3. A network administrator is adding a new LAN to the branch office. The new LAN must accommodate 60 hosts. What is the smallest subnet mask that the administrator can use for the new network? 255.255.255.252 255.255.255.240 255.255.255.255 255.255.255.0 255.255.255.192 5.A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.224. How many usable host addresses will this subnet provide? 6 14 30 62