Port number for data and control of FTP protocol

Which of the following best describes the primary purpose of virtualization in cloud computing? 

In systems design, which of the following techniques is used to break down complex systems into smaller, more manageable components?

Which all statements are correct about Sorting

In data communication networks, which protocol is responsible for ensuring reliable data transfer between devices over a network?       

Definition of 2NF

1.    Predict the output of the code

public class Animal {

    public static void main(String args[])

What will be the output of the following code snippet demonstrating composition in Java?

class Engine {

void start() {