Answer:
Option d is the correct answer for the above question.
Explanation:
- Authentication is a process that enables the user to enter the system. This process helps to secure the data. It is because with the help of this only valid users can enter the system. In this process, the system asks some unique information from the user which can only be known to the valid user.
- Some systems put two types of authentications one is some information about the valid user and the other is a fingerprint scan that takes the data of the user finger and matches with their user name and password. If it matches then only he can enter into the system.
- The above question asks about the mechanism which is used for multifactor authentication. This authentication is known as a fingerprint scan. So the option D is the correct answer while the other is not because:-
- Option 'a' states about the username which is used in the first authentication.
- Option b states about pin which can be used in the place of username.
- Option c states about the security question which is used when the user forgets the password.
Answer:
The answer is D.
Explanation:
The question is incomplete, here is the full question;
Insert the missing code in the following code fragment. This fragment is intended to call the Vehicle class's method.
public class Vehicle
{
. . .
public void setVehicleClass(double numberAxles)
{
. . .
}
}
public class Motorcycle extends Vehicle
{
. . .
public Motorcycle()
{
_______________;
}
}
a) Motorcyle.setVehicleClass(2.0);
b) Vehicle.setVehicleClass(2.0);
c) this.setVehicleClass(2.0);
d) setVehicleClass(2.0);
According to the information and the code snippet given in the question, the correct answer to fill in the blank should be D, setVehicleClass(2.0); because it is in the Motorcycle class which "extends" vehicle meaning that it's a subclass.
I hope this answer helps.
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Answer:
In today's world, everyone using smartphones as it easily allow to communicate by using different types of features like texting, video, e-mail and by using internet we can run various types of applications.
Smartphones carries one of the main and important skills that is show our current location. By using various types of applications like Global positioning system (GPS), cell ID and wifi we can easily trace the location.
But there is different types of option according to the individual requirement as some people want privacy as they are not interested to share their location to anyone.