Nishida Kitchens is a medium-sized company that makes packaged Japanese foods including noodle and sauce combinations. Their foods are distributed to grocery stores and specialty food stores throughout Canada, Europe, and the United States. The company is moving into a new building and has hired the company you work for, Network Design Consultants, to help them create a new network. Before the move, their head network administrator accepted a job with another company and his inexperienced assistant has been promoted as the head network administrator.

Nishida Kitchens has a business and sales unit of 42 computer users. The plant in which the foods are produced, packaged, and shipped has 45 computer users. The company has both Windows Server 2003 and Red Hat Enterprise Linux servers. The business and sales unit uses Windows 10 Professional workstations. The plant users have a combination of Windows 10 Professional and Red Hat Enterprise Linux computers on user’s desktops. The company plans to have Internet connectivity available to all network users. Nishida Kitchens has an outlet store across town which provides the public with direct sales of their products. The outlet store also has Internet connectivity on a small network of 12 computers that are running Windows 10 P Professional.

1. What protocol do you recommend for this network and what are its advantages?
    
2. For WAN communications, such as remote communication over the Internet connection, what protocol should be used by the Windows 10 Professional and Red Hat Enterprise Linux workstations? What are the advantages of this protocol?