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| Section | Objectives |
|---|---|
| Reviews and Defect Management | - Static testing and review process
|
| Testing Process in the Test Analyst Role | - Test planning, monitoring, and control in advanced testing contexts
|
| Testing of Software Quality Characteristics | - Non-functional quality aspects
|
| Test Tools and Test Automation Support | - Tool support for test analysis and execution
|
| Testing Techniques for Test Analysis | - Experience-based techniques
|
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NEW QUESTION # 22
You are testing the functional correctness of an application which generates quotes for motor insurance. The amount of the quote is governed by a combination of the following factors:
* Type of Cover, can be: comprehensive, third party damage only, or third party damage + fire and theft
* Vehicle Engine Size, can be: < 1500cc, < 2000cc, < 2500cc, > =2500cc
* Driving Licence Type, can be: fully qualified, or student driver
* Vehicle Storage Type, can be: locked garage, or unlocked private place, or public place
* Time Since Last Claim, can be: < 1year, < 2yrs, < 3yrs, > =3yrs
In order to achieve full PAIRWISE coverage, how many combinations must be tested?
Answer: D
Explanation:
The correct answer is C . Pairwise coverage means that every possible pair of parameter-value pairs across any two parameters must appear in at least one test case. CTAL-TA v4.0 defines pairwise coverage as coverage where the coverage items are pairs of parameter-value pairs for any two parameters, and notes that tools are commonly used because finding a minimal set can be difficult.
Here the parameter value counts are: Type of Cover = 3 , Vehicle Engine Size = 4 , Driving Licence Type = 2
, Vehicle Storage Type = 3 , and Time Since Last Claim = 4 . The largest two-parameter interaction is between the two 4-value parameters: Vehicle Engine Size × Time Since Last Claim = 4 × 4 = 16 required pairs. Therefore, no pairwise suite can have fewer than 16 tests, because each test can cover only one specific pair between those two parameters.
A 16-test pairwise suite is achievable because the remaining 3-value, 2-value, and 3-value parameters can be distributed across those 16 rows while preserving all required two-way interactions. Option D , 288, is the full exhaustive combination count: 3 × 4 × 2 × 3 × 4 = 288 , not pairwise coverage. Option A and B are insufficient or unsupported by the pairwise lower bound. Reference: CTAL-TA v4.0, Section 3.1.2 Combinatorial Testing .
NEW QUESTION # 23
The following activity diagram, drawn in Business Process Modeling Notation (BPMN), shows the process of raising a Purchase Request (PR), getting it authorized and raising a Purchase Order from it.
What is the minimum quantity of test cases that will be needed to cover all scenarios?
Answer: B
Explanation:
The correct answer is B , because the BPMN model contains two executable end-to-end scenarios . CTAL- TA v4.0 classifies scenario-based testing as a behavior-based technique where the Test Analyst creates a scenario model from action sequences that form workflows through the test item. The syllabus specifically mentions activity diagrams and BPMN-style workflow models as scenario-model sources, and states that test cases are designed to cover the identified scenarios.
In the diagram, the process starts when something is needed and the merchandiser enters the details of goods wanted. The manager then decides whether to authorize the PR. From that decision, there are only two real scenario outcomes. The first is the authorized scenario : the PR is authorized, the supplier is identified, the PR is updated and a Purchase Order is created, and the Purchase Order is sent. The second is the rejected scenario : the PR is rejected, the PR is cancelled, and the merchandiser considers the consequence of rejection.
The notification/result-of-authorization flow does not create separate scenarios; it is part of the same authorized or rejected process path. The note saying the merchandiser may try again is not a modeled loop because no BPMN flow returns to the start. CTAL-TA states that when the scenario model has no loops, each scenario can be tested with a separate test case. Therefore, the minimum quantity is 2 test cases .
NEW QUESTION # 24
You are a TA in the development of a road traffic control application, which will be installed at busy road junctions, to control the operation of traffic signal lights according to sensors that detect traffic volume. This safety-critical project is still in the early stages of test planning and the project schedule is tight.
The Test Manager has asked you if crowd testing should be included in the project's test strategy. You do NOT think it should. Which limitation of crowd testing MOST influences your view?
