Defensive Design

Why do programs need to be maintained?

• Improve FPS rate

• Improve the code

• Fix bugs

• Improve bit rate

Which of these is NOT a method for ensuring a program is robust?

• Data Validation

• Data sanitation

• Keeping passwords safe

Data ____________ is a process in which data is double-checked for typed issues

What is the best code for a subprogram?

• function circle(radius)   area = 3.14 * radius^2 return area

• function circleFive()   area = 3.14 * 5^2 return area

What is defensive design?

• Making your code error free

• Code where data is validated

• Creating code that is easy to understand

• A method insuring your code is not misused

If a user tries to input invalid data, the system will stop working...

• True

• False

Checking that the user is genuine is also known as...

• Augmentation

• Authentication

• Validation

• Authorisation

The number of errors in your program can be reduced by...

• Choosing a more restrictive language

• Testing thoroughly

• Making your program simpler

• Using a bigger font

Input validation is when a system will check that the input meets certain criteria, to ensure that the data is in an acceptable form.

• True

• False

A method of designing a program so it functions properly and doesn't crash is...

• Defensive design

• Contingency plan

• Authentication

• Parameter production