CTFL-PT Dumps - Grab Out For [NEW-2021] ISQI Exam
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NEW QUESTION 21
What is normally performed within the principal performance testing activity called Test Analysis and Design?
i.Determine scope of performance testing
ii.Establish action plans should performance issues arise
iii.in Create the test environment
iv.Identify risks to the performance tests
v. Determine load levels, tiring parameters, and transactions to be tested
- A. v true i, ii, m iv false
- B. ii. v true i, iii,vfalse
- C. i, iv true ii, iii, v false
- D. ii, iii, v true i, iv false
Answer: A
NEW QUESTION 22
What is normally performed within the principal performance testing activity called Test Planning and Control?
i.Determine scope of performance testing
ii.Organize test cases into performance test procedures
iii.Create the test environment
iv. Identify risks to the performance tests
v. Determine load levels, timing parameters, and transactions to be tested
- A. i. ivtrue ii, iii, v false
- B. i,ii, v true iii, iv false
- C. iii, iv, v true i, ii false
- D. iii true i, ii, iv, v false
Answer: B
NEW QUESTION 23
You have been asked to test the performance of a software and system update to a North American mobile trivia quiz game application The quiz app is available on major app stores serving English-speaking users.The number of concurrent users planned for is 5 million Winning quiz participants are promised a share of an allocated cash prize Once participants start playing, their quiz sessions must not be lost especially if all previous questions were answered correctly. The application owner wants to ensure that 99% of quiz sessions are maintained (up to 4.95 million sessions) until the last answer has been successfully recorded.
You performed 100 test runs that provided 5 million virtual concurrent users.You have measurements of participant concurrency at the last question for each test run In your analysis, you order all the concurrency test results by measured concurrency value from best to worst.You determine 85%. 90%. 95% and 100% values by selecting the 85th. 90th. 95th and 100th (last and worst) measured values by counting list positions starting from the best value going towards the worst until you reach the desired list position (ex. 85). Keep in mind, the results in lower list positions are as good or better than the results chosen for reporting.
After analyzing the results of the performance tests, you present the following results
85% 4.92 million valid concurrent users
90% 4.90 million valid concurrent users
95%: 4.0 millionvalid concurrent users
100%. 3.8 million valid concurrent users
Based on these results, what should you report to thestakeholders?
- A. These results clearly show that the system update successfully supports 99% of five million participants
- B. The performance tests clearly have failed to produce a realistic and compatible load.The results should confirm the test oracle in that the 99% of five million participants concurrency objective has been achieved.If the performance test plan had worked correctly, the reported values should have been 85%
4.95, 90% 4.95, 95% 4 95 and 100% 4.95 million valid concurrent users. - C. Four samples from the first fifteen ordered test results are presented. The system update performed much worse than what is presented here. The system update has failed to meet the 99% of five million participants concurrency objective.
- D. If we pick 85 out of 100 test runs as the minimum level of reliability, thesystem update does not reliabilitymeet the 99% of five million participants concurrency target,However not all results are as bad as these
Answer: B
NEW QUESTION 24
Which of the following performance tests commonly results In understanding an application's ability to support future Increases of users or larger amounts of data without exceeding thecurrent performance requirement?
- A. endurance test
- B. concurrency test
- C. load test
- D. scalability test
Answer: A
NEW QUESTION 25
How does a performance test script determine the duration of a request?
- A. Forking a child of itself and then blocking when the request is made and resuming operations when the result is received
- B. Starting a timer when the request is made and stopping the timer when a result for the request is received.
- C. Starting a counter when the result is received and stopping the counter when the request is made
- D. Entering an interrupt service routine when the request is made and returning when the result is received.
Answer: D
NEW QUESTION 26
You have been asked to test the performance of a software and system update to a North American mobile trivia quiz game application.The quiz app is available on major app stores serving English-speaking users.The number of concurrent users plannedfor is 5 million Winning quiz participants are promiseda share of an allocated cash prize Once participants start playing, their quiz sessions must not be lost especially if all previous questions were answered correctly. The application owner wants to ensure that 99% of quiz sessions are maintained (up to 4 95 million sessions) until the last answer has been successfully recorded The performance test team is assembling criteria for tool selection.They have identified the following criteria
* Must be able to reliably generate 5 million concurrent virtual quiz participants from multiple data centers with centralized control
* Must be compatible with REST based web services and have tight integration with RESTful APIs' OData and OpenAPI.
