Answer:
Option =42*.80
Explanation:
We can define a formula in Microsoft Excel using which is always started with "=" and then followed with the mathematical rule defined on the target columns or rows.
In this question, we are expected to calculate the marked down price for 20 percent. This means the new sale price will be 80% of the original sale price. Since the original place is in cell A2, we can define a formula using =A2* .80 to get the expected result.
The last one is audio, the third one is animation and the first one is graphics so
Answer:
Using a one time password OTP and using a three factor authentication.
Explanation:
Social engineering is a form system and network attack, drafted by an attacker, to steal user credentials needed for accessing their accounts, to steal information.
Social engineering attacks like phishing, spear phishing, baiting and quid quo pro are used to fool users to giving out their user details.
One time password is an implied use of a password just once and a new password his generated to boost security. In a three factor authentication, OTP can be used as well as biometrics of a user which can not be giving away by a user to an attacker.
