Networks 4th computer science - N+ Assignment of section 03

Q1) Convert ip: 172.0.104.92 to binary?

Q2) Why systems can not have an IP ended with octa 0 as 192.168.1.0 or 255 as 192.168.1.255?

Q3) Why we use subnet mask, network ID, HOST ID?

Q4) Exmine if the following two systems are in the same network or not step by step.