* Must be able to support nested transaction timers, provide centralized performance data collection and reporting, and integrate with platform monitoring agents used by the Operations team.
Which of the following criterion would best complete the provided set of criteria?
- A. Must protect undesirable performance results from being viewed from unauthorized users
- B. Must be supported with documentation, training materials, books from known publishers, and an IDE that behaves similarly to popular in-house IDEs.
- C. Must have technical and software maintenance support for product versions two major revisions behind current revision
- D. Must provide shellchecking thatchecks spelling within test script comments
Answer: B
NEW QUESTION 27
You have been asked to test the performance of a software and system update to a North American mobile trivia quiz game application.The quiz app is available on major app storesserving English-speaking users.The number of concurrent users planned for is 5 million. Winning quiz participants are promised a share of an allocated cash prize Once participants start playing, their quiz sessions must not be lost especially if all previous questions were answered correctly. The application owner wants to ensure that 99% of quiz sessions are maintained (up to 4 95 million sessions) until the last answer has been successfully recorded.
An essential operational profile you identified is the quiz participant.Your operational profile discovery efforts have yielded a number of profile attributes.A quiz participant will answer twelve questions if they manage to answer the first eleven correctly Every user is made aware of a new question nearly simultaneously.The quiz user has limited time to respond using a mobile application.They are unable to respond to subsequent questions after they incorrectly answer a question. However, the quiz participant continues to see new questions even though they may have responded incorrectly to a previous question If they manage to answer all twelve questions correctly, the quiz application notifies them that they have tentatively won (subject to formal verification) an equal share of a cash prize of an amount set for the particular quiz event In addition to this individualized interaction, a broadcast video stream is presented in the quiz app providing entertaining commentary quiz event coordination, event status and answer explanations.
The average quiz event duration when measured from when the first question is presented to the last answer is reviewed is fifteen minutes. Over the fifteen minutes, twelve questions are presented to quiz participants. After making the following assumptions:
1. Questions must be responded to within a four second window;
2. Question responses will be sent evenly across this window of time (resulting in an average responder time of two seconds);
3. The designed maximum number of concurrent users will attempt the first question;
4. There will be no functional issues when handling the load.
5. The average time from response reception to database commitment is 1000 milliseconds under maximum concurrent usage.
What is the approximate maximum average systemthroughput if that assumptions hold?
- A. 1 million transactions/second
- B. 1.667 million transactions/second
- C. 1 million transactions/millisecond
- D. 200.000 transactions/second
Answer: A
NEW QUESTION 28
Which of the following activities Is performed last within a performance test run?
- A. Restore original data to ensure the system is in the proper state for testing
- B. Deploy load generators in places where users are located.
- C. Configure hardware and software to meet the test goal and plan
- D. Verify the test run functioned property by reviewing logs, database content and monitoring data
Answer: A
NEW QUESTION 29
Which performance testing operational activity pattern assists In identifying system functionality that may require correction or optimization?
- A. Stakeholder requests are collections of activities a SUT performs from inititaion through termination of one or more processes commonly measured for their elapsed time.
- B. Batch requests are collections of activities a SUT performs from inititaion through termination of one or more processes commonly measured for their elapsed time.
- C. Transactions are collections of activities a SUT performs from inititaion through termination of one or more processes commonly measured for their elapsed time.
- D. Concurrencies are collections of activities a SUT performs from inititaion through termination of one or more processes commonly measured for their elapsed time
Answer: D
NEW QUESTION 30
During designdiscussions the performance testteam observed that database stored procedures for several popular use casesmay be badly coded.Which of thefollowing common performance failures would bestconfirm the team's confirmwas justified?
- A. Slow response under all load levels
- B. Inadequate or graceless error handling under heavy or over-limit load
- C. Slow response fader moderate-to-heavy load levels
- D. Degraded response over time
Answer: C
NEW QUESTION 31
Which of the following activities Is a valid performance oriented static testing activity?
