ISTQB CTFL4 Practice Test - Questions Answers, Page 15
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Question 141

Which of the following statements is the BEST example of non-functional testing?
Explanation:
Non-functional testing refers to testing aspects that do not relate to specific behaviors or functions of the software but to attributes such as performance, usability, reliability, etc. Tests that capture the time it takes to save a file directly relate to the performance of the system, thus falling under non-functional testing.
Reference: ISTQB Certified Tester Foundation Level Syllabus v4.0, Section 1.2.5 'Functional and Non-functional Testing'.
Question 142

Given the following review process main activities and specific review activities:
a. Planning
b. Initiate review
c. Issue communication and analysis
d. Fixing and reporting
1. Creating defect reports
2. Estimating effort and timeframe
3. Recording updated status of defects
4. Selecting the people to participate
5. Distributing the work product and other material
6. Evaluating the review findings
Which of the following BEST matches the review process main activities with the appropriate specific review activities?
Explanation:
Matching the main review process activities with the specific review activities, we see that planning includes estimating effort and timeframe (2) and selecting people to participate (4). Initiating a review involves distributing work products and other material (5). Issue communication and analysis includes evaluating the review findings (6). Fixing and reporting would entail creating defect reports (1) and recording the updated status of defects (3).
Reference: ISTQB Certified Tester Foundation Level Syllabus v4.0, Section 3.2 'Review Process'.
Question 143

Which of the following CORRECTLY matches the roles and responsibilities in a formal review?
Explanation:
In formal reviews, the scribe's role is to collate potential defects and other findings during the review process. This position is crucial as it ensures all observations and defects are recorded accurately, facilitating efficient analysis and resolution of issues identified during the review.
Reference: ISTQB Certified Tester Foundation Level Syllabus v4.0, Section 3.2.4 'Roles and Responsibilities in a Formal Review'.
Question 144

Given the following review types and review characteristics:
a. Pair review
b. Walkthrough
c. Technical review
d. Inspection
1. Formal
2. Informal
3. Purposes include evaluating the quality of the work product under review and generating new ideas (e.g., brainstorming solutions)
4. Purposes include Improving the software product and training the review participants
Which of the following BEST matches the review type with the review characteristic?
Explanation:
Pair reviews are informal and typically involve two people reviewing the work product together, often in an informal setting. Walkthroughs are more formal and aim to educate stakeholders and evaluate the product, serving the dual purpose of improving the product and training participants. Technical reviews have a strong focus on improving the product's quality, often involving technical stakeholders. Inspections are the most formal review type and are aimed primarily at detecting defects.
Reference: ISTQB Certified Tester Foundation Level Syllabus v4.0, Section 3.2.3 'Review Types'.
Question 145

You are responsible for applying the correct technique for a review of the requirements document for a project to develop a new software application. You identify the reviewers and the required roles, including the meeting leader, who is the requirements document author, and a separate role for a scribe. Additionally, you decide to take a relatively informal approach to the requirements review. The goal of the review is to find defects in the requirements document, such as omissions, Inconsistencies, and duplications. Another goal of the review is to improve the software application's usability and accessibility by considering the various stakeholders' viewpoints.
Which of the following statements BEST describes this scenario?
Explanation:
This scenario is using a walkthrough review type and a perspective-based review technique. In a walkthrough, the author of the document leads the meeting and it typically includes a meeting leader and a scribe, as described. This type of review is informal, focuses on discussion, and often involves scenario-based reading of the document to understand different user perspectives (ISTQB Main Web).
Reference:
ISTQB Certified Tester Foundation Level Syllabus v4.0: ISTQB CTFL Syllabus v4.0 PDF
Question 146

Which of the following provides the BEST description of statement coverage?
Explanation:
Statement coverage is a white-box test technique which focuses on executing all possible statements in the code at least once during testing. This helps in determining the percentage of executable statements that have been executed by the test suite, aiming to ensure that all parts of the program have been tested at least once (ISTQB Main Web).
Reference:
ISTQB Certified Tester Foundation Level Syllabus v4.0: ISTQB CTFL Syllabus v4.0 PDF
Question 147

