[May-2024] Updated ISTQB CTAL-TTA Dumps – PDF & Online Engine
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NEW QUESTION # 16
Which of the following statements best captures the difference between data-driven and keyword-driven test automation?
- A. Keyword-driven test automation extends data-driven automation by defining keywords corresponding to business processes.
- B. Data-driven test automation extends keyword-driven automation by defining data corresponding to business processes.
- C. Keyword-driven test automation is easier to develop than data-driven test automation.
- D. Data-driven test automation is more maintainable than keyword-driven test automation.
Answer: A
Explanation:
Keyword-driven test automation is a framework where test cases are written using keywords that represent the actions or tests to be performed on the system. This is an extension of data-driven test automation, which focuses on separating test scripts from the test data, allowing the same test script to be run with various sets of data. Keyword-driven test automation further abstracts the process by allowing tests to be written in a more human-readable form that corresponds to business processes. This approach can improve maintainability and readability of test cases, making them easier to understand and modify. It's not necessarily the case that one is more maintainable or easier to develop than the other (Options C and D); rather, they serve different purposes in test automation strategy.
NEW QUESTION # 17
Consider the following fault attack:
* Force all possible incoming errors from the software/operating system interfaces to the application.
Which of the following is the kind of failure you are looking for when using this attack?
- A. Application crashes due to a lack of portability.
- B. Application miscalculates total monthly balance due on credit cards.
- C. Application crashes when unsupported characters are pasted into an input field.
- D. Application crashes when the network is unavailable.
Answer: C
Explanation:
The fault attack described involves forcing all possible incoming errors from software/operating system interfaces. The type of failure being sought is one where the application does not handle erroneous or unexpected input correctly, which can lead to crashes or other unintended behavior. Thus, an application crash when unsupported characters are pasted into an input field is a typical failure that this kind of fault attack would aim to uncover.
NEW QUESTION # 18
Within an embedded software project, the maintainability of the software is considered to be critical. It has been decided to use static analysis on each delivered software component.
Which of the following metrics is NOT a maintainability metric typically used with static analysis?
- A. Comment Frequency
- B. Number of Function Calls
- C. Number of Lines of Code (LOG)
- D. Mean Time Between Failures
Answer: D
NEW QUESTION # 19
Consider the pseudo code provided below:
Which of the following options provides a set of test cases that achieves 100% decision coverage for this code fragment, with the minimum number of test cases?
Assume that in the options, each of the three numbers in parenthesis represent the inputs for a test case, where the first number represents variable "a", the second number represents variable "b", and the third number represents variable "c".
- A. (5. 3,2)
- B. (4,5. 0); {5, 4, 5)
- C. (5. 3, 2); (6, 4, 2); (5, 4, 0)
- D. (5. 4, 0); (3, 2, 5); (4, 5, 0)
Answer: C
Explanation:
To achieve 100% decision coverage with the minimum number of test cases, we need to ensure that every branch of the decision is taken at least once. For the code provided:
The first condition (a>b) is true for the first two test cases and false for the third.
The second condition (b>c) is true for the first test case, false for the second, and does not matter for the third since the first condition is false.
Therefore, with these three test cases, we cover all possible outcomes of the decision, ensuring 100% decision coverage.
NEW QUESTION # 20
Within the world of consumer electronics, the amount of embedded software is growing rapidly. The amount of software in high-end television sets has increased by a factor of about eight over the last six years. In addition, the market of consumer electronics has been faced with a 5 -10% price erosion per year. The price of a product is, among a number of other things, determined by the microcontroller used. Therefore, the use of ROM and RAM remains under high pressure in consumer electronic products, leading to severe restrictions on code size.
You are a Technical Test Analyst involved in the review of the architecture of this project.
Which of the following issues would be MOST important to focus on during the review and when verifying the correct implementation?
- A. Caching
- B. Connection pooling
- C. Transaction concurrency
- D. Lazy instantiation
Answer: D
Explanation:
The key context here is the challenge of managing limited resources, particularly ROM and RAM, due to severe restrictions on code size in consumer electronics. Lazy instantiation is a design pattern that defers the creation of an object until the first time it is needed. This approach can significantly reduce the application's memory footprint by avoiding unnecessary pre-allocation of memory, which is particularly valuable in systems where memory resources are constrained. In reviewing the architecture for such a system, it's crucial to ensure that objects are only created when necessary and that memory is optimally managed. Hence, the focus on lazy instantiation would be most important to ensure that the system uses resources efficiently and remains within the restricted code size.
