Robust Program Development Quiz

What is an example of a potential error that can occur during program execution?

• Multiplication by zero

• Addition by zero

• Division by zero

• Subtraction by zero

How can a programmer prevent a program from crashing due to division by zero?

• By checking if the variable is not zero before attempting a division

• By using a try-catch block

• By ignoring the error

• By restarting the program

What can cause a program to crash or hang when loading and saving data from an online system?

• Overloaded server

• Slow internet connection

• Low memory on the user's device

• Incorrect data format

How can a programmer handle potential errors when outputting to a printer?

• Assume the output was successful

• Always have the option to reprint

• Restart the program

• Ignore any printer errors

What type of errors are disks notorious for generating?

• Communication errors

• Data security errors

• File handling errors

• Peripheral errors

How can a programmer handle the situation when the end of a file is reached while reading in records?

• Ignore the error and continue reading

• Terminate the program

• Handle the situation by checking files and data before further processing

• Restart the program

What is a common method used to prevent unauthorized access to systems?

• Using SQL injection hacks

• Using username and passwords

• Using reCAPTCHA

• Using email verification

How can a user recover a forgotten username and password in a secure manner?

• By providing their phone number for verification

• By answering security questions

• By entering their email address and clicking on a link within the email

• By contacting the system administrator

What should be done to keep data files secure?

• Encrypt the data files

• Make the data files read-only

• Delete the data files after use

• Store the data files in a secure location

How can online bots submitting data automatically to forms be protected against?

• Using email verification

• Using reCAPTCHA

• Using username and passwords

• Using SQL injection hacks