Answer:
The option(B) is the correct answer .
Explanation:
In C++ the // (two slash marks ) indicating the beginning of a comment .The two slash marks ( // ) comment the single line in a program.To use two slash marks ( // ) comment we simply write // in which line we have to make comment.
following are the example of code in c++
#include<iostream.h> // header file
void main() // main method
{
cout<< " india"; // print india
}
here // indicating the beginning of a comment .
Opening unfamiler emails and visiting unknown websites
There are three types of traffic in an IP network:
1. Unicast - one-to-one traffic (traffic from one sender to one receiver)
2. Multicast - one to many traffic (one sender and more receivers)
3.Broadcast - every device in the network will receive the packet
So, the broadcast traffic <span>always goes to all devices in a subnet. </span>
<span>An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a
</span>
5x2 =69
Explication but brain
