2.3.1 Defensive Design

Question 1

How can code be made more maintainable? [4]

Answer 1

Comments [1] Indentation [1] Use of subroutines [1] Sensible variable names [1]

Question 2

What is anticipating misuse? [2]

Answer 2

Predicting ways that users may break a system [1] and planning ways to prevent it [1]

Question 3

What is authentication? [2]

Answer 3

Requiring a username and password [1] to prevent unauthorised access to data [1]

Question 4

What is input validation? [2]

Answer 4

Checking that an input meets requirements [1] and is the right data type [1]