You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0 and 192.168.7.0. What subnet mask can you use to combine…

You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0 and 192.168.7.0. What subnet mask can you use to combine these addresses into one?

1. a) 255.255.252.0
2. b) 255.255.254.0
3. c) 255.155.240.0
4. d) 255.255.255.252