You are developing an online business solution for National Institute of Meteorological and Oceanographic Research (NIMOR). A case study for the organization is given in the exhibit. Based on the case study, you need to implement Internet security so that no user can hack confidential data. According to you, which of the following security options will you use for your solution? Each correct answer represents a complete solution. Choose all that apply. (Click the Exhibit button on the toolbar to see the case study.)