NEW QUESTION # 21
Which of the following is a valid reason for including security testing in a test approach?
- A. To evaluate the ability of a system to handle peak loads at or beyond the limits of its anticipated or specified workloads
- B. Software changes will be frequent after it enters production.
- C. There is a threat of unauthorized copying of applications or data.
- D. To provide measurements from which an overall level of availability can be obtained.
Answer: C
Explanation:
Including security testing in a test approach is valid when there are concerns about unauthorized access or activities, such as the threat of unauthorized copying of applications or data (option A). This type of testing aims to uncover vulnerabilities that could be exploited to compromise the confidentiality, integrity, or availability of the system. The other options listed-availability measurements (option B), system's peak load handling (option C), and frequent software changes (option D)-relate to different aspects of testing, such as reliability, performance, and maintainability, which are not directly associated with security testing.
NEW QUESTION # 22
At which test level would reliability testing most likely be performed?
- A. Functional acceptance testing
- B. System testing
- C. Static testing
- D. Component testing
Answer: B
Explanation:
Reliability testing is aimed at verifying the software's ability to function under expected conditions for a specified period of time. It is typically conducted during system testing, where the software is tested in its entirety to ensure that all components work together as expected in an environment that closely simulates the production environment. Reliability testing is not typically associated with static testing, component testing, or functional acceptance testing, as these levels of testing do not address the overall behavior of the system over time.
NEW QUESTION # 23
Which of the following statements is TRUE regarding tools that support component testing and the build process?
- A. Component testing and build automation tools are only used by developers.
- B. Component testing tools are typically specific to the programming language and may be used to automate unit testing.
- C. Build automations tools facilitate manual testing at a low level by allowing the change of variables values during test execution.
- D. Component testing tools are the basis for a continuous integration environment.
Answer: B
Explanation:
Component testing tools, which are often specific to a programming language, are used to automate unit tests (answer C). These tools help to validate the functionality of individual components or units of code in isolation from the rest of the application. While build automation tools are indeed used by developers and are related to continuous integration (answers A and D), and they can facilitate testing at various levels (answer B), component testing tools' primary purpose is to support the testing of individual components, often through automated unit tests, which can be specific to the language in which the components are written.
NEW QUESTION # 24
Which of the following is a valid reason for including performance testing in a test approach?
- A. To evaluate the ability of a system to handle increasing levels of load.
- B. To mitigate the risk of long response times to defects reported by users and/or customers.
- C. To reduce the threat of code insertion into a web page which may be exercised by subsequent users.
- D. To evaluate the system's tolerance to faults in terms of handling unexpected input values.
Answer: A
Explanation:
Performance testing is a key part of ensuring that a system can handle the expected load and perform well under high demand. This type of testing is designed to test the robustness, speed, scalability, and stability of the system under a given workload. It is not primarily concerned with security threats such as code insertion (Option A), nor with fault tolerance in terms of unexpected input values (Option B), nor with the speed of addressing user-reported defects (Option C), although these may be tangential benefits. Performance testing is focused on ensuring that the system meets performance criteria and can handle increasing loads without degradation of service, which is essential for providing a good user experience and for the system's reliability.
NEW QUESTION # 25
You are working on project where re-use of software is an objective. You are involved in the project as a Technical Test Analyst and have been given the task to develop a checklist for code reviews.
Which question from the list below should you implement as part of the code review checklist?
- A. Are all modules, data, and interfaces uniquely identified?
- B. Are all variables defined with meaningful, consistent and clear names?
- C. Is it possible during acceptance testing to verity whether the item has been satisfied?
- D. Can each item be implemented with the techniques, tools, and resources available?
Answer: A
Explanation:
For a project where the reuse of software components is a key objective, it is essential to ensure that all modules, data, and interfaces are uniquely identified. This facilitates the tracking, maintenance, and reuse of these components in different parts of the software or in other projects. Unique identification helps in preventing confusion and conflicts that may arise due to the reuse of components that have the same name but different functionalities or interfaces.
