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iSQI ISTQB Certified Tester Foundation Level CTFL_Syll2018 Exam Questions
Question 1
You are testing an e-commerce system The system accepts four different types of Credit Cards; each card has its own rules for valid and invalid numbers. The following is a portion of the Decision Table for Order Management.:
The combination of the conditions Valid Card Number (NO) + Purchase Approved (YES) is not feasible.
You wish to perform a test which completely covers all the combinations of equivalence partitioning tor the different types of credit card, according to the rules shown in the above Decision Table
How many test cases do you need?
Answer : C
The combination of the conditions Valid Card Number (NO) + Purchase Approved (YES) is not feasible, as a purchase cannot be approved with an invalid card number. Therefore, this combination can be ignored in the equivalence partitioning for the different types of credit card. Each type of credit card has two valid equivalence partitions: Valid Card Number (YES) + Purchase Approved (YES) and Valid Card Number (YES) + Purchase Approved (NO). Each type of credit card also has one invalid equivalence partition: Valid Card Number (NO) + Purchase Approved (NO). Therefore, to cover all the combinations of equivalence partitions for the four types of credit card, we need 4 x (2 + 1) = 12 test cases.
A, B, and D are incorrect answers. A implies that there are two equivalence partitions for each type of credit card, which is not true as there are three. B implies that there is only one equivalence partition for each type of credit card, which is not true as there are two valid ones and one invalid one. D implies that there are four equivalence partitions for each type of credit card, which is not true as there are only three.
Question 2
What is a peer review?
Answer : D
A peer review is a review done by colleagues at the same organizational level, such as developers, testers, or managers. An informal review without moderator is called a walkthrough. A review done by developers and testers together is called an inspection. A review done by developers only is not a specific type of review.
Question 3
Which of the following would NOT be a typical target of testing support tools?
Answer : D
Testing support tools are software tools that assist testers in performing testing activities, such as test management, test design, test execution, test evaluation, and defect management1.According to the ISTQB syllabus, some typical targets of testing support tools are to automate activities that require significant resources when done manually, automate activities that cannot be executed manually, and automate repetitive tasks1.Automating repetitive inspections is not a typical target of testing support tools, as inspections are static testing techniques that involve human review and analysis of software artifacts1.
Question 4
Consider the following pseudo-code
How many minimum test cases are required to cover 100% Statement coverage and Decision coverage?
Answer : B
To cover 100% statement coverage, we need to execute every statement in the code at least once. To cover 100% decision coverage, we need to execute every branch in the code at least once. The minimum number of test cases required to achieve both statement and decision coverage is 4 for statement and 5 for decision. Here is one possible set of test cases:
| Test Case | Input | Output | Statement Coverage | Decision Coverage | | TC1 | Walking = True, Midnight = False, Raining = False, Running = False | Take umbrella | S1, S2, S3, S4, S5 | D1-T, D2-T | | TC2 | Walking = False, Midnight = True, Raining = False, Running = False | Search light | S1, S2, S6, S7 | D1-F, D3-T | | TC3 | Walking = False, Midnight = False, Raining = True, Running = False | Take umbrella and search light | S1, S2, S6, S8, S9 | D1-F, D3-F, D4-T | | TC4 | Walking = False, Midnight = False, Raining = False, Running = True | Keep doing what you were doing | S1, S2, S6, S8, S10 | D1-F, D3-F, D4-F |
Question 5
What content would be in an incident report if that incident report was based on the IEEE 829 Standard for SoftwareTest Documentation?
(i) Identification of configuration items of the software or system.
(ii) Software or system lifecycle process in which the incident was observed.
(iii) Description of the anomaly to enable reproduction of the incident.
(iv) Number of occurrences of the incident.
(v) Classification of the cause of the incident for metrics and for reporting purposes.
Number of correct answers: 1
Answer : C
According to the IEEE 829 Standard for Software Test Documentation, an incident report should contain the following information:
Identifier: A unique identifier for the incident report
Summary: A brief summary of the incident
Incident description: A description of the incident, including:
Date: The date when the incident was observed
Author: The name of the person who reported the incident
Source: The software or system lifecycle process in which the incident was observed
Test case: The identification of the test case that caused the incident
Execution phase: The phase of test execution when the incident was observed
Environment: The hardware and software environment in which the incident was observed
Description: A description of the anomaly to enable reproduction of the incident
Expected result: The expected result of the test case
Actual result: The actual result of the test case
Reproducibility: An indication of whether the incident can be reproduced or not
Impact analysis: An analysis of the impact of the incident on other aspects of the software or system
Incident resolution: A description of how the incident was resolved, including:
Resolution date: The date when the incident was resolved
Resolver: The name of the person who resolved the incident
Resolution summary: A brief summary of how the incident was resolved
Status: The current status of the incident (e.g., open, closed, deferred)
Classification information: A classification of the cause and effect of the incident for metrics and reporting purposes
Therefore, among the options given in this question, only (i), (iii), and (iv) are part of an incident report based on IEEE 829.
Question 6
A garden irrigation system allows the user to specify 2 inputs:
1. Frequency - The number of times the system should be automatically switched on per day; minimum once per day, maximum 5 times
2. Duration - The duration of operation, in whole minutes, each time it is switched on; ranging from 1 to 60
Applying 2-value boundary value analysis which of the following options has the correct test set of valid and invalid boundary values?
Answer : C
Frequency 0, 1, 5, 6; Duration 0, 1, 30, 60, 61 is the correct test set of valid and invalid boundary values applying 2-value boundary value analysis1.Boundary value analysis is a technique that tests the values at and near the boundaries of an input domain or output range1.A 2-value boundary value analysis tests two values for each boundary: one valid value and one invalid value1. For Frequency, the valid boundaries are 1 and 5, so the test set should include one valid value (1 or 5) and one invalid value (0 or 6) for each boundary. For Duration, the valid boundaries are 1 and 60, so the test set should include one valid value (1 or 60) and one invalid value (0 or 61) for each boundary. The other options are incorrect test sets of valid and invalid boundary values applying 2-value boundary value analysis. Option A only includes valid values for each boundary, but not invalid values. Option B includes invalid values that are not adjacent to the boundaries (59 seconds and 60 minutes 1 second). Option D includes more than two values for each boundary (0, 1, 2 for Frequency; 0, 1, 30 for Duration).
Question 7
Your task is to compile a test execution schedule for the current release of software.
The system specification states the following logical dependencies:
* An admin user must create/amend/delete a standard user.
* A standard user is necessary to perform all other actions.
The test plan requires that re-tests must be performed first, followed by the highest priority tests. To save time, the test plan states that tests should be scheduled to create test data for the subsequent tests in the schedule.
The following test cases have been designed, with an indication of priority (1 being the highest priority) and whether the test has previously failed.
Which test execution schedule meets the test plan requirements and logical dependencies?
Answer : D
The test execution schedule that meets the test plan requirements and logical dependencies is e, a, d, c, b. This schedule follows the order of re-tests first (e), followed by the highest priority tests (a and d), and then creates test data for subsequent tests (c and b).This schedule also respects the logical dependencies, as test case a creates an admin user, which is necessary for test case d to create a standard user, which is necessary for test cases c and b to perform other actions1.
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