HP Certification Details

8/10/2019 HP Certification Details

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Mock Exam – Performance Testing Capability

Participant's Name: _________________________________________

SCORE

NOTE: This test consists of 85 items and each item will be given a weight of 1 point.For items with multiple answers, it will be ALL or NOTHING.

Part 1: VuGen and Scripting

1. Which programming language is commonly used for Vugen scripts?JAVAHTML

ANSI-CVB ScriptingVisual Basic

2. You want Vugen to not generate any lr_think_time functions in your script. What can be modified inthe default settings to accomplish this?

Modify the Run-time Settings and select Ignore think time.Modify the Run-time Settings and select to multiply recorded think time by 0.Modify the Recording Options and deselect the Generate think time greater than threshold.Modify the Recording Options and deselect the Generate fixed think time after end

transaction.

3. How do you initialize a variable in VUGen? Choose all that apply.int var1,int var1;int var1=2;int var1 ==2;

4. Match the following information:a. Recording toolbar __B__ Contains commands which connect Vugen to

other applications such as LoadRunnerController, Quality Center and PerformanceCenter

b. Tools toolbar __D__ Contains buttons such as breakpoints and stepby step validation of the script

c. Tree toolbar __C__ Contains commands which allow the user to editVuser steps from the tree view

d. Debug toolbar __A__ Contains replay, start, stop and insert tractionbuttons

5. The parameter braces can be changed/defined in Vugen.TrueFalse

6. What are the different update methods? Choose all that apply.Each OccurrenceEach IterationOnce




7. In the statement below, what needs to be added to obtain and display the current value of parameter"customer"?

lr_error_message(“Customer %s account not found”, ________________); Text=customercustomerlr_eval_string(“{customer}”) param=customer

8. What are the types of Parameter? (select all that apply)External DataInternal DataData FilesUser-Defined Functions

All of the above

9. Think time within a transaction by default is included in the transaction time.TrueFalse

10. A function that can be used in correlation.

lr_eval_stringlr_save_varlr_ito_char

11. Used in documenting business processes and create reports with summary information about yourtest run. This contains information such as Parameter List, Snapshots, Step Descriptions etc.

Business Process ReportsHTML ReportsCrystal Reports

12. The AND operator, which is used in combining two simpler Boolean Expressions&&&

||

13. Used to comment a single line in Vugen//*//*

14. A placeholder used to introduce a variety of input values during testingVariableParameterCorrelation

15. What should you do prior to automatic correlation after recording?

None. You cannot automatically correlate after recordingRun the script at least onceTake note of dynamic values in the LoadRunner Script

16. Pauses between iterations.Think TimeLogPacingSequencing

17. Which script runtime-setting is present in all protocols?




GeneralNetworkBrowser

18. Which of the following are Run Properties used in setting the Run Logic in Vugen?UniqueSequentialRandom

19. Context sensitive recording that uses web_submit_formURL-basedHTML-based

20. Analog recording that uses web_submit_dataURL-basedHTML-based

21. What function is generated in the Vugen Script after clicking the boxed icon below, in the floatingtoolbar during recording?

web_text_link

web_reg_findweb_reg_dialog

22. What is being illustrated in the boxed area below?Task PaneInformation PaneSummary Pane

23. What is being illustrated below?Test Results Window




Playback Summary WindowResults Summary Window

24. What is the correct syntax to be able to complete 10 iterations in a FOR loop?for (i=1; i<10; i++)for (i=1; i>=10; i++)for (i=1; i<=10; i++)

25. Where will you configure Vugen to prompt for results directory before playback?Run-time SettingsGeneral OptionsRecording Options

26. What function causes the script to use the next available value of the parameter?lr_next_paramlr_advance_paramlr_param_increment

27. What Vugen functionality is illustrated below?Simulate ParameterIterationData Wizard

28. When you forgot to enable correlation during recording, what is the most efficient way to includethese correlations in your script?




In Recording Options – Correlations: Select ‘Enable correlation during recording’, select therule and regenerate the script

In Recording Options – Correlations: Select ‘Enable correlation during recording’, select therule and re-record the script

Under Vuser menu, click ‘Scan Script for Correlations

29. When you forgot to enable correlation during recording, what is the most efficient way to includethese correlations in your script?

