If an EC2 instance is being modified to have more RAM, this is known as Scaling Up.
<h3> What is EC2 Auto Scaling?</h3>
The Amazon EC2 Auto Scaling is known to be a type of fully well handled service that has been set up to launch or hinder Amazon EC2 instances automatically.
It is often made so as to help make sure that people have the correct number of Amazon EC2 instances that is available to manage the load for their application. To scaleup is to bring up.
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Answer:
Object-oriented programming (OOP) is a procedural language and based on classes associated with an object. Without classes and object relationship OOP is not possible. According to program's design concept classes provide abstraction and encapsulation with the help of object. Object have states and behaviors like cat has states like name, color and cat has also behaviors like wagging the tail, eating, jumping etc. A class forms template or blueprints for these states and behaviors because different cats have different behaviors and states.
Methods provide a way for encapsulation and accessing private class members with public methods and static fields are sometimes best alternative for global variable. We can use static field when it same for all and shared by all objects of that class and it can save memory because we do not have to initialize it for each object
Answer:
This is because a device can have more than a network interface.
Explanation:
IP address has to be unique in a network but a device can have more than a network interface. This is because the device has multiple network cards and for each of the interfaces we can set up an unique ip address in a LAN. For example almost all laptops have at least two network interfaces: one is the ethernet interface, we can connect an ethernet cable to this interface. The other one is the WiFi interface, we can connect to internet using this interface. In this case we can have more than one IP address but they have to be unique.
