you are the network administrator for westsim. the network consists of a single active directory domain. westsim often hosts business meetings for its partners and contractors at the new york office. during these meetings, personal laptops belonging to the contractors, partners, and some employees are connected to the company network. a server named fs1, which is located in the new york office, contains data related to confidential research. management is concerned about the security of this data. you need to ensure that only those computers that are members