You do not need to do anything. Auto Correlation rules are global and are available to alltesters using the same Controller machine.

Under the File menu, you select Zip Operations, then export to zip file. You have the newtester import the file into his script.

You export the correlation rules to a .cor file and then have the new team member import the.cor file into his Auto Correlation rules.

30. You want to have your script always check for the following text on every page: “Service Unavailable”.What is the most efficient way to accomplish this?

Add a verification checkpoint on every page Add an Environment Check for the textCreate a Content Check rule for the text

31. You want to apply Script A Run-time settings, parameters, extra files and actions to Script B. How canthis be accomplished?

Export Script A setting to a .cor file, then import settings to Script BSave Script A as template, then apply the template to Script BSelect the option to create a new Vuser from, then select Script A

32. You want to have your script define a different e-mail address to each user during a registrationprocess for an e-commerce site, using the following format: [email protected]. Your script willexecute a maximum of 50 iterations. How can this be accomplished?

Define a file parameter, start at 1, block size per Vuser: 50, number format:testing%[email protected]

Define a unique parameter, start at 1, block size per Vuser: 50, number format:

testing%[email protected] a random number parameter, minimum number: 1, maximum number: 99999, number

format: testing%[email protected] a sequential number parameter, minimum number: 1, maximum number: 999, number

format: testing%[email protected]

33. Where should you place the web_reg_save_param function in a script?Before the page that contains dynamic dataBefore a web_url functionBefore the page that retrieves the dynamic dataBefore a web_submit_data function

Part 2: Performance Testing Concepts, Controller and Analysis

34. Gives us the information on the number of users for a particular transaction and the time of the load.The peak usage and off-usage are decided from this.

Task Distribution DiagramBusiness Process MappingSystem ArchitectureTransaction Profile

35. In the sample task distribution profile shown below, when does the least database activity occur?




8 to10 AM10 AM to 12 PM12 to 2 PM6 to 8 AM

36. Select the three criteria by which you will identify the business processes (BPs) to use for aperformance test.

Passed unit testingMission-critical BPsUses unique dataReturns dynamic dataHeavy throughputInclude all BPs

Affects legacy systems

37. One of your customer’s requirements is that their web site should be able to handle 25,00 0 users atany time, logging in and performing different transactions. Part of your information gathering is todetermine concurrency. What level of concurrency represents the customer’s requirement?

ApplicationBusinessTransaction

38. Complete the statement: To validate that the hardware to be used for the test environment issufficient to meet the performance tests, a ____________________ is performed using a smallnumber of business processes and users.

Production RunBenchmark Run

Aggregation RunRun for Tuning

39. What type of information will you need to gather to determine how business processes affect differentcomponents in the system architecture? This is especially useful during the load test; it can helpisolate the source of bottlenecks.

Task Distribution DiagramSystem MonitoringTranscontinental Remote Users




Business Process Mapping

40. Match the scenario type with the action being described.a. Top time Transactions Run __D__ This scenario run shows the responsiveness of a

site under low stress and helps you validatebusiness process functions for concurrentusage, with data being used in the test.

b. Full Load Run __B__ This scenario applies the entire load through slowramp-up. The scenario is repeated until anybottlenecks found are investigated and correctedfor optimum system performance.

c. Scalability Run __C__ This scenario allows you to see the final limits ofthe system and helps determine a safety factorfor your system.

d. Debug Run __A__ This scenario is run to help you isolate theslowest transactions and helps you identify anysystem bottlenecks on major problem areas.

41. Which of the following would most likely represent a system under test (with respect to flow of datafrom the user).

client -> app server -> web server -> database serverclient -> web server -> app server -> database serverclient -> database server -> web server -> app serverall of the above

42. What is the best practice for choosing monitor measurements for follow-up load test? Add the default measurements Add specific measurements after discussing with the subject matter expertsboth

43. Which statement is an example of a conceptual goal?The update transaction should function during heavy usage.The update transaction must attain 200 concurrent users during peak time.

The search transaction should respond within 5 seconds during normal usage.The login transaction should respond within 4 seconds or less during heavy usage.

