Defensive Design - GCSE Computer Science OCR

Front

A check made by a computer to ensure that the data entered is sensible or reasonable.

Back

Validation

Front

What type of validation would be used on a field to enter a mobile phone number to ensure it contains 11 digits?

Back

Length check

Front

What type of validation would be used on a field to check that data has been entered?

Back

Presence check

Front

What type of validation is used to check that a value falls within the specified range?

Back

Range check

Front

What type of validation should be used to ensure a National Insurance number is in the form LL 99 99 99 L where L is any letter and 9 is any number?

Back

Format check

Front

___________ trims or strips strings, removing unwanted characters from strings

Back

Data sanitisation, Sanitisation, Input sanitisation

Front

Which input for an email address would not require data sanitisation? Options: dave.smith@company.c, [e-mail], dave@[e-mail], dave [e-mail]

Back

[e-mail]

Front

What will consider and anticipate misuse?

Back

Defensive design

Front

A coding method to check that a user is who they say they are and allowed to access the program.

Back

Authentication

Front

What process is described by requiring a key code generated by an app on the user's phone and entered, and a number generated and entered into a key device for online banking?

Back

Two factor authentication