GCSE Unit 2.3 - Producing Robust Programs

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

• Keeping passwords safe

• Data Validation

• Authentication

• Data Sanitisation

Why is code indented?

• To group together a function

• To make it easier to identify blocks of code as part of the same logical structure

• To make it easier to read

• All answers are correct

What is data validation?

• Checking that the data entered is wrong

• Checking that the data entered is correct

• Checking that the data entered is sensible or reasonable

• Checking that an input meets certain criteria

• Confirming that someone is who they say they are

Which is these IS NOT an example of validation?

• Checking the number entered is 2 digits

• Asking a user to enter the same data in twice

• Use of a Lookup table

• Use of a presence check

What does a range check do?

• Checks data across a range of numbers

• Checks the data is within an acceptable range

• Where three types of data are used

• Checks that the data is in the correct format

When a program runs it asks the user to enter their full name. Which of these answers is an example of Valid data?

• Mr Jones

• Sarah

• Sarah Jones

• Mrs S Jones

Which one of these is not a method for planning for misuse?

• Limiting the number of login attempts

• Requesting a password and user name

• Authentication

• Not validating the data entry

Which of these is a NOT method of authentication?

• Password

• Password and Username

• Pattern Password

• Finger print password

What is Maintainability?

• Checking programs work

• Updating code so that it is compatible with current requirements

• Testing a program for errors

• Training staff to use the program correctly

Which of these is NOT a method for planning for misuse?

• Stripping unwanted characters

• Removing duplicated letters

• Converting lowercase to uppercase Letters

• Converting large numbers to smaller numbers.

• Calculating answers from formula