COMPUTER NETWORKS AND COMMUNICATIONS
NETWORK SECURITY AND CYBERSECURITY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
True
|
|
|
False
|
|
|
Either A or B
|
|
|
None of the above
|
Detailed explanation-1: -Multi-factor Authentication (MFA) is an authentication method that requires the user to provide two or more verification factors to gain access to a resource such as an application, online account, or a VPN.
Detailed explanation-2: -Multi-factor authentication (MFA) is a multi-step account login process that requires users to enter more information than just a password. For example, along with the password, users might be asked to enter a code sent to their email, answer a secret question, or scan a fingerprint.
Detailed explanation-3: -Authentication using two or more factors to achieve authentication. Factors are (i) something you know (e.g., password/personal identification number); (ii) something you have (e.g., cryptographic identification device, token); and (iii) something you are (e.g., biometric).
Detailed explanation-4: -As an example of multi-factor authentication, imagine you are at an ATM so that you can withdraw money from your bank account. Your debit card (something you have) is one authentication factor. However, to access your account, you also need to enter the PIN that is associated with your debit card.
Detailed explanation-5: -Something you know-Like a password, or a memorized PIN. Something you have-Like a smartphone, or a secure USB key. Something you are-Like a fingerprint, or facial recognition.