44. Data resident in your database whose existence is essential for conducting business.Master DataUser-generated DataExternal Data

45. Data which may be impossible to know before the application is run.Master DataUser-generated DataExternal Data

46. A performance test objective that defines that the system is stable enough to go into production.Reliability AcceptanceProduct Evaluation

47. The LoadRunner component which can be installed in UNIX.VugenLoad Generator

Analysis




48. Set of user steps performed within an application to accomplish a business goalTest ScriptFunctional StepsBusiness Process

49. Which is illustrated by a username and a password?Date ConstraintUnique ConstraintData CachingData Dependency

50. Where can you find your license key information?LR Launch ScreenLR ControllerLR VuGenLR Analysis

51. What are the two main types of Service Level Agreements available in the Controller and Analysis?Per Time IntervalErrors per Second

Over the Whole Run Average Hits per Run Average Throughput per Run Average Transaction Response Time

52. What is the maximum number of graphs that can be displayed in LoadRunner?481624

53. What are some of the scenario run-time settingsVuser quota

Random sequence seedRun-logicPacing

54. In the Controller: ramp up, duration and ramp down are found under:ScheduleEdit scheduleScenario ScheduleRun-time settings

55. The Controller is installed in which machine?Windows machineUNIX machine

Both of themNone of them

56. Where can you not add a rendezvous?Init

ActionEnd

57. What is the LoadRunner term used to define a collection of Vusers within a scenario?Set




GroupProfileScenario

58. In General Options, this tab allows you to toggle between running a Vuser script in animated mode ornon-animated mode.

Replay TabParameterization TabEnvironment TabDisplay Tab

59. There are four types of licenses. Match each based on the description.a. Temporary __B__ The license never expires.b. Permanent __D__ The license is limited by a start date and an

expiration date.c. VUD-based __A__ The license is granted for a pre-defined number

of days after product installation.d. Time-limited __C__ The license is limited by a number of Virtual User

Days. This license enables the user to use theproduct an unlimited number of times within a

period of 24 hours.e. Plugged __E__ The license requires a dongle.

60. Which can be added to the script to emulate heavy user load?Load GeneratorsRendezvous PointsThink TimeCorrelations

61. I want to distribute the Vuser to each script via percentage assignment. Which option should I choosewhen creating a scenario?

Manual ScenarioGoal-Oriented Scenario

Both Manual and Goal-Oriented ScenarioSimulated Scenario

62. What is the status of the load generator if a connection from the Controller to the load generator couldnot be established?

FailedDownReadyConnecting

63. How many complete transactions will there be per minute, if a test will run for 2 hours with 5000users, if 1 iteration is completed in 5 minutes?

1,000

5001,200

64. Ways on how to schedule a scenario in terms of applying settings to the Vusers.ManualGoal-OrientedScenarioGroup




65. You are running a test and notice that during the ramp-up, the response times are beginning todrastically increase. How can you instruct LoadRunner to stop ramping-up Vusers and hold thecurrent number?

Press the STOP button on the Controller’s main window Press the PAUSE button on the Interactive Schedule GraphSelect the option to wait for the current iteration to end before stoppingSelect the Vusers in the Ready state from the Vusers window and click the STOP button

66. What does the elapsed time in the Scenario Status window refer to?The time that has elapsed from when all Vusers have finished initializingThe time that has elapsed from when all Vusers were in the running stateThe time that has elapsed from when you press the Start Scenario button The time that has elapsed from when the Vuser entered the running state

67. You configure a scenario to start with a delay of 5 hours just before leaving from work. You return thenext morning to find that the scenario did not run. Why would this happen?

You failed to save the scenarioYou failed to save the scheduleYou failed to connect to the load generatorsYou failed to press the Start Scenario button

68. You are running a load test to simulate a call center. The representatives log in to the application inthe morning, perform their business processes during the day, and logout before leaving at the end ofthe day. You notice that the login transaction is failing for some users and none of the users havestarted their business processes. Which configuration is most likely defined in your scenario?

The login business process is in the vuser_init section and the Vusers are defined to initializeall Vusers before running.

The login business process is in the vuser_init section and the Vusers are defined to initialize1 Vuser every 10 seconds.

The login business process is in the action section and the Vusers are defined to initialize allVusers before running.

The login business process is in the action section and the Vusers are defined to initialize 1Vuser every 10 seconds.

