Defensive design

Get Revising

Created by: Harmony_
Created on: 10-06-21 11:15

What is a presence check ?

Making sure the user actually enters data

1 of 13

What is a type check ?

Ensuring that data entered is of the correct data type .

2 of 13

What is a length check ?

Making sure that data is of an acceptable length (characters) .

3 of 13

What is a range check ?

Making sure that the value of data is within acceptable limits .

4 of 13

What is a sequence check ?

Making sure that the value is within an acceptable list of values .

5 of 13

What is a format check ?

Making sure that the data is in an acceptable format .

6 of 13

Fill the gap :

Input sanitisation involves using techniques to _____
user data to remove _______
characters, mixed ____
and non-valid characters and leading/________
spaces. These characters can cause issues when the data is ________

Input sanitisation involves using techniques to clean user data to remove control characters, mixed case and non-valid characters and leading/trailing spaces. These characters can cause issues when the data is processed.

7 of 13

Fill the gap:

Data validation involves using techniques which check the input data is of the correct data ____, structure or format for processing/storage.

Data validation involves using techniques which check the input data is of the correct data type, structure or format for processing/storage.

8 of 13

What are trailing spaces ?

Spaces after the characters in a string .

9 of 13

What are control characters ?

Special characters designed to transmit signals .

10 of 13

What are mixed case characters ?

Mixtures of upper and lower case letters .

11 of 13

What are non valid characters ?

Characters which are not numbers, letters or symbols .

12 of 13

What are leading spaces ?

Spaces before the characters in a string .

13 of 13

Other cards in this set

Card 2

Front

What is a type check ?

Back

Ensuring that data entered is of the correct data type .

Card 3

Front

What is a length check ?

Back

Card 4

Front

What is a range check ?

Back

Card 5

Front

What is a sequence check ?

Back

View more cards

Get Revising

Defensive design