ISQI CTFL_Syll_4.0復習攻略問題 & CTFL_Syll_4.0模擬試験

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ISQI CTFL_Syll_4.0 Exam Syllabus Topics:

Section	Weight	Objectives
Test Analysis and Design	30%	- Test techniques overview - Collaboration-based approaches - Experience-based test techniques - Black-box test techniques - White-box test techniques
Test Tools and Automation	2.5%	- Tool support for testing - Benefits and risks of automation
Managing Test Activities	22.5%	- Defect management - Configuration management - Monitoring, control and completion - Risk-based testing - Test planning
Static Testing	10%	- Review process and types - Static testing basics
Fundamentals of Testing	20%	- Why testing is necessary - What is testing - Testing principles - Test activities, testware and roles - Essential skills and good practices
Testing Throughout the Software Development Lifecycle	15%	- Test types - Testing in SDLC contexts - Test levels - Maintenance testing

>> ISQI CTFL_Syll_4.0復習攻略問題 <<

ISQI CTFL_Syll_4.0復習攻略問題: 響く認定するCTFL_Syll_4.0模擬試験

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ISQI ISTQB Certified Tester Foundation Level (CTFL) v4.0 認定 CTFL_Syll_4.0 試験問題 (Q69-Q74):

質問 # 69
Which of the following is a methodical approach to error guessing?

A. Determine all the decisions in the code and design tests to address each one
B. Review the code to determine areas of high complexity and target those areas with tests
C. Create a list of possible failures and defects and design tests to address each one
D. Ask the developers where the likely errors will be and discuss how to test for each one

正解：C

質問 # 70
The following state transition diagram describes the behavior of a control system in terms of its possible modes of operation. The initial start state will be the "NORMAL MODE".

Which ONE of the following test cases covers an INVALID sequence?

A. NORMAL MODE >> DIAGNOSTIC MODE >> DEGRADED MODE >> EMERGENCY MODE >> DIAGNOSTIC MODE >> NORMAL MODE >> DIAGNOSTIC MODE
B. NORMAL MODE >> DIAGNOSTIC MODE >> DEGRADED MODE >> EMERGENCY MODE >> DIAGNOSTIC MODE >> NORMAL MODE >> DEGRADED MODE
C. NORMAL MODE >> DEGRADED MODE >> NORMAL MODE >> DIAGNOSTIC MODE >>
DEGRADED MODE >> EMERGENCY MODE >> DIAGNOSTIC MODE
D. NORMAL MODE >> DIAGNOSTIC MODE >> NORMAL MODE >> DIAGNOSTIC MODE >>
EMERGENCY MODE >> DIAGNOSTIC MODE >> NORMAL MODE

正解：D

解説：
There is NO direct arrow from DIAGNOSTIC MODE to EMERGENCY MODE.
so the answer is " D " , because its invalid.

質問 # 71
A program is used to control a manufacturing line (turn machines on and off. start and stop conveyer belts, add raw materials to the flow. etc.). Not all actions are possible at all times. For example, there are certain manufacturing stages that cannot be stopped - unless there is an emergency. A tester attempts to evaluate if all such cases (where a specific action is not allowed) are covered by the tests.
Which coverage metric will provide the needed information for this analysis?

A. Branch Coverage
B. Code coverage
C. Data flow coverage
D. Statement coverage

正解：A

解説：
Branch coverage is a type of structural coverage metric that measures the percentage of branches or decision outcomes that are executed by the test cases. A branch is a point in the code where the control flow can take two or more alternative paths based on a condition. For example, an if-else statement is a branch that can execute either the if-block or the else-block depending on the evaluation of the condition. Branch coverage ensures that each branch is taken at least once by the test cases, and thus reveals the behavior of the software under different scenarios. Branch coverage is also known as decision coverage or all-edges coverage.
Branch coverage is suitable for testing the cases where a specific action is not allowed, because it can verify that the test cases cover all the possible outcomes of the conditions that determine the action. For example, if the program has a condition that checks if the manufacturing stage can be stopped, then branch coverage can ensure that the test cases cover both the cases where the stage can be stopped and where it cannot be stopped. This way, branch coverage can help identify any missing or incorrect branches that may lead to undesired or unsafe actions.
The other options are not correct because they are not suitable for testing the cases where a specific action is not allowed. Code coverage is a general term that encompasses various types of coverage metrics, such as statement coverage, branch coverage, data flow coverage, etc. Code coverage does not specify which type of coverage metric is used for the analysis. Data flow coverage is a type of structural coverage metric that measures the percentage of data flow paths that are executed by the test cases. A data flow path is a sequence of statements that define, use, or kill a variable. Data flow coverage is useful for testing the correctness and completeness of the data manipulation in the software, but not for testing the conditions that determine the actions. Statement coverage is a type of structural coverage metric that measures the percentage of statements or lines of code that are executed by the test cases. Statement coverage ensures that each statement is executed at least once by the test cases, but it does not reveal the behavior of the software under different scenarios. Statement coverage is a weaker criterion than branch coverage, because it does not account for the branches or decision outcomes in the code. Reference = ISTQB Certified Tester Foundation Level (CTFL) v4.0 syllabus, Chapter 4: Test Techniques, Section 4.3: Structural Testing Techniques, Pages 51-54.

質問 # 72
Which ONE of the following options BEST describes a key characteristic of non-functional testing?

A. Conducting non-functional testing exclusively at the acceptance test level.
B. Ensuring non-functional testing focuses only on user experience and usability.
C. Limiting non-functional testing to security testing and performance testing only.
D. Performing non-functional testing starting at the system test level.

正解：D

解説：
Non-functional testing evaluates attributes like performance, security, and usability, which are typically assessed at thesystem test level or higher(A). It is not restricted to acceptance testing (B), goes beyond security and performance testing (C), and covers more than just user experience (D).
Reference:ISTQB CTFL v4.0 Syllabus, Section 2.2.2 - Non-functional Testing

質問 # 73
Which tools support delivery pipelines, automated build processes, and practices such as Continuous Integration/Continuous Delivery?

A. Test management tools
B. Collaboration tools
C. Test design and test implementation tools
D. DevOps tools

正解：D

解説：
DevOps tools support delivery pipelines, automated builds, and CI/CD practices to streamline software development and deployment.

質問 # 74
......

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