NEW QUESTION # 26
You are working on an internet banking project. Your company is offering this product to the financial market. For each new customer, some customization will typically be needed. To make the product successful there is a strong focus during development on a reliable and maintainable architecture. To support architectural reviews, a checklist will be developed. Within the checklist specific sections will be attributed to reliability and maintainability.
Which question from the list below should you include in the maintainability section of the architectural review checklist?
- A. Does the system have user-friendly error messages?
- B. Does the password protection of the system adhere to the latest regulations?
- C. Will the system use n-version programming for critical components?
- D. Will the user interface be implemented independently from the other software modules?
Answer: D
Explanation:
In the context of an internet banking project where reliability and maintainability are emphasized, a key factor for maintainability is the modularity of the system. Implementing the user interface independently from other software modules (answer B) can significantly enhance maintainability. This is because it allows changes to be made to the user interface without impacting the underlying business logic or data access layers, making the system more adaptable to change. This kind of separation of concerns is a recognized best practice in software design for maintainability. The other options (A, C, and D) relate more to reliability and security aspects than to maintainability.
NEW QUESTION # 27
Assume you are involved in testing a Health Insurance Calculation system.
At the main screen one can enter information for a new client. The information to be provided consists of last name, first name and date of birth. After confirmation of the information, the system checks the age of the potential new client and calculates a proposed premium.
The system also has the option to request information for an existing client, using the client's ID number.
A keyword-driven automation approach is being used to automate most of the regression testing.
Based on the information provided, which TWO of the options provided would be the MOST LIKELY keywords for this application? (Choose two.)
- A. Remove_Client
- B. Exclude_Client
- C. Enter_Client
- D. Select_Client
- E. Print_Premium
Answer: C,D
Explanation:
Considering the functionalities described for the Health Insurance Calculation system, the keywords would represent the main actions that can be performed in the system. 'Enter_Client' would be a keyword for entering new client information, which is a primary feature of the system as described. 'Select_Client' would be used to retrieve information for an existing client using the client's ID number, which is another main functionality. Other options such as 'Remove_Client', 'Print_Premium', and 'Exclude_Client' are not explicitly mentioned in the provided system functionalities, therefore, 'Enter_Client' and 'Select_Client' are the most likely keywords for automation.
NEW QUESTION # 28
Which of the following statements BEST describes how tools support model-based testing?
- A. An engine is provided that allows the user to execute the model.
- B. Finite state machines are used to describe the intended execution-time behavior of a software-controlled system.
- C. Random sets of threads of execution are generated as test cases.
- D. Large sets of test cases are generated to provide full code coverage.
Answer: B
Explanation:
Model-based testing tools support the creation and execution of tests based on models of the system under test. Finite state machines (FSMs) are often used in model-based testing to describe the expected behavior of a system during execution. FSMs help in defining the states of the system and the transitions between these states based on events, which can then be used to generate test cases that validate the system's behavior against the model.
NEW QUESTION # 29
Consider the pseudo code for the Answer program:
Which of the following statements about the Answer program BEST describes the control flow anomalies to be found in the program?
- A. The Answer program contains unreachable code and an infinite loop.
- B. The Answer program contains an infinite loop.
- C. The Answer program contains no control flow anomalies.
- D. The Answer program contains unreachable code.
Answer: A
Explanation:
The provided pseudo code for the Answer program shows a WHILE loop that will always execute because the condition for the loop to terminate (a >= d) is never met within the loop's body. This results in an infinite loop. Additionally, since the value of 'b' is initialized with 'a + 10' and 'a' starts from a value that is read and then set to 2, 'b' will never be equal to 12. Therefore, the 'THEN' branch of the IF statement, which includes 'print(b)', is unreachable. These are control flow anomalies because they represent logic in the code that will not function as presumably intended.
NEW QUESTION # 30
Which of the following is NOT a common issue with traditional capture/playback test automation?
- A. Difficult to maintain when software changes.
- B. Data and actions are mixed in the recorded script.
- C. Recorded scripts are difficult to maintain by non-technical persons.
- D. Execution of the recorded script is difficult outside office hours.
Answer: D
Explanation:
Common issues with traditional capture/playback test automation include difficulty in maintaining the scripts when software changes (option A), the challenge for non-technical persons to maintain recorded scripts (option B), and the issue that data and actions are often intertwined within the recorded script (option C), which can make them hard to understand and modify. However, the timing of the execution of the recorded script (option D), such as the difficulty of running scripts outside office hours, is not typically a problem inherent to capture/playback test automation itself but rather an environmental or scheduling issue.
NEW QUESTION # 31
You are asked to provide a practical and pragmatic testing solution for a commercial system where the main user interface is via the Internet. It is critical that the company's existing good name and market profile are not damaged in any way. Time to market is not a critical issue when appropriate testing solutions are identified to mitigate business risks.
A product risk assessment has revealed the following product risk:
* Abnormal application termination due to connection failure of the main interface.
Which of the following is the appropriate test type to address this risk?
- A. Reliability testing
- B. Portability testing
- C. Operability testing
- D. Performance efficiency testing
Answer: A
Explanation:
Reliability testing is the process of checking whether the software consistently performs according to its specifications. For a commercial system with a critical internet-based user interface, ensuring that the application can handle connection failures without abnormal terminations is essential. Reliability testing would include testing the system's ability to recover from failures and continue operating, which directly addresses the risk identified.
NEW QUESTION # 32
Consider the following specification:
If you are flying with an economy ticket, there is a possibility that you may get upgraded to business class, especially if you hold a gold card in the airline's frequent flier program. If you don't hold a gold card, there is a possibility that you will get 'bumped' off the flight if it is full when you check in late.
This is shown in the control flow graph below. Note that each box (i.e., statement, decision) has been numbered.
Three tests have been run:
Test 1: Gold card holder who gets upgraded to business class
Test 2: Non-gold card holder who stays in economy
Test 3: A person who is bumped from the flight
What is the level of decision coverage achieved by these three tests?
- A. 75%
- B. 80%
- C. 60%
- D. 67%
Answer: D
Explanation:
The control flow graph provided illustrates the decision points for an airline's upgrade and boarding process. Decision coverage is a measure of the percentage of decision points executed during testing:
Test 1 covers the decision points: Gold card? (Yes) and Business full? (No).
Test 2 covers: Gold card? (No) and Economy full? (No).
Test 3 covers the decision that leads to being bumped from the flight, which is Economy full? (Yes) and Business full? (Yes).
From the given tests, the decision points for Gold card? (No) and Business full? (No) are not tested, leaving us with 4 out of 6 decision points covered, which is approximately 67% decision coverage.
NEW QUESTION # 33
Below is the pseudo-code for the Win program:
The bingo program contains a data flow anomaly. Which data flow anomaly can be found in this program?
- A. Variable 'D" is defined but subsequently not used.
- B. It is recommended to use a variable instead of the hard-coded print results "Win" and *Loose".
- C. The program does not contain any comments.
- D. Variable 'A" is not assigned a value before using it.
Answer: A
Explanation:
The pseudo-code provided for the "Win" program reads in variables A, B, C, and D. However, only variables A, B, and C are used in the conditional statements to determine if the output will be "Win" or "Loose". Variable 'D' is never used after it is read, which is a classic example of a 'defined but not used' data flow anomaly. This means that while there is an instruction to read a value into variable 'D', there is no subsequent use of this variable in the program's logic or output.
NEW QUESTION # 34
Which of the following statements is TRUE regarding tools that support component testing and the build process?
- A. Both are used to examine source code before a program is executed. This is done by analysing a section of code against a set (or multiple sets) of coding rules.
- B. Both provide an environment for unit testing in which a component can be tested in isolation with suitable stubs and drivers.
- C. Both provide run-time information on the state of the software code, e.g., unassigned pointers and the use and de-allocation of memory.
- D. Both are used to reduce the costs of test environments by replacing real devices.
Answer: B
Explanation:
Tools that support component testing and the build process are designed to provide a controlled environment where individual units or components of the software can be tested in isolation. This is typically done using stubs, which simulate the behavior of missing components, and drivers, which simulate the behavior of a user or calling program. This isolated environment is essential for unit testing because it allows testers to find defects within the boundaries of a single component before integrating it into the larger system.
NEW QUESTION # 35
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