Answer:
Polymorphism
Explanation:
You can have a basic button class that gets inherited by other classes.
class Button {
function pushButton(){}
}
class ElevatorButton extends Button{};
class BigRedButton extends Button{};
With these new classes, they inherit from the basic button class. They can decide what happens when the method pushButton() is called.
You don't need to worry about what pushButton() actually does, you can just call it if the object is of the type "Button" and you can expect it to work.
Answer:
The right answer is option A
Explanation:
To upgrade a network communication to accommodate for specific network needs, what is required is to select and install the network interface with the highest speed to connect to the local network.
Network communications are what we use to connect to the internet. There are different network providers and the provided networks do not have the same network speed due to different reasons. A network interface is what is used to connect our computer to the network provider. It is only logical to get the best network interface card in that region and connect to the fastest speed available.
The answer is user EXEC mode. This is for setting, viewing, and testing system processes. In common, the user EXEC commands let you to link to remote devices, modify terminal line settings on a temporary basis, perform basic tests, and list system information. This also used by common system administrators, while the privileged EXEC mode is used by the root administrator. Use the enable and disable instructions to shift between the two levels. Access to the user-level EXEC command line needs a valid password.
