ISTQB - International Software Testing Qualifications Board Experience-Based Testing Techniques Questions and Answers

Question 1

A tester is tasked with evaluating a new e-commerce feature with very limited and incomplete specification documents.
The tester decides to simultaneously learn about the application, design tests, execute them, and log the results, adapting their approach based on what they discover.
Which experience-based technique is being used?

Accepted Answer

Exploratory testing

Answer

Checklist-based testing

Answer

Error guessing

Answer

Fault attack

Question 2

Which of the following is the PRIMARY input for the error guessing technique?

Accepted Answer

The tester's knowledge and intuition

Answer

Detailed requirements specifications

Answer

A predefined list of quality characteristics

Answer

Formal use case diagrams

Question 3

A team wants to bring more structure and accountability to their exploratory testing efforts. They decide to use time-boxed periods of testing, each with a specific mission defined in a charter. What is this structured approach to exploratory testing called?

Accepted Answer

Session-based testing

Answer

Ad-hoc testing

Answer

Checklist-based testing

Answer

Error guessing

Question 4

A senior tester is creating a set of high-level test conditions to verify that a new software release adheres to established usability standards. These conditions are formulated as a series of questions to be checked during testing. Which experience-based technique does this scenario describe?

Accepted Answer

Checklist-based testing

Answer

Exploratory testing

Answer

Decision table testing

Answer

Error guessing

Question 5

In which of the following situations would experience-based testing techniques be MOST appropriately used as the main approach?

Accepted Answer

When there is severe time pressure and the requirements documentation is inadequate or missing.

Answer

When testing a safety-critical system that requires 100% statement and decision coverage.

Answer

When the project has comprehensive, formal, and up-to-date specification documents.

Answer

When the testing team consists entirely of junior testers with no domain experience.

Question 6

A tester suspects that a specific module is prone to defects related to handling invalid inputs, based on issues found in previous versions of the software. The tester decides to create a list of potential failures, such as buffer overflows and division by zero, and design specific tests to trigger them. This systematic approach is an example of:

Accepted Answer

Fault attack

Answer

Exploratory testing

Answer

Checklist-based testing

Answer

State transition testing