<span>The destination address field must contain the MAC address.
The MAC address is needed to help find a device for an ARP request.</span>
All hosts on the LAN will receive this broadcast frame. The host with the IP address of 192.168.1.1 (default gateway) will send a unicast reply to the source (PC host). This reply contains the MAC address of the NIC of the Default Gateway.
Answer:
The code to this question can be given as:
Code:
while ((s!="Y" && s!="y" && s!="N" && s!="n")) //loop for check condition
{
cin >> s; //insert value
}
Explanation:
The description of the following code:
- In this code, we use a string variable s that has been to define in question.
- In code, we use a while loop. It is an entry control loop in loop we check variable s value is not equal to "y", "Y", "n" and "N".
- In the loop we use AND operator that checks all value together. If this is true So, we insert value-form user input in string variable that is "s".