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Which statement about Static Testing is TRUE?
Static testing is a type of testing that does not involve executing the software or system under test, but rather analyzing it using various techniques, such as reviews, inspections, walkthroughs, checklists, static analysis tools, etc. Static testing can be applied to any work product that participants know how to read and understand, such as requirements specifications, design specifications, code, test cases, test plans, user manuals, etc. Static testing can help find defects and improve the quality of any work product at any stage of the software development lifecycle.
Which of the following statements about software development models is most accurate? [K1]
How are statement testing and decision testing techniques similar?
Structure-based testing techniques (also known as white-box testing techniques or code-based testing techniques) use the information of the internal structure of the component or system to derive test cases. They are commonly used at component testing and component integration testing levels, but can also be used at system and acceptance levels.
The main advantage of structure-based testing techniques is that they can reveal defects that are not easily found by other techniques, such as logic errors, incorrect assumptions, or incomplete paths. The main disadvantage of structure-based testing techniques is that they require access to the source code, which may not be available or feasible in some situations.
Statement testing is a structure-based testing technique that aims to cover all the executable statements in the code at least once. Decision testing is a structure-based testing technique that aims to cover all the possible outcomes of each decision in the code (true and false) at least once.
A, B, and D are incorrect answers. Specification-based testing techniques, experience-based testing techniques, and black box test design techniques are not similar to statement testing and decision testing techniques. Specification-based testing techniques are based on the requirements and functionality of the software rather than its structure and logic. Experience-based testing techniques are based on the knowledge and intuition of the testers rather than any formal analysis or criteria. Black box test design techniques are based on the external behavior and output of the software rather than its internal structure and logic.
A booking system for a city bus service prices its fares according to the time of travel:
* Peak-time tariff starts at 0600 and finishes at 1000 am
* Off-peak tariff applies during all other times of service
* The bus service does not operate between 2300 and the start of the next day's peak service
Note that all times mentioned are inclusive.
When applying the equivalence partitioning test design technique, which of the following options, shows test case inputs that each fall into a different equivalence partition?
Peak-time tariff: This partition contains all the times between 0600 and 1000 (inclusive), which are subject to a higher fare.
Off-peak tariff: This partition contains all the times between 1001 and 2259 (inclusive), which are subject to a lower fare.
No service: This partition contains all the times between 2300 and 0559 (inclusive), which are not valid for travel.
Therefore, to test the system's behaviour for each partition, we need to choose one test case input from each partition. Among the options given in this question, only D contains one test case input from each partition. 2400 belongs to the no service partition, 1000 belongs to the peak-time tariff partition, and 2301 belongs to the off-peak tariff partition. Therefore, D is the correct answer.
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