - 76 : -
Load Runner provides you with five different types of goals:
- Number of concurrent Vusers
- Number of hits per second
- Number of transactions per second
- Number of pages per minute
- Transaction response time
Question - 77 : - What is a function to capture dynamic values in the web vuser script?
Answer - 77 : -
Web_reg_save_param is the function that saves dynamic data information to a parameter.
Question - 78 : - What is the Load Runner testing process?
Answer - 78 : -
Following are the testing process in LoadRunner:
- Plan load test
- Create Vuser Scripts
- Define Scenario
- Run Scenario
- Analyze results
Question - 79 : - What is remote command launcher?
Answer - 79 : -
The remote command launcher enables the controller to start applications in the host machine.
Question - 80 : - How can we develop the database vuser script?
Answer - 80 : -
Vuser scripts can be developed either by recording with the load vuser script generator or by using the Load runner vuser script template.