Part B Recollect the steps you learned in the lesson. Write down the steps to compute the total number of countries under each region. Write down the number of countries subtotal under each region, and the grand total of the number of countries. ​

What is domain name system (dns)? allows dynamic ip address allocation so users do not have to have a preconfigured ip address to use the network converts ip addresses into domains, or identifying labels that use a variety of recognizable naming conventions the efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures the integration of communication channels into a single service