CTFL-PT Exam Questions Get Updated [2021] with Correct Answers
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NEW QUESTION 10
Which of the following protocols would allow a test script to interact with a web server for ecommerce transaction testing?
- A. IMAP
- B. HTTPS
- C. JDBC
- D. SOAP
Answer: B
NEW QUESTION 11
Which of the following lists of attributes characterize load generation using crowds?
- A. end-to-end test, repeatable small number of testers
- B. uses API to produce load, repeatable. small number of testers
- C. uses API to produce load, not repeatable. large number of testers
- D. end-to-end test, not repeatable. large number of testers
Answer: B
NEW QUESTION 12
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 13
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 14
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 In order to avoid cooperation among quiz participants, the answers to the multiple choice questions are listed randomly Confidence in the game's fairness requires that a registered user originate from only one quiz client device Every user must respond over the same short window of time in order to avoid external assistance and learning the official answer before responding.Only participants who respond correctly may answer the next question Any activity that appears to violate expected behavior of a rule-following participant will cause the client session to be rejected.
You are currently preparing test scripts to function as a quiz participant.
What input data type is most critical for the test script to incorporate to ensure that the concurrency objective will be properly tested?
- A. In order to property test the concurrency objective, the test script must provide a random password to the application's login system
- B. In order to properly test the concurrency objective, the test script must present a unique user name to the application's login system
- C. In order to properly test the concurrency objectivesthe test script must supply the system provided unique session ID with each answer provided
- D. In order to property test theconcurrency objective,the test script must answer each trivia question with the same answer as every other virtual user
Answer: A
NEW QUESTION 15
Which of the following architectures are likely to be found entirely on-premises and less likely to suffer from Internet-based network performance challenges?
i Mobile
ii Multi-tier System in. Single Computer iv. Distributed v. Dynamic
- A. i, ii, v true iii, iv false
- B. ii, in true i, iv, v false
- C. ii, iii, v true i,i v false
- D. i, iv true ii, iii. v false
Answer: D
NEW QUESTION 16
Which tool is ideally the only source of execution burden experienced by the system under test?
- A. monitoring tool
- B. management console
- C. load generator
- D. log analysis tool
Answer: C
NEW QUESTION 17
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 18
Which of the following performance tests should we use to determine if an application meets performance expectations under typical realistic loads?
- A. load test
- B. scalability test
- C. spike test
- D. stress test
Answer: D
NEW QUESTION 19
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 20
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 Before your team begins testing, the team needs to present the performance test plan to technical stakeholders Which of the following sets of plan attributes would you recommend be included in this presentation?
i.Sales has indicated that quiz events for Sponsor A offering $65,000. Sponsor B offering $45,500. Sponsor C offering $25,000 will be taking place during the first week of performance testing.
ii. Simultaneous session tests are focused on the backend. and are not end-to-end. Variability in user behavior, mobile devicesand mobile communications introduces session drop opportunities outside application control.
Using load generators located
in 5 high availability data centers in North America will ensure session drops are most likely caused by application issues, thus allowing us to isolatethe root cause of any concurrency issues that arise iii.Test scripts based on replaying recorded communication will take 30 hours each to write and test due to the extensive parameterization required to respond to quiz questions Development has agreed to share client code that can be scripted to authenticate and respond to quiz questions automatically. The fully programmed script will likely take 18 hours each to write and test Fully programmed scripts will utilize the identical communications stack of the actual client avoiding missed communication nuances.
iv The U S Federal Trade Commission has recently sued SmartyBogusFauxApp and OutSmartMeexample com over promises of prizes andunreliability v The upgrade being tested was paid for by the latest round of venture funding Supporting 5 million users is requirement thatwas a condition of their funding.
- A. ii, iii include i, iv, v exclude
- B. i. ii include iii. iv, v exclude
- C. iii. iv, v include i, ii exclude
- D. ii, v include i, ii, iv exclude
Answer: A
NEW QUESTION 21
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.
A coworker has located various test plan elements under the standard PTP sections in a draft You have been asked to analyze the quality of the draft.The complete PTP draft cannot be provided here A content sampling of the PTP is provided.
Based on the content sample below, what is the quality of the draft document when only considering the alignment of content under standard PTP sections?
- A. 3 misalignments needs improvement
- B. 0 misalignments, good
- C. 1 misalignments, good
- D. 2 misalignments good
Answer: C
NEW QUESTION 22
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 In order to avoid cooperation among quiz participants, the answers to the multiple choice questions are listed randomly Confidence in the game's fairness requires that a registered user originate from only one quiz client device Every user must respond over the same short window of time in order to avoid external assistance and learning the official answer before responding.Only participants who respond correctly may answer the next question Any activity that appears to violate expected behavior of a rule-following participant will cause the client session to be rejected.
You are developing test script code that handles quiz question responses. To do this you need to ensure that the script emulates the production quiz app client's logic in terms of rule following and client-backend interface specification.
Based on the question description provided, which is one test script behavior you would implement in order to ensure the test script successfully delivers the operational and load profile of a quiz participant?
- A. Recognize whether the previous question response was correct
- B. Set the device identifier as a constant to ensure all virtual user instances use the set value
- C. Use the date-time clock in order to submit question responses on a synchronized schedule with each instance
- D. Randomly select the maximum think time limit used to delay question responses.
Answer: B
NEW QUESTION 23
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 24
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 What is the best way to address the performance testing for concurrency?
- A. Conduct performance tests on production systems while there are no active quiz events
- B. Conduct a network assessment of popular mobile data providers to ensure excessive frame loss and latency do not cause more than 15% of trivia answer arrivals to occur outside acceptable arrival time.
- C. Review the asynchronous session management algorithm, review the production systems implementation including load balancing and m-memory database schema, and conduct performance tests on these production systems while there are no active quiz events.
- D. Enable and schedule the quiz app to act as a virtual user on users' mobile devices while the production system is in-between quiz events. This will ensure realistic end-to-end testing
Answer: C
NEW QUESTION 25
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 26
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