Answer:
c. Two-factor authentication
Explanation:
Two-factor authentication is also known as 2FA. It is an extra form of security put in place aside the use of username and password to ensure the authenticity of someone trying to access an online platform with a registered account.
First the user enters his or her username and password, then they will also have to provide some extra information before finally gaining access. Such information could be ones place of birth, name of pet, something one has or know, etc.
2FA helps to still keep an account safe even if a device or password is been stolen. Two-factor authentication could be SMSbased, hardware token, software token, etc.
The word DoS refers to the Disk Operating System. In the case given above, if it happens that there is a distributed DoS attack, the attacker then sends messages directly to the BOTS. Bots refer to internet or web robots. Hope this answer helps. The answer is the first option.
Answer:
your brain is like a phone call it the cloud
Explanation:
