FREE ISTQB Advanced Level Questions and Answers
Envision yourself as a test manager engaged in a project to develop a programmable thermostat intended for residential usage, which would regulate HVAC systems (central heating, ventilation, and air conditioning). Apart from its standard HVAC control features, the thermostat can also transfer data to a PC browser-based application for additional study. As a quality risk item with a high probability, compatibility issues between the browser-based application and the various PC setups that potentially host it are found during quality risk analysis. Compatibility testing is your planned solution to mitigate this risk. How would you go about tracking how testing affects this risk reduction while the test is being run?
The test manager can keep an eye on how testing is reducing the risk associated with compatibility issues between the browser-based application and various PC settings by examining the quantity of defects discovered related to this risk item. With this method, the test manager can monitor the extent to which the indicated risk is being addressed and ascertain whether the testing efforts are successfully lowering the quantity of compatibility-related faults. It aids in decision-making about additional steps to reduce risk and provide insightful information about how well the testing method worked.
Assume once more the scenario from the previous questions, in which you are a test manager working on a project to create a programmable thermostat for home use to control central HVAC (heating, ventilation, and air conditioning) systems. The possibility of excessive compressor cycling, or turning the unit on and off repeatedly at short intervals, causing damage to the HVAC system, has been identified as a critical quality risk for this system. Which of the following best describes how an IEEE 829 test plan may be used to guide relevant testing for this risk?
The right response indicates that a fair method of using an IEEE 829 test plan to guide appropriate testing for the risk of damage to the HVAC system is to list the feature that avoids excessive cycling as a feature to be tested. By include the specific feature linked to preventing excessive cycling in the testing process, this technique guarantees that the usefulness of the feature in minimizing the risk can be thoroughly evaluated and validated. This critical quality risk is sufficiently handled during the testing phase because the test plan specifically names it as a feature to be tested.
Proceed with the scenario that was previously explained. Which of the following subjects would the master test plan need to cover in-depth?
Regression testing strategy should be covered in the master test plan. Regression testing is done to make sure that software updates or fixes don't add new bugs or break already-existing functionality. To guarantee that previously tested functionalities continue to function, it entails retesting those features. Therefore, in order to guarantee that this crucial component of testing is appropriately planned and carried out, a regression testing strategy must be specified in the master test plan.
You are determining risk priorities in a formalized quality risk analysis session that uses the Failure Mode and Effect Analysis technique. In this calculation, which of the following is an important factor?
The two main components used to determine risk priorities in a formalized quality risk analysis session utilizing the Failure Mode and Effect Analysis technique are severity and priority. Priority denotes the pressing need or significance of resolving the failure, whereas severity describes the possible effect or harm that could arise from a failure. The analysis is able to prioritize the risks that have the greatest potential impact and urgency by taking into account both severity and priority. This enables the proper allocation of resources and mitigation techniques.
Let's say you work as a test manager for a bank and are in charge of acceptance, system, and integration testing. You are employed on a project to modernize an automated teller machine so that users can use credit cards that are supported to get cash advances. All compatible credit cards should be able to receive cash advances from $20 to $500 through the system. American Express, Visa, MasterCard, Eurocard, and Japan Credit Bank credit cards are supported. Which of the following best sums up the helpful advice that a significant stakeholder can offer during a high-quality risk analysis?
The ideal way to include a help desk employee's perspective on a risk item's impact is via a quality risk analysis. They have firsthand knowledge and experience of the possible effects a risk item may have on consumers and the system as a whole because they are in charge of responding to questions and concerns from customers. They can offer insightful information about the possible outcomes and seriousness of a risk item, assisting the test manager in making defensible choices throughout the risk analysis procedure.
Proceed with the scenario outlined in the priceless query.
For every person-month of development team effort, the test team has historically discovered about 12 defects during system testing on seven previous projects. A new project that is expected to be completed in the next six months has five developers allocated to it. Assume that the convergence chart indicates a flattening of the cumulative number of bugs detected at 351 flaws.
Which of the following claims is most likely to be true based just on the facts provided?
The test team has discovered about 12 issues for every person-month of development work, according to previous data. The anticipated number of defects, with five developers working on the project for six months, would be 12 * 5 * 6 = 360. On the other hand, the convergence chart indicates that the total number of bugs has leveled off at 351. Consequently, it can be said that the team has discovered about the same amount of flaws as would be anticipated from a system test.
You are organizing the testing of an integrated system that will handle an accounts-receivable system for a bank using three off-the-shelf components. With project and system stakeholders, you are holding an informal quality risk analysis session to decide which test conditions and to what extent each should be tested. In this quality risk analysis session, which of the following is a quality risk item that you might identify?
The computation of excessive late-payment penalties for invoices can be recognized as a quality risk item in the scenario provided. This is due to the possibility of financial losses for the bank and consumer displeasure in the event that the system is unable to appropriately calculate the fines. As a result, it's critical to recognize this risk and make sure that comprehensive checks and validations are a part of the testing procedure for determining late payment penalties.
Which of the following best exemplifies a method for managing test progress with respect to the amount of quality risk that remains?
Counting the number of tested risk items with known flaws and the number of tested risk items without known faults is the greatest example of a technique for regulating test progress in terms of the residual level of quality risk. This method primarily focuses on locating and monitoring the risks connected to the objects being evaluated. The amount of quality attained thus far can be determined by calculating the number of risk items that have no known flaws. However, calculating the quantity of risk items that have recognized flaws aids in keeping an eye on and controlling the remaining quality risks.
In which of the following scenarios would you anticipate the greatest amount of new or altered risk items and risk levels to come from an iterative quality risk analysis?
Receiving a draft design specification after doing a risk analysis on the final requirements specification is probably going to produce the most new or modified risk items and risk levels. This is due to the fact that the draft design specification presents fresh data and prospective modifications to the project, which could result in the discovery of fresh hazards or adjustments to already-existing ones. Any major additions or modifications to the project documentation would probably necessitate a reevaluation of the risks involved, as the risk analysis aids in the identification and assessment of potential risks.
As a test manager, which of the following actions may you take to mitigate project risk?
One project risk mitigation measure a test manager may take is to purchase several test environments in case one fails during testing. This phase minimizes the impact on the project schedule and enables timely completion of testing operations by ensuring that testing can continue even in the event that one test environment fails. The test manager can swiftly move to a different environment and continue testing without experiencing any major delays or disruptions if alternative test environments are easily accessible. By taking a proactive stance, the possibility of test environment malfunctions leading to delays or setbacks is reduced.
Which of the following projects would benefit most from failure mode and effect analysis as a risk analysis method?
A risk analysis technique called failure mode and effect analysis (FMEA) is used to examine the possible consequences of prospective system failures as well as to identify and rank them. It helps to proactively identify probable failure modes and their consequences on the safety of the system, which is especially helpful in projects when the system under test is complicated and safety crucial. Since there could be serious repercussions from a failure in these kinds of projects, it is crucial to recognize and reduce risks as soon as possible to guarantee system dependability and safety.