Double Entry Verification - Entering data twice and comparing, Verification - Checking data against a second source, Type Check - Checking the data is of the correct type, Validation - Checking data conforms to one or more rules, Length Check - Checking the number of characters in the data is correct, Lookup Check - Checking that the entered data is one of a list of valid data items, Presence Check - Checking that a data item is present,

C2 T3 Data Suitability

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