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Question 6

Based on the system state transition diagram of an ATM system shown below, using the state transition test technique which of the following is an example of a test case required to achieve 1-switchcoverage?

A.1 st try -> 2nd try -> 3rd try
B.1 st try-> 2nd try
C.1st try -> 2nd try -> eat card
D.1 st try -> 2nd try -> 3rd try -> access to act

Question 7

Your Test Manager has assigned you to work with selected business users to ensure the application under test has met usability requirements, and has met your business users' expectations. Which of the following would be appropriate for your given task?

A.Apply structure-based techniques to ensure the data flow matches the use case specifications
B.Strictly monitor testing to ensure that all aspects of the application comply with all written requirements
C.Conduct pre-test interviews to give instructions to the users, and post-test interviews to get their feedback
D.Design a variety of test cases focused on functional outcomes

Question 8

Which of the following is an appropriate task for the Test Analyst to perform during the test execution phase?

A.Creating a test execution schedule
B.Finalizing test data and test environments
C.Analysing anomalies to establish their likely causes
D.Creating automated tests

Question 9

company in the medical domain has adopted methodical testing as its preferred test strategy Before being able to release to the market an external audit on the test process is mandatory. The test team consists of a mix of highly experienced domain-based testers and junior testers who only recently joined the company.
What is the BEST option regarding the level of detail and documentation required for test cases in the project?

A.Low-level test cases since this will support both the external audit and the new junior testers.
B.Low-level test cases since it will make the process more effective and it will make the best use of the knowledge and skills of the experienced domain testers.
C.High-level test cases since this is consistent with the chosen test strategy
D.High-level test cases since it will make the process more effective and it will make the best use of the knowledge and skills of the experienced Idomain testers.

Question 10

For an ATM banking project the following applies: "When the user first inserts a valid credit card, the system considers the user to be in an unauthenticated state. When requesting a cash advance, the user must be in an authenticated state. The user authenticates by entering the correct PIN code for the card they have used.
During the user authentication, the system shall allow the user to enter their PIN code up to three times before failing the authentication and rejecting the card. On the first and second try, the system shall prompt the user to re-enter the PIN code "Suppose you are concerned that, depending on the number of invalid PIN codes entered, the system may behave incorrectly. Which of the following test design techniques is specifically targeted at finding such failures?

A.Equivalence partitioning
B.Pairwise testing
C.State transition testing using 1-switch coverage
D.Classification tree technique

Correct Answer: C

Explanation
State transition testing is a technique that models the behavior of a system as a finite number of states and the transitions between them. It is suitable for testing systems that have different outcomes depending on the previous history of inputs and events. In this case, the ATM system has different states depending on whether the user has entered a valid or invalid PIN code, and how many times they have tried. 1-switch coverage is a criterion that requires testing all possible pairs of transitions from one state to another. This can help to find failures that occur when the system changes from one state to another, or when the system does not change state when it should. For example, 1-switch coverage would test the following scenarios:
* User enters a valid PIN code on the first try and requests a cash advance (valid transition from unauthenticated to authenticated state)
* User enters an invalid PIN code on the first try and then a valid PIN code on the second try and requests a cash advance (valid transition from unauthenticated to authenticated state after one invalid attempt)
* User enters an invalid PIN code on the first and second try and then a valid PIN code on the third try and requests a cash advance (valid transition from unauthenticated to authenticated state after two invalid attempts)
* User enters an invalid PIN code on the first, second, and third try and the system rejects the card (valid transition from unauthenticated to rejected state after three invalid attempts)
* User enters a valid PIN code on the first try and then requests a cash advance twice (invalid transition from authenticated to authenticated state without inserting the card again)
* User enters a valid PIN code on the first try and then removes the card and inserts it again and requests a cash advance (invalid transition from authenticated to unauthenticated state without entering the PIN code again) References = ISTQB Advanced Level Test Analyst Syllabus 2019, section 3.2.3; How to Design Test Cases Using State Transition Testing Technique?; 0 and 1 - Switch Coverage in State Transition Testing?

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