- A. Applying use cases and workflows as features are integrated
- B. Testing end-to-end behaviors under various load conditions.
- C. Evaluatingresourceutilization of unit level test objects
- D. Modeling of system resource requirements and/or behavior using spreadsheets or capacity planning tools
Answer: A
NEW QUESTION 32
Which of the situations test adheres to general performance testing principles?
- A. Performance testers save planning time and money by avoiding stakeholder discussions and applying industry best practices to define performance measures and acceptable results
- B. The performance test report compares results with negotiated stakeholder accepted measures and performance objectives
- C. The performance test plan shows a test schedule that produces results a week after the project's delivery milestone with a budget 35% less than initially allocated
- D. Performance testers allow the performance test environment to change between test repetitions
Answer: A
NEW QUESTION 33
How does service virtualization contribute to the performance test environment?
- A. Service virtualization enables the system under test to avoid functional error conditions caused by a necessary service being unavailable at the time of the performance test.
- B. Service virtualization enables load balancers to operate in a distributed environment thereby creating a realistic emulation of a production environment when available system under test equipment is inferior to production.
- C. Service virtualization allows the database to perform as if it were loaded with a data set many times larger than is actually loaded
- D. Service virtualization allows the load generators to produce more load per virtual instance.
Answer: A
NEW QUESTION 34
Server virtualization has improved deployment speed and operating-cost efficiency for many IT applications.
Which of thefollowing architectures are verylikely to utilize server virtualization that potentially suffers from performance challenges related to common host hardware resources being burdened by virtualized servers unrelated to the application under performance test?
i Multi-tier System
ii. Mobile
iii.in Single Computer
iv.Distributed
v.Cloud-based
- A. i, ii, iii true iv,iv false
- B. i, iv, v true ii, iii false
- C. iii, iv, v true i, ii false
- D. ii, iv, v true i, iii false
Answer: B
NEW QUESTION 35
How Is transaction elapsed time determined?
- A. response time + think time - nest time
- B. response time + think time + nest time
- C. response time - think time
- D. response time + think time
Answer: D
NEW QUESTION 36
You have been asked to test the performance of a software and system update to a North American mobile trivia quiz game application.The quiz app is available on major app stores serving English-speaking users.The number of concurrent users planned for is 5 million Winning quiz participants are promiseda share of an allocated cash prize Once participants start playing, their quiz sessions must not be lost especially if all previous questions were answered correctly. The application owner wants to ensure that 99% of quiz sessions are maintained (up to 4 95 million sessions) until the last answer has been successfully recorded An essential operational profile you identified is the quiz participant Your operational profile discovery efforts have yielded a number of profile attributes / quiz participant will answer twelve questions if they manage to answer the first eleven correctly Every user is made aware of a new question nearly simultaneously.The quiz user has limited time to respond using a mobile application.They are unable to respond to subsequent questions after they incorrectly answer a question. However, the quiz participant continues to see new questions even though they may have responded incorrectly to a previous question, if they manage to answer all twelve questions correctly, the quiz application notifies them that they have tentatively won (subject to formal verification) an equal share of a cash prize of an amount set for the particular quiz event In addition to this individualized interaction, a broadcast video stream is presented in the quiz app providing entertaining commentary, quiz event coordination event status and answer explanations.
The average quiz event duration when measured from when the first question is presented to the last answer is reviewed is fifteen minutes Over the fifteen minutes, twelve questions are presented to quiz participants.
Which of thefollowingIs a proper load profilefor thequiz participants?
- A. Steady ramp-up of quiz response transactions from one million until the design maximum is reached within the first three questions.The maximum is sustained until question twelve
- B. 240.000,000 question responses per hour
- C. Maximum number of planned concurrent quiz responses will occur at the first question with a steppedramp-down after each question.The size of each step and the final number of nearly simultaneous quiz responses are random values within historical ranges observed over the last three
- D. Stepped ramp-up of quiz response transactions from one million increasing by a one million after each question until the design maximum is reached.The minimum is sustained until question twelve.
Answer: D
NEW QUESTION 37
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