質問 1：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.
Before your team begins testing, the team needs to present the performance test plan to business stakeholders Which of the following sets of plan attributes would you recommend be part of this presentation?
A. If the quiz application drops more than 1% of quiz sessions, users will likely write bad reviews on app stores and other gaming sites Performance tests will verify that system can support at least 4 95 million users Planned tests, which include the simultaneous sessions test, will cost $350,000 Since only two quizzes are scheduled a day, performance tests on the production system during the "down' times should be representative of what users experience. There is a 10% chance that the production system will not restored in time for a quiz.
B. There is a less then10% chance of missing a scheduled quiz session due to performance test activities, which will likely cost the company $50,000 in lost sponsor revenue and brand damage To avoid this risk, we are scheduling Operations and Development representatives to be available during test execution We will require that the RAID 5+1 LUNs associated with the database server cluster be broken at 22 30 and the RAID 5+1 LUNs restored, ensuring the offline set mirrors back to the RAID 5 set that was under test, at 03:00
C. Since the client uses an asynchronous REST web services based sessions back to the QUZRAC services cluster, the loadprofile will consist of virtualusers running programmed load scripts based in C# that will randomly select the correct answer following a normal distribution thus modeling the typical success distribution among users The strict 4 second cap on user responses will translate into think times that are randomly selected between 1/2 second and just under 4 seconds using a uniform distribution
D. During the actual quiz, users logon gradually but play simultaneously. The load injection of quiz responses will not ramp up. therefore nearly 5 million quiz responses will need to be generated in a 4 second time frame with no opportunity to reach steady state.Test plans have been discussed with Operations Development and Data Center representatives and we believe the tests will tax the quiz application consistent with actual use.The JMeter monitoring system has been tuned however, with 5 million service requests over 4 seconds there is concern that the services queue measurements may be off by 25%
正解：C
質問 2：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. 1 misalignments, good
B. 2 misalignments good
C. 3 misalignments needs improvement
D. 0 misalignments, good
正解：A
質問 3：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 theconcurrency objective,the test script must answer each trivia question with the same answer as every other virtual user
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 property test the concurrency objective, the test script must provide a random password to the application's login system
D. In order to properly test the concurrency objectivesthe test script must supply the system provided unique session ID with each answer provided
正解：C
質問 4：Which of the following protocols would allow a test script to interact with a web server for ecommerce transaction testing?
A. JDBC
B. HTTPS
C. SOAP
D. IMAP
正解：B
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ISQI CTFL-PT 認定試験の出題範囲：
| トピック | 出題範囲 |
|---|
| トピック 1 | - Understand the basic structure of a performance test script
- Understand the principal performance testing activities
|
| トピック 2 | - Analyze throughput and concurrency when developing performance tests
- Give examples of common failure modes of performance testing and their causes
|
| トピック 3 | - Create load profiles derived from operational profiles for given performance objectives
- Understand the typical metrics collected in performance testing
|
| トピック 4 | - Understand how tools support performance testing
- Understand the key sources of performance metrics
|
| トピック 5 | - Explain typical categories of performance risks for different architectures
- Understand the concept of load generation
|
| トピック 6 | - Evaluate the suitability of performance testing tools in a given project scenario
- Understand the principles of performance testing
|
| トピック 7 | - Derive performance test objectives from relevant information
- Recall testing types in performance testing
|
| トピック 8 | - Understand the concept of transactions in performance testing
- Recognize the different types of performance testing
|
| トピック 9 | - Give examples of typical protocols encountered in performance testing
- Analyze performance risks for a given product across the software development lifecycle
|
| トピック 10 | - Implement performance test scripts consistent with the plan and load profiles
- Explain why results from performance testing are aggregated
|
参照：https://www.istqb.org/certification-path-root/performance-testing.html
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