69. When analyzing the Vuser log files from a scenario run, you see the following log file from one of theVusers:

Start auto log message stack – Iteration 1.Starting action Create.Create.c(5): Notify: Transaction Login started.Create.c(7): Error -27728: Step download timeout (1000 seconds).End auto log message stack.

What was the Run-time Setting, Logging option set to?Standard LoggingExtended Logging

Always send a messageSend a message only when error occurs

70. You want to emulate a call center for an airline. All representatives login in the morning, perform theirbusiness processes, and logout at night. In one day, a representative will create 40 flightreservations, modify 10 flight reservations and search for 20 flight reservations. A representativecannot perform a modify without performing a search first. Which run logic will satisfy the load testinggoal?

Create-67%; Search-16%; Block0 [Search, Modify]-17%Create-57%; Search-29%; Block0 [Search, Modify]-14%Create-57%; Search-29%; Modify-14%Create-67%; Search-16%; Modify-17%




71. When the CPUs of servers show different % Utilizations, this could be due to a load balancing issue.Which behavior is an indicator of this scenario?

Throughput goes up and downThe number of connections differs widely from each serverNetwork latency is highTime to first buffer is high

72. You want to modify the Server Resource Monitor Data Sampling Rate. However, this option iscurrently disabled. What should you do to remedy this?

Start the wlrun.exe process on the Controller machineClose the scenario; start the rstat.exe process on the load generator; reopen the scenarioDisconnect from the Load Generator; modify the data sampling rate; reconnect to the load

generator Do nothing as Monitoring of Server Resources is not an option because the customer did not

purchase any Server Resource Monitors

73. You are meeting a new LoadRunner customer. The application under test is a call center applicationused by the customer representatives. The representatives are located in Florida and Georgia. Alarge customer base resides in Texas and Washington. The servers are located in California. Where

would you place the load generator machines?FloridaGeorgiaTexasWashingtonCalifornia

74. From which two tier should the Load Generator be connected?ControllerWeb ServerDB Server

Application Server

75. Recommended performance monitor sampling interval for large tests.151015

76. Recommended performance monitor sampling interval for small tests.151015

77. How will you know if the LR Agent is enabled?

When a cloud icon is present in the Task BarWhen the load generator name is present in the load generator listWhen the Vusers successfully go to its running stateWhen a satellite dish icon is present in the Task Bar

78. It details transaction response time as a service level and identifies percentage of transactionscompleted over time.

Transaction Response Time DistributionTransaction Response Time Percentile

Average Transaction Response Time




79. What are the formats of Analysis ReportsHTML FormatExcel FormatWord Format All of the above

80. Let’s you focus on a specific measurement within your graph MergeDrill downCross-Results

81. Graph which describes the period between a browser request and the first reply.Time to First Buffer

Average Transaction Response TimeConnections per Second

82. Graph which identifies the Web pages that take the most time. It helps isolate DNS resolution, SSLand connection issues

Page Download Time Breakdown

Page Component BreakdownDownloaded Component Size

83. This new LoadRunner feature allows the user to define loading of Vusers in a scenario by draggingdata points.

Scenario GroupsGlobal ScheduleInteractive Schedule GraphScenario Schedule

84. Which option in the Analysis Tool allows you to compare a measurement in a graph with othermeasurements during a specific time range and view similar trends?

Drill Down

FilterMerge

Auto Correlate

85. Which Analysis graph shows the complete path between the source and the destination machines?MS IISWindows ResourceNetwork Delay TimeTime to First Buffer Breakdown

Few more questions:-

86. Which of the following information are considered relevant when gathering systemusage for a performance test?a. System architectureb. Business processesc. Application modules about to be unit-testedd. Financial data such as general ledger and P&L statementsAnswer: - System architecture, Business processes




87. Each business process takes a certain amount of time to complete. Under ideal conditions,you determine this amount of time as ________________________Answer: - Preferred response time88. You want to determine how many users are active on a Web site during a twenty-fourhour period. What type of diagram can you use to map the business processes and thevolume of each across a fixed time line?

Answer: - Task Distribution Diagram89. How many transactions will need to run per minute if a load test has to run for twohours with 5000 users, assuming an average transaction length of five minutes?Answer: - 1000 transactions per minute90. This value represents the number of users performing business processes on theapplicationduring the busiest time frame of an atypical day (e.g. holiday). What do you callthis value?Answer: - Peak load

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HP Certification Details