The key uniquely identifies each record Question 3 options:

Key record

Composite key

Foreign key

Primary key

For a typical middle-income family, what is the estimated cost of raising a child to the age of 18? $145,500 $245,340 $304,340 $455,500

Which computer tools allow you to communicate with coworkers, family, and friends

You will subnet the network address 172.31.103.0/24. the network has the following requirements: · room-114 lan will require 27 host ip addresses · room-279 lan will require 25 host ip addresses · room-312 lan will require 14 host ip addresses · room-407 lan will require 8 host ip addresses how many subnets are needed in the network topology?