T-Level DPDD: Validation & Error Handling Quiz

What is the purpose of input validation?

• To ensure that entered data is sensible and reasonable.

• To ensure that the program runs faster.

• To check the spelling of the data entered.

• To format the data entered.

Which of the following is NOT a commonly used validation method?

• Presence check

• Length check

• Type check

• Syntax check

What does a presence check validate?

• That the data entered is of the correct type.

• That the data entered is within a specified range.

• That a required field that should contain data has not been left blank.

• That the data entered does not contain any special characters.

In the example code snippet for presence check, what happens if the user presses enter without typing anything?

• The program will terminate.

• The program will thank the user for entering their name.

• The program will prompt the user to enter their name again.

• The program will display an error message.

What is the purpose of a length check in input validation?

• To ensure the data entered is of the correct type.

• To ensure the data entered does not contain fewer or more characters than the specified minimum or maximum number.

• To ensure the data entered is within a specified range.

• To ensure the data entered does not contain any special characters.

What does a type check validate?

• That the data entered is of the correct type.

• That the data entered is within a specified range.

• That the data entered does not contain any special characters.

• That the data entered is not left blank.

In the example code snippet for type check, what is the variable 'valid_age' initially set to?

• True

• False

• None

• 0

What is the purpose of a format check in programming?

• To ensure the data input by the user is in the correct format

• To check if the user is using the correct programming language

• To verify the user's age

• To validate the user's email address

Which Python library is imported to handle date and time in the provided example?

• time

• datetime

• calendar

• dateutil

What will be printed if the age input is not an integer in the given Python code?

• Your age is valid

• The date is not in the correct format

• Your age has not been entered in the correct format; it should be an integer

• The target value does not lie between 45 and 72