Maintainability

Question 1

what does input sanitisation do

Answer 1

remove unwanted input data (clean up inputs)

NO SQL injections

Question 2

what is verification?

Answer 2

checking if data has been entered correctly

Question 3

what is authentication?

Answer 3

ensuring that only authorised users can get access

checks that the user is who they say they are

Question 4

examples of authentication

Answer 4

biometrics
passwords
two factor authentication

Question 5

what is validation

Answer 5

checking if input data should be allowed

Question 6

name types of validation

Answer 6

check digit
presence check
format check
lookup table
range check
length check

Question 7

what is check digit

Answer 7

check digit is performing a calculation on the first digits and the answer should be the last one or two digits

Question 8

what is presence check

Answer 8

checks if any data has been inputted

Question 9

what is a format check

Answer 9

checks data is in the right format i.e phone number has to be all numbers

Question 10

what is a length check

Answer 10

checks that the data is the right length

Question 11

what is a lookup table

Answer 11

looks up acceptable values from a table

i.e only 7 possible days on the week