Which of the following best exemplifies the use of multifactor authentication to protect an online banking system? A When a user resets a password for an online bank account, the user is required to enter the new password twice. When multiple people have a shared online bank account, they are each required to have their own unique username and password. After entering a password for an online bank account, a user must also enter a code that is sent to the user's phone via text message.

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