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CTFL4 Test Guide Online | CTFL4 Valid Exam Review

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BCS CTFL4 Exam Syllabus Topics:

Topic
Details

Topic 1

Fundamentals of Testing: It discusses the basic principles related to testing. The topic evaluates your understandings about the test process.

Topic 2

Test Analysis and Design: It focuses on black-box and the collaboration-based test approach.

Topic 3

Managing the Test Activities: This topic explains how to plan tests in general, monitor and control test activities, and report defects in a clear and understandable way.

Topic 4

Testing Throughout the Software Development Lifecycle: This topic explains how testing is incorporated into different development approaches. It also focuses on the concepts of test-first approaches.

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BCS ISTQB Certified Tester Foundation Level CTFL 4.0 Sample Questions (Q169-Q174):

NEW QUESTION # 169
Consider the followinguser storyand itsacceptance criteria:
User Story:
As a member of the"Agnotoly"association, I want to be able topay the association's dues through an automatic payment methodso that I can forget about payment deadlines.
Acceptance Criteria:
* The member can only pay with'Agnesis Master' credit card.
* The member must register theircell phone number.
* The member must register thecredit cardin the payment system.
* The member must select apayment method (monthly or annual).
* The member mustaccept the terms and conditionsfor the selected method.
* If terms and conditions are accepted, the system sends anOTP(one-time password) to the member's phone for verification.
* The payment method isregistered only after OTP verification.
* Once the payment method is registered, the system will charge on the first business day of the following month.
Test Cycle Results:
* Members successfully paid dues using the credit card.
* Payments were processedmonthly and for over a year.
Which ONE of the following options identifies the acceptance criteria that has NOT been fully covered?

A. Acceptance criteria 8 has not been fully covered during the above test cycle.
B. Acceptance criteria 4 has not been fully covered during the above test cycle.
C. Acceptance criteria 6 has not been fully covered during the above test cycle.
D. All acceptance criteria have been fully covered during the above test cycle.

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:Acceptance criteria8states thatthe system should charge the user on the first business day of the following month. However, thetest cycle only verified monthly payments for over a year, without confirming whether payments were processedspecifically on the first business day.
* (B) is incorrectbecause the test validatedmonthly and annual payment options.
* (C) is incorrectbecause not all criteria were fully validated.
* (D) is incorrectbecause OTP verification (6) was tested as part of registration.
Ensuringtimely execution of payments(Criteria 8) requires additional validation.

NEW QUESTION # 170
A financial institution is to implement a system that calculates the interest rates paid on investment accounts based on the sum invested.
You are responsible for testing the system and decide to use equivalence partitioning and boundary value analysis to design test cases. The requirements describe the following expectations:
Investment range | Interest rate
R500 to RIO 000 10%
RIO 001 to R50 000 11%
R50 001 to RlOOOOO 12%
RIOOOOl to R500 000 | 13%
What is the minimum number of test cases required to cover all valid equivalence partitions for calculating the interest?

A. 0
B. 1
C. 2
D. 3

Answer: C

Explanation:
Using equivalence partitioning, the investment ranges are divided into four partitions:
R500 to R10,000 (10%)
R10,001 to R50,000 (11%)
R50,001 to R100,000 (12%)
R100,001 to R500,000 (13%)
Thus, the minimum number of test cases required to cover all valid equivalence partitions for calculating the interest is 4.

NEW QUESTION # 171
The following state transition diagram describes the functionality involved in a system using fingerprint and password authentication to log onto a system.

How many distinct states of the system are visible in the above diagram?

A. 0
B. 1
C. 2
D. 3

Answer: B

Explanation:
The state transition diagram provided shows three distinct states:
* Waiting for fingerprint
* Waiting for PIN
* Valid PIN/ask menu selection
Each state represents a different stage in the system's operation, with transitions based on user actions and system responses.

NEW QUESTION # 172
Which of the following statements about white-box test techniques is true?

A. Code-related white-box test techniques provide an objective measure of coverage and can be used to complement black-box test techniques to increase confidence in the code
B. Achieving full statement coverage and full branch coverage for a software product means that such software product has been fully tested and there are no remaining bugs within the code
C. Branch coverage is the most thorough code-related white-box test technique, and therefore applicable standards prescribe achieving full branch coverage at the highest safety levels for safety-critical systems
D. Code-related white-box test techniques are not required to measure the actual code coverage achieved by black-box testing, as code coverage can be measured using the coverage criteria associated with black-box test techniques

Answer: A

Explanation:
This answer is correct because code-related white-box test techniques are test design techniques that use the structure of the code to derive test cases. They provide an objective measure of coverage, such as statement coverage, branch coverage, or path coverage, which indicate how much of the code has been exercised by the test cases. Code-related white-box test techniques can be used to complement black-box test techniques, which are test design techniques that use the functional or non-functional requirements of the system or component to derive test cases. By combining both types of techniques, testers can increase their confidence in the code and find more defects. Reference: ISTQB Glossary of Testing Terms v4.0, ISTQB Foundation Level Syllabus v4.0, Section 2.3.2.2

NEW QUESTION # 173
Which of the following issues cannot be identified by static analysis tools?

A. Referencing a variable with an undefined value
B. Very low MTBF (Mean Time Between failure)
C. Security vulnerabilities
D. Potentially endless loops

Answer: B

Explanation:
Static analysis tools are software tools that examine the source code of a program without executing it. They can detect various types of issues, such as syntax errors, coding standardsviolations, security vulnerabilities, and potential bugs12. However, static analysis tools cannot identify issues that depend on the runtime behavior or performance of the program, such as very low MTBF (Mean Time Between failure)3. MTBF is a measure of the reliability of a system or component. It is calculated by dividing the total operating time by the number of failures. MTBF reflects how often a system or component fails during its expected lifetime. Static analysis tools cannot measure MTBF because they do not run the program or observe its failures. MTBF can only be estimated by dynamic testing, which involves executing the program under various conditions and collecting data on its failures4. Therefore, very low MTBF is an issue that cannot be identified by static analysis tools. The other options, such as potentially endless loops, referencing a variable with an undefined value, and security vulnerabilities, are issues that can be identified by static analysis tools. Static analysis tools can detect potentially endless loops by analyzing the control flow and data flow of the program and checking for conditions that may never become false5. Static analysis tools can detect referencing a variable with an undefined value by checking the scope and initialization of variables and reporting any use of uninitialized variables6. Static analysis tools can detect security vulnerabilities by checking for common patterns of insecure code, such as buffer overflows, SQL injections, cross-site scripting, and weak encryption. References = What Is Static Analysis? Static Code Analysis Tools - Perforce Software, How Static Code Analysis Works | Perforce, Static Code Analysis: Techniques, Top 5 Benefits & 3 Challenges, What is MTBF? Mean Time Between Failures Explained | Perforce, Static analysis tools - Software Testing MCQs - CareerRide, ISTQB_Chapter3 | Quizizz, [Static Code Analysis for Security Vulnerabilities | Perforce].

NEW QUESTION # 174
......

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Madison Lee Madison Lee

Biography

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