You have a network with a subnet of 172.16.17.0/22. which of the following is a valid host address? a. 172.16.17.1 255.255.255.252b. 172.16.0.1 255.255.240.0c. 172.16.20.1 255.255.254.0d. 172.16.16.1 255.255.255.240e. 172.16.18.255 255.255.252.0f. 172.16.0.1 255.255.255.0

In the context of the box model, what is the difference between a margin and a padding? a. a padding lies outside a box border, while a margin lies inside it. b. a padding lies inside a box border, while a margin lies outside it. c. a padding can be adjusted independently, while a margin depends on the size of its box. d. a padding depends on the size of its box, while a margin can be adjusted independently.