*IPV4 addresses are 32 bit(4 bytes) length address

 1.ipv4 address classes

2.ipv4 address and it's prefix length

 

3.what device used for separate one LAN network into 2 separate networks?

4.why broadcast mac address not going through the router?

5.  what is meaning of Uni cast address , multicast address , broadcast address and loop back address?

loop back address range - {127.0.0.0 - 127.255.255.255}

6.how to identify network address & broadcast ip address?

7.explain how a PC sends a packet through a router to a device on another LAN when they don't know each other MAC address?