Company A is considering the building of a new web server. This web server can be used both from outside the
company and in-house. However, it is necessary to separate the access from within the company with those from
outside the company, and to allow browsing access only from within the company on the in-house exclusive web
page.
In addition, Company A newly obtained the domain “test.gain,” and decided to also build a DNS server.
Due to financial reasons, the company can prepare only one PC used as a server. The company also wishes to realize the plan at as low a cost as possible.