Answer:
In Java:
import java.util.*;
public class Main{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String isbn;
System.out.print("First 1:2 digits: ");
isbn = input.nextLine();
if(isbn.length()==12){
int chksum = 0;
for(int i = 0; i<12;i++){
if((i+1)%2==0){ chksum+= 3 * Character.getNumericValue(isbn.charAt(i)); }
else{ chksum+=Character.getNumericValue(isbn.charAt(i)); } }
chksum%=10;
chksum=10-chksum;
if(chksum==10){
System.out.print("The ISBN-13 number is "+isbn+"0");}
else{
System.out.print("The ISBN-13 number is "+isbn+""+chksum); } }
else{
System.out.print("Invalid Input");
} }}
Explanation:
See attachment for explanation where comments are used to explain each line
Answer:
A. Detecting network attacks and scans
Explanation:
Honeynet
It is a network , which is set up with the intentional vulnerabilities , in order to invite the attack , in order to determine and study the activities of the attacker .
The Honeynet is composed of one or more honey pots , which are just the computer systems , which act as a bait to trap the people who , tries to hack or penetrate into other's computer system .
Hence ,
The correct option is Detecting network attacks and scans .
Answer: Between Layers 2 and 3
Explanation:
In between Layer 2 and Layer 3 the MPLS header is present and is known as Shim header. It is also said to be in 2.5.
Answer:The French and Dutch settlements differed from the Spanish colonies in that they were created mainly to trade and develop industries, while the Spanish were primarily concerned with gold and silver excavation, and then later with sugar exportation.
Explanation:The French and Dutch settlements differed from the Spanish colonies in that they were created mainly to trade and develop industries, while the Spanish were primarily concerned with gold and silver excavation, and then later with sugar exportation.
A fax cover sheet is the first sheet that gives all the information that is needed.
