LoadRunner Interview questions

•  What is the difference between running Vuser as a process and as a thread? When will you use Vuser as a thread?
• 
  
• WRSP (web_reg_save_param statement) - attributes RelFrameID and IgnoreRedirect - practical usageUse of Advance Trace options

• What is the significance of Thinktime? Does improper assignment of thinktime effect the metrics/counters?

• Have u ever used SiteScope? Which version of it?

•  In auto correlation option - Is there any way to assign a name to the dynamic parameter instead of renaming it

·        Usage of web_custom_request - (a brief about recording options and your preferences)

·         Difference between Web(Click and Script) and Web(HTML/HTTP)?

·       
Differentiate web_url and web_link

·        How do you decide Ramp-up time

·        What are the different Scenario types available in the controller? Which one do you prefer and why?

·        How to decide total number of Vusers to participate in the load testing? Is there a certain formula that your organisation followed to decide number of Vuser, TPS, HPS etc.,?

·         performance testing phases and your involvement?

·         How Vuser is different from real user/End user?

·         How do I handle a hypothetical scenario wherein you need to capture a dynamic value that has no right boundary (another scenario, wherein the RB is dynamic)

·         List the attributes of web_reg_save_param

·         How do you calculate the number of Vusers, time-duration, Hits per second and other metrics to reach a goal of  30 TPS (Transactions per second) without using Goal-oriented scenario? (is there any formula)

·        
What is difference between HPS (Hits per section) and TPS ?

·         Tell the entire process or life cycle of performance testing?

·         Are you comfortable working on .Net framework, IIS servers?

How much do you rate yourself in scripting (on VuGen)?

·         Tell me few enhancements done to the script?

·         How to increase timeout?

·         Have you ever drilled-down the performance metrics to find out a bottleneck?

·         Have you got an opportunity to fine tune an application.

·         Tell me about your current project and responsibilities.

what are multi-way joins, indexes and spin counts are and what affect they have on a database server

·         Your day-to-day activities as a performance test analyst?

·         What are the enhancement(s) that you have done?

Major challenges in scripting?

·         What is significance of WRSP (web_reg_save_param)?

·         Have you ever used built-in function in your scripts?

·         What is IP spoofing? What happens if I do not use IP spoofing?

List me few counters which you often monitor?

·         what is your current projects architecture, including the version numbers?

·         How do you handle dynamic Item-data/Form data?

·         what is significance of sprintf, atoi, itoa, lr_paramidx?

·         What is transaction time?

How much comfortable are you with C Language?

Which framework are you comfortable in .Net or J2EE?

·         List me few disadvantages of SiteScope 9?

·         Which version of SiteScope are you using right now?

Run-time setting that you prefer?

·         Explain few runtime settings?

What are the different types of performance testing activities that you are involved in? (perf testing types)

·         What is the difference between lrd_stmt and lrd_fetch?

How to handle downloading PDFs in VuGen?

Advance trace option (in run-time log settings)?

·         WRSP (web_reg_save_param statement)

·         How to capture an OK button within a particular frame when there are multiple frames?

·         How comfortable are you on Analysis using LoadRunner Analysis tool?

Have you ever used performance center?

·         Tell me a few basic monitoring counters that you often work?

·         What is the difference between private bytes and available bytes?