Practice Rule 4: Inputs With 'must Be' Characteristics (format, Type, Presence) (4.2.3.4)
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Rule 4: Inputs with 'Must Be' Characteristics (Format, Type, Presence)

Practice - Rule 4: Inputs with 'Must Be' Characteristics (Format, Type, Presence)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is meant by 'valid input'?

💡 Hint: Consider the rules you learned about must-be characteristics.

Question 2 Easy

Give an example of a must-be characteristic.

💡 Hint: Think about input fields you use every day.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the purpose of must-be characteristics in input validation?

Ensure software accepts all inputs
Define what inputs are acceptable
Reduces number of test cases

💡 Hint: Think about input requirements and validation processes.

Question 2

True or False: Valid inputs must always include a numeric character.

True
False

💡 Hint: Recall examples of must-be characteristics.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Develop a testing strategy for a user registration form that requires a username to be 6-20 characters long, contain both letters and numbers, and include at least one special symbol.

💡 Hint: Break down the requirements into smaller criteria for thorough coverage.

Challenge 2 Hard

Create a list of tests for an API endpoint that requires an email with specific formatting rules, including domain and length restrictions.

💡 Hint: Remember to check both valid formatting and potential invalid formats.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.