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<span>Using a network without the network owner's permission is known as </span>piggy backing.
Answer: The goals of computer security are to protect computers and users from data theft or loss as well as damage to any part of the computer.
Explanation: Common means of achieving computer security are firewalls, anti-virus software and this can fail due to hardware problems or
weaknesses that prevent malicious attacks.
To answer this question, think of a time when you experienced any one of these. For example, personally, I was once an unfortunate victim of a general malicious attack that took advantage of a weakness in my anti-virus software. After clicking on a link on a dodgy website, a virus was installed on my computer. My computer finally crashed, without any hope of restarting it. I lost all my data and I had to buy a new computer. This was a malicious attack.
However, sometimes people can be specifically targeted to steal their data or monitor their activities.
Answer:
import java.util.Scanner;
class Main {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
while(true) {
System.out.print("Enter an integer (0 to exit): ");
int num = scan.nextInt();
if (num == 0) break;
if (num%3 == 0 && num%5 == 0) {
System.out.printf("%d is divisable by both 3 and 5.\n", num);
}
else if (num%3 == 0 && num%5 != 0) {
System.out.printf("%d is divisable by 3 but not by 5.\n", num);
}
else if (num%3 != 0 && num%5 == 0) {
System.out.printf("%d is divisable by 5 but not by 3.\n", num);
} else {
System.out.printf("%d is not divisable by 3 or 5.\n", num);
}
}
scan.close();
}
}