What is the order of architectures that introduce the least to most performance instability?
A. B,C,A
B. C,A,B
C. Mobile
D. C,B,A
E. A,B.C
F. Multi-tier System
G. Single Computer
正解:F
質問 2:
Which of the following activities Is performed last within a performance test run?
A. Deploy load generators in places where users are located.
B. Verify the test run functioned property by reviewing logs, database content and monitoring data
C. Configure hardware and software to meet the test goal and plan
D. Restore original data to ensure the system is in the proper state for testing
正解:D
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 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. 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.
B. 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
C. 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.
D. Conduct performance tests on production systems while there are no active quiz events
正解:A
質問 4:
Which of the following protocols would allow a test script to interact with a web server for ecommerce transaction testing?
A. HTTPS
B. IMAP
C. SOAP
D. JDBC
正解:A
冈田** -
55歳の私が簡単CTFL-PT合格出来ました。
一度落ちて、再チャレンジでしたが、この本はわかりやすかったです。