Answer: D
Explanation:
The correct answer is A . Crowd testing can provide scale, diversity of devices, and real-world variety, but its major weakness for a safety-critical road traffic control system is the variability of tester skill and therefore the variability of test quality. CTAL-TA v4.0 discusses crowd testing as a technique that may be useful in some contexts but has limitations, including variability in tester capability, control, coordination, documentation, and confidentiality. For a safety-critical system, the decisive factor is not geographical inconvenience or volume of findings; it is the need for controlled, rigorous, repeatable, competent testing against safety-relevant behavior.
Traffic signal control software must be tested using disciplined techniques, traceable test conditions, formal models, carefully selected scenarios, and controlled environments. Incorrect behavior could cause accidents, traffic conflict, or unsafe signal timing. Crowd testers are unlikely to have the necessary domain knowledge, safety-testing discipline, access to representative simulation rigs, or ability to produce the evidence expected for a safety-critical project.
Option B is a real crowd-testing limitation, but coordination overhead is not the strongest objection here.
Option C may matter, but the question gives no special confidentiality driver. Option D is relevant, but documentation burden is secondary to the unacceptable variability in testing quality. Reference: CTAL-TA v4.
0, Section 3.5.1 Crowd Testing .
NEW QUESTION # 25
During a sprint retrospective it was noted that some test cases were interpreted differently between the Product Owner and the Test Analysts. Which test case quality criteria may need some attention?
Answer: C
Explanation:
The correct answer is C . The phrase "interpreted differently" is the key. CTAL-TA v4.0 defines precision as the quality criterion that ensures there is only one interpretation of a test case. The syllabus states: "There should be only one interpretation of a test case to avoid false-negative and false-positive test results," and warns against ambiguous terms such as "suitable," "as needed," or "several." This is not mainly an understandability issue. A test case may be understandable in plain language but still imprecise if different stakeholders infer different exact expected outcomes, input values, business rules, or acceptance thresholds. In this scenario, both the Product Owner and Test Analysts can read the test cases, but they are deriving different meanings from them. That is ambiguity, and ambiguity is a precision failure.
Option A , understandability, would be more appropriate if stakeholders could not understand the language or structure of the test case at all. CTAL-TA says test cases should be understandable to all stakeholders and may need simplification if complex. Option B , consistency, concerns uniform language, formatting, and structure. Option D , completeness, concerns whether necessary attributes, test data, and expected results are present. Here the defect symptom is specifically multiple interpretations, so precision is the exact quality criterion being violated. Reference: CTAL-TA v4.0, Section 1.3.2 Quality Criteria for Test Cases .
NEW QUESTION # 26
You are working on an Agile project to develop a web-based online dating service that will allow members of the service to enter their profile, meet people who would be a good match for them, arrange social events with those people and to block people with whom they do not want contact.
Functional correctness, usability, performance and security are all important but the major concern for the stakeholders is data protection. Two environments are available for testing: the regular one is similar to the development environment, the other is a pre-production environment which is configured to become the live system when operation begins, but has currently been loaded with a representative volume of artificial profiles.
The features for member profile entry have been delivered and tested. The current iteration will deliver profile matching, which will be done on-demand in response to a request from a member to see matching profiles in their browser. The tests for these user stories' acceptance criteria will be aimed primarily at functional correctness and will be scripted. Performance testing and security testing will be done by external specialists when the functionality is stable.
The other TAs in the team are on sick leave and only have time for one exploratory test session before the end of the iteration. What is the MOST appropriate test charter in these circumstances?
Answer: C
Explanation:
The correct answer is D . A test charter must focus the exploratory session on the most relevant target, resources, and information objective. CTAL-TA v4.0 states that a session-based test charter provides the mission of a test session and commonly follows the structure "Explore [target] With [resources] To discover [information]" . The charter should consider customer, requirement, product, and project- management factors such as business value, feature scope, time constraints, and risks.
Here, the current iteration delivers profile matching , not profile entry. Profile entry has already been delivered and tested, so option A wastes the only available exploratory session on old functionality. Option B is weak because security vulnerabilities are scheduled for external specialists, and a regular environment is not the right basis for serious security evaluation. Option C is also misdirected because performance testing will be handled by specialists after the functionality stabilizes; using the pre-production environment for performance exploration now risks consuming scarce effort outside the TA's immediate responsibility. Option D is best because it targets the current feature, uses the regular test environment, and complements the scripted acceptance tests by searching for functional issues not covered by the acceptance criteria. Reference:
CTAL-TA v4.0, Section 3.4.1 Test Charters Supporting Session-Based Testing .
NEW QUESTION # 27
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