Loadrunner Interview quetion & answers

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HP Loadrunner Interview Question Answers
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1. What is Performance testing?
Execution testing is done to assess applications
execution under burden and stretch conditions. It
is for the most part measured as far as reaction
time of client's activity on application.
2. What is Load testing?
Load testing is to figure out whether an
application can function admirably with the
substantial use coming about because of an
extensive number of clients utilizing it at the
same time. Burden is expanded to reproduces the
top load that the servers are going to take amid
most extreme use periods.
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3. What are all the components of LoadRunner?

• Following are the components of LoadRunner
• The Virtual User Generator
• Controller, and the Agent process
• LoadRunner Analysis and Monitoring
• LoadRunner Books Online

4. What is load runner Agent.
Operator is interface between host machine and
controller
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5. What is load runner?
Load Runner is an execution testing apparatus
from HP. This instrument bolsters all angles, for
example, Load, Stress, Endurance, information
volume and spike Testing.
6. What is a scenario?
A scenario is nothing but an event that occurs
for each testing session. For example, a scenario
defines Number of users Action to be
performed Virtual machines system
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7. How can we perform functional testing under
load?
Functionality under burden can be tried by
running a few Vusers simultaneously. By expanding
the Vusers, it is important to decide the amount
of burden the server can support.
8. What is the difference between standard log
and extended log?
The standard log sends a subset of capacities
and messages to the yield log and subset of
capacities relies on upon the Vuser sort.
Extended log sends an itemized script execution
messages to the yield log. It is predominantly
utilized amid troubleshooting when client needs
data about Parameter substitution.
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9. What are the Load Runner testing process?

• Following are the testing process in LoadRunner
• Plan load test
• Create Vuser Scripts
• Define Scenario
• Run Scenario
• Analyze results

10. How do you load a load runner Agent?
While running the situation, loadrunner
controller trains the remote operator dispatcher
to dispatch loadrunner specialist. The controller
educates the loadrunner operator to instate, run,
delay and stop the vusers.
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11. What are the advantages of load runner?
Taking after are the upsides of Load Runner
Reduces human intercession Reduces the
prerequisite of the frameworks Helps in the
better utilization of time and cash Effective
usage of computerization Single point execution
12. What are the changes that can be made to
run-time settings?
There are four run-time settings that can be
made Pacing This contains emphasis check.
Log Logging can be set to standard or
handicapped.
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Think Time Capable of setting think time
to be disregarded or replayed. General
Allows the setting of Vusers for procedures or
multithreading.
13. How can we find database related issues?
Screens and the Data Resource Graph can be
utilized to discover database related issues.
LoadRunner permit the analyzer to indicate the
asset that should be measured before the
controller is run.
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14. What is Vusers?
Vuser In LoadRunner virtual client are utilized
to perform the errand which is executed by the
human on the application. Vuser perform the
activity of human working with application. At
the point when workstations permit one and only
single human client to work, Many V users can
simultaneously take a shot at a solitary
workstation.
V user Scripts It is the script which contain s
all the points of interest of the work performed
by the Vuser to finish the particular errand.
Each Vuser executes a Vuser script when we run a
situation. Vuser script contains the capacity
that quantify and record the execution of the
application or application segments.
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15. Explain LoadRunner Testing process?
We can easily create and run load test scenario
by following below processPlanning test a
thorough test plan is required for successful
load testing.Creating Vuser Script script
contain task performed by each Vuser or multiple
Vuser.Creating the Scenario Scenario describes
event that occur during a testing session. It
includes list of machine on which Vuser run, list
of script that Vuser run and no of Vuser.- 
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Running the Scenario emulate load on server by
instructing multiple Vusers to perform
task.Monitoring Scenario By executing LR online
run-time, transaction resources, database
resources and firewall resources can be
monitors. Analyzing results Graphs and reports
are used to analyze the performance of
application.
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