A network engineer must configure two new subnets using the address block 10 70 128 0/19 to meet these requirements:

• The first subnet must support 24 hosts

• The second subnet must support 472 hosts

• Both subnets must use the longest subnet mask possible from the address block

Which two configurations must be used to configure the new subnets and meet a requirement to use the first available address in each subnet for the router interfaces? (Choose two )