Which of the following BEST matches the descriptions with the different categories of test techniques?
1. Test cases are based on the test basis which may include the requirements, use cases and user stories
2. Test cases are based on the test basis which may include the software architecture or code
3. Test cases can show deviations from the requirements
4. These test techniques are applicable to both functional and non-functional testing
5. Tests are based on knowledge of developers, users and other stakeholders
Black - Black-box test techniques
White * White-box test techniques
Experience - Experience-based test techniques
Explanation:
Matching the descriptions with the test techniques:
Black-box test techniques use the external description of the software, including requirements, use cases, and user stories.
White-box test techniques use the internal structure of the software system, including software architecture and code.
Black-box test techniques can reveal deviations from the requirements as they validate the external behavior of the software.
Both black-box and white-box test techniques are applicable to functional and non-functional testing.
Experience-based test techniques rely on the knowledge and intuition of developers, users, and other stakeholders (ISTQB Main Web).
Reference:
ISTQB Certified Tester Foundation Level Syllabus v4.0: ISTQB CTFL Syllabus v4.0 PDF
Question 148

A class grade application for instructors assigns letter grades based on students' numerical grades.
The letter grades for different numerical grades should be:
Above 89, up to 100 - A
Above 79, up to 89 * B
Above 69, up to 79 * C
Above 59, up to 69 - D
Below 60 - F
Which of the following sets of test inputs would achieve the relatively highest equivalence partition coverage?
Explanation:
The set of test inputs that achieve the relatively highest equivalence partition coverage for grading students is option D: 69, 79, 80, 89, 90. This set effectively tests the boundaries between each grade category, ensuring that the grading system accurately transitions from one grade to another at the correct thresholds (ISTQB Main Web).
Reference:
ISTQB Certified Tester Foundation Level Syllabus v4.0: ISTQB CTFL Syllabus v4.0 PDF
Question 149

A test score indicator for students produces a performance score based on a combination of the number of consecutive hours studied (below 4 hours, 4 to 8 hours. 9 to 12 hours or above 12 hours) and the average intensity of focus on the material during the study time (low, medium or high).
Given the following test cases:
hours intensity score
T1 3 low 55
T2 14 high 95
T3 9 low 75
What is the minimum number of additional test cases that are needed to ensure full coverage of all valid INPUT equivalence partitions?
Explanation:
Considering the various valid input equivalence partitions of hours studied and intensity, three additional test cases are needed to fully cover all valid partitions. This would typically include testing combinations that vary both the number of hours and the intensity levels not covered by the initial test cases (ISTQB Main Web).
Reference:
ISTQB Certified Tester Foundation Level Syllabus v4.0: ISTQB CTFL Syllabus v4.0 PDF
Question 150

A bank offers a savings account with various interest rates based on the current balance in the account. The balance ranges and respective interest rates are:
Up to $100.00 =2%
$100.01 to $500.00 = 4%
$500.01 to $1,000.00 = 5%
Above $1,000.00 = 7%
Using two-point boundary value analysis, which of the following sets of test inputs provides the relatively highest level of boundary coverage?
Explanation:
Boundary Value Analysis (BVA) is a software testing technique in which tests are designed to include values at the boundaries. The concept is to focus on the boundaries since errors tend to occur at the edges of input ranges rather than in the middle.
Given the problem statement:
Up to $100.00 = 2%
$100.01 to $500.00 = 4%
$500.01 to $1,000.00 = 5%
Above $1,000.00 = 7%
Two-point boundary value analysis means testing the two boundaries of each range.
For each range:
The boundaries for 'Up to $100.00' would be $100.00 and $100.01.
The boundaries for '$100.01 to $500.00' would be $100.00 and $500.00.
The boundaries for '$500.01 to $1,000.00' would be $500.00 and $1,000.00.
The boundaries for 'Above $1,000.00' would be $1,000.00 and $1,000.01.
Now, let's examine the options:
A . $5.00, $100.00, $499.99, $1,000.00, $1,000.01
Missing $100.01 and $500.01.
B . $100.00, $100.01, $100.02, $500.00, $999.99
Covers $100.00, $100.01, $500.00, $1000.00, and $1000.01.
C . $100.00, $500.00, $1,000.00, $1,000.01
Missing $100.01 and $500.01.
D . $5.00, $100.00, $500.00, $1,000.01
Missing $100.01 and $500.01.
Given the options, B provides the highest boundary coverage (ISTQB not-for-profit association) (Udemy).
Certified Tester Foundation Level v4.0
10 Sample Exams ISTQB Foundation Level (CTFL) v4.0
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