Load Runner interview Questions & Answers -4


Q151. What Functions Would Be Generated When Selected Ajax Protocol ?
Answer : Web_Submit_Data();
Q152. How Many Types Of Checkpoints Are Available In Load Runner?
Answer :
Load Runner provides two types of checkpoints:
1. Text Checkpoints 2. Image Checkpoints
Q153. What Is The Host?
Answer :
Host is machine which executes the Vuser script.
Q154. What Is The Log?
Answer :
Log is level of information which we want to gather during run time.
Q155. What Is The Correlation?
Answer :
Corelation is used to obtain the data which are unique in every time of script run and which are generated by nested queries.
Q156. What Is The Goal-oriented Scenario?
Answer :
Goal-Oriented scenario allows Load Runner controller to create scenario based on goal which you specified.
Q157. What Is .lrs Files?
Answer :
Its extension of Load Runner Scenario files.
Q158. What Is The Lr Function?
Answer :
LR function is obtained the information about the running Vuser.
Q159. What Is The Load Generator?
Answer :
It generates the load by running the vusers.
Q160. What Is The Analysis?
Answer :
It helps you to view and analyze the performance results.
Q161. Where We Can Set The Number Of Repetitions?
Answer :
We can set the number of repetitions in Run Time Settings.
Q162. What Is The Load Runner?
Answer :
Load Runner is Mercury Interactive Load Testing tool.
Q163. What Is The Pause Command?
Answer :
It will change the status of running vuser to pause.
Q164. What Are Process For Developing A Vuser Script?
Answer :
There are five steps for developing a Vuser Script:
Record Vuser script
Edit Vuser script
Change Run Time Setting
Run Vuser script in standalone machine
Incorporate the Vuser script into Load Runner scenario
Q165. What Is The Protocol Function?
Answer :
Protocol function obtained the information about the type of Vuser.
Q166. What Is The Controller?
Answer :
It organizes, drive, manage, and monitor the load test.
Q167. What Is The Scenario Wizard?
Answer :
We can create new scenario through Scenario Wizard.
Q168. Which Component You Are Using For Recording The Vuser Script?
Answer :
We are using Vugen component for recording the Vuser script.
Q169. What Is The Manual Scenario?
Answer :
Manual Scenario manages the load test by specifying the number of vuser to run.
Q170. What Is The Syntax For Think Time?
Answer :
lr_think_time
Q171. What Is The Load Runner Agent?
Answer :
Agent is interface between controller and host machine.
Q172. What Is The Vuser?
Answer :
In Scenario, Load Runner replaces human user with Virtual User or Vuser. Vuser emulates the human action working with your application.
Q173. What Is The Vuser Script?
Answer :
The action that Vuser performances during the scenario are described in the Vuser script.
Q174. What Is The Run Logic?
Answer :
In Run Logic we can set the number of repetitions which are performing by Vuser.
Q175. What Is The Html Based Script?
Answer :
HTML based script generates separated steps for each user actions.
Q176. How To Load Load Runner Agent?
Answer :
Controller instructs the RCl to lunch the Load Runner Agent.
Q177. What Type Of Functions Are Generated And Inserted By Load Runner?
Answer :
Load Runner generated two types of functions:
LR Function
Protocol Function
Q178. What Is The Transaction?
Answer :
To measures the performance of the server, we define the Transaction.
Q179. What Is The Load Testing Process?
Answer :
Load Testing process have five steps:
Plan Test
Create Vuser script
Define Scenario
Run Scenario
Analyze Results
Q180. What Is The Load Runner Components?
Answer :
Load Runner have the five components:
Vuser Generator
Controller
Load Generator
Luncher
Analysis
Q181. How Many Types Of Scenario In Load Runner?
Answer :
Load Runner provides two types of scenario:
Manual Scenario
Goal-Oriented Scenario
Q182. What Is The Percentile Graph?
Answer :
It displays the percentage of transaction which was performed within given time.
Q183. What Is The Script View?
Answer :
Its text based view.
Q184. What Is The Pacing?
Answer :
In Pacing we can set the time to wait between each repetition.
Q185. What Is The Running Vuser Graph?
Answer :
It displays the number of Vusers that execute the Vuser script each seconds of scenario run.
Q186. What Are Changes We Can Make In Run Time Settings?
Answer :
We can set the Run Logic, Pacing, Log, Think Time.
Q187. What Is The Tree View?
Answer :
Tree view is icon based view.
Q188. What Is The Ramp-up And Where We Can Set This?
Answer :
Ramp-Up option used to increases the number of Vuser in server and we can set the option through scenario schedule.
Q189. How Many Types Of Correlation?
Answer :
Correlation is two types:
Manual Correlation
Automatic Correlation
Q190. What Is The Think Time?
Answer :
Think Time represent the actual time that we waited between the steps.
It is used for making the v-users wait for some time between the requests in order to simulate as if the real users are using the server.
Q191. What Is The Luncher?
Answer :
It provides single point of access for all load runner components.
Q192. Which Correlation Function You Have Used?
Answer :
web_reg_save_param
Q193. What Is The Action Section?
Answer :
In Action section, Load Runner records end user activities.
Q194. What Is The Url Based Script?
Answer :
It records all requests and resources from server.
Q195. What Is Extension Of Load Runner Result File?
Answer :
.lrr
Q196. What Does Result Window Contain?
Answer :
Result Window open with two panes:
Tree Pane
Summary Pane
Q197. How Do You Edit The Script?
Answer :
We can edit the script by inserting the Transaction Points and Rendezvous Points.
Q198. How Many Types Of Vuser Are Available In Load Runner?
Answer :
There are many types of Vuser like DB Vuser, SAP Vuser, Web Vuser, RTE, GUI Vuser.
Q199. How Can We View The Script?
Answer :
We can view the script through Tree View and Script View.
Q200. How Many Types Of Running Mode In Load Runner?
Answer :
Load Runner provides two types of recording level:
HTML based script
URL based script

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