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ISTQB Certified Tester Advanced Level Technical Test Analyst Sample Questions (Q159-Q164):
NEW QUESTION # 159
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.
Within a new high-end TV project, it has been decided to apply dynamic analysis.
Which of the quality goals listed below is MOST appropriate to the project context?
Answer: A
Explanation:
In the context of consumer electronics, where there is rapid growth in embedded software and pressure to minimize code size due to cost constraints, dynamic analysis can be particularly useful for improving system performance. Dynamic analysis involves examining the system's behavior during execution, which can provide insights into the efficiency of the code at runtime, memory utilization, and processing speed. In a high-end TV project where the use of ROM and RAM is under severe restrictions, dynamic analysis would be most appropriately applied to improve system performance, ensuring that the software runs efficiently within the available hardware resources. This supports the project context by contributing to the optimization of the software to run within the constraints of the microcontroller used, thereby potentially reducing costs.
NEW QUESTION # 160
You are involved in testing a system in the medical domain. Testing needs to comply with the FDA requirements and is rated as being safety critical. A product risk assessment has been performed and various mitigation actions have been identified. Reliability testing is one of the test types that needs to be performed throughout the development lifecycle.
Based on the information provided, which of the following activities would need to be addressed in the test plan?
Answer: C
Explanation:
In the context of safety-critical systems, particularly in the medical domain, reliability is of utmost importance.
For such systems, it is crucial to ensure that the software can handle unexpected input values and continue to operate without failure. This is essential to ensure patient safety and compliance with FDA requirements.
Vulnerability scans (option A) are more related to security testing, whereas scalability (option C) and installation/de-installation (option D) are important but not specifically related to the reliability and safety criticality of the system in the medical domain.
NEW QUESTION # 161
Which of the following statements is TRUE regarding tools that support component testing and the build process?
Answer: D
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 # 162
The stakeholders in a new system want its mean time between failure to be three months or longer, with a mean time to repair the system of ten minutes or less when it does fail. When planning and specifying reliability tests to be performed before release, which ONE of the following is a factor that must be considered?
Answer: B
Explanation:
Analysis:
For a system to meet its reliability requirements, it must maintain a mean time between failure (MTBF) of three months or longer and a mean time to repair (MTTR) of ten minutes or less. When planning and specifying reliability tests, several factors must be considered to ensure these requirements are met.
Key Factor:
B: Determining the target availability for the system:
* Availability is a critical factor that encompasses both the MTBF and MTTR. Availability is calculated based on the uptime and downtime of the system, which directly correlates with MTBF and MTTR.
Determining the target availability helps ensure that the system can meet the required reliability standards by specifying acceptable levels of uptime and downtime.
Explanation of Incorrect Options:
* A. Defining the replaceability requirements:
* Replaceability pertains to the ease with which components can be replaced or updated. While important for maintainability, it is not the primary focus for reliability testing in this context.
* C. Monitoring reliability in production:
* Monitoring in production is important for ongoing reliability assessment but is not a primary consideration when planning and specifying tests before release.
* D. Configuring a production-like test environment:
* This is essential for accurate testing but is a logistical consideration rather than a direct factor in the reliability requirements.
References:
The ISTQB CTAL-TTA syllabus and standard practices in reliability testing emphasize the importance of availability metrics in planning reliability tests.
Sources:
* ISTQB-CTAL-TTA Syllabus
* General knowledge on reliability testing and availability.
NEW QUESTION # 163
Which option below BEST explains the value of a test charter in exploratory testing"5 SELECT ONE OPTION
Answer: A
Explanation:
The value of a test charter in exploratory testing is that it provides guidance for the tester at the beginning of a test session. This helps structure the exploratory testing process by defining objectives, scope, and potential test ideas, while still allowing the flexibility inherent in this testing approach .
NEW QUESTION # 164
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