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ISTQB CTAL-TA_Syll2019
CTAL-TA_Syll2019
ISTQB Certified Tester Advanced Level - Test Analyst (Syllabus 2019) Questions and Answers

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Questions # 21:

You are testing an ATM based on the following use

ATM start screen is showing

1. The user inserts card

2. The user types in PIN

3 The user selects cash with receipt'

4. The user selects €50

5. The user selects no further service' Expected results

- The ATM provides €50 to the user

- The ATM returns the card and balance slip

- The ATM clears the screen

- The ATM returns to start menu

You are asked to review this use case.

What is the most important information that is missing from this use case?

Options:

Nothing has been defined for expected response times.

The use case should also include alternative behaviour.

More test cases are needed to achieve the minimum acceptable level of coverage.

Expected results not clearly defined

Answer

Explanation

The use case only describes the normal or happy path scenario, where the user performs a successful cash withdrawal. However, it does not consider any alternative or exceptional scenarios, such as invalid card, incorrect PIN, insufficient balance, network failure, etc. These scenarios are important to test the robustness and reliability of the ATM system, and should be included in the use case specification. References = ISTQB Certified Tester Advanced Level Syllabus Test Analyst, Section 2.2.1, Use Case Testing1; ISTQB Advanced Level Test Analyst (CTAL) Exam Study Guide, Section 2.2.1, Use Case Testing2

Questions # 22:

Consider the following state diagram for a simple ATM.

Question # 22

The decision has been made to add the following capabilities:

Allow the customer to go from Get Balance to Deposit, Withdrawal or Menu.

Allow the customer to go from Deposit to Withdrawal, Get Balance or Menu

From Withdrawal the customer still will be able to go only to Menu.

How many test cases are required to achieve 100% 0-switch coverage of the new and existing capabilities?

Options:

Answer

Explanation

A 0-switch test case is a test case that covers one transition from one state to another. To achieve 100% 0-switch coverage, all the transitions in the state diagram must be tested. The state diagram has seven states: Login, Menu, Logout, Withdraw, Deposit, Get Balance, and Access Account. There are 13 transitions in the state diagram, as shown by the arrows. Therefore, 13 0-switch test cases are needed. References =

ISTQB Certified Tester Advanced Level Syllabus Technical Test Analyst1, page 2

How to Design Test Cases Using State Transition Testing Technique?2, section “0-switch coverage”

State Transition Testing - Tutorialspoint3, section “State Transition Diagram”

Questions # 23:

What is main difference between user experience and usability?

Options:

Usability relates to people's perceptions and responses; user experience relates to characteristics of the software product.

Usability is evaluated via reviews; the user experience is evaluated via surveys

User experience relates to people's perceptions and responses; usability relates to characteristics of the software product.

There is no difference between user experience and usability, they are the same.

Answer

Explanation

User experience (UX) is a broad term that encompasses the overall impression and satisfaction that a user has when interacting with a software product. It includes aspects such as value, desirability, adaptability, and usability. Usability is a specific aspect of UX that focuses on how easy, efficient, and error-free it is for a user to perform a task or achieve a goal with the product. Usability is a necessary but not sufficient condition for a good UX. A product can be usable but not desirable, or desirable but not usable. References = ISTQB Certified Tester Advanced Level Syllabus Test Analyst, Section 3.1.1, Usability and User Experience Testing1; Usability vs. User Experience: What’s the Difference? - HubSpot Blog, Section Usability vs. User Experience

Questions # 24:

Which of the following software development lifecycle models requires the earliest involvement from the Test Analyst?

Options:

V-model

Embedded iterative model

Agile development model

Maintenance lifecycle

Answer

Explanation

The agile development model requires the earliest involvement from the test analyst because it is a flexible and iterative approach that delivers software in short cycles called sprints. The test analyst plays a key role in planning, designing, executing, and reporting on the testing activities for each sprint. References =

ISTQB Certified Tester Advanced Level Overview of Syllabi1, page 10

ISTQB Certified Tester Advanced Level Syllabus Technical Test Analyst2, page 2

Understanding the SDLC: Software Development Lifecycle Explained3, section “Agile model”

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