What is the broadcast address of network 172.16.240.0?

Question

so me all the steps to reach the answers

Answer 1

Broadcast address for this network is 172.16.255.255

This is Class-B ip add

The default netmask is 255.255.0.0 /16

But here you used 255.255.240.0 /20

very simply change in network is 256-240

First network address 172.16.0.0  

Broad Cast address for this 172.16.14.255

Last network is 172.16.240.0

Broad Cast address for this 172.16.255.255

Broad cast address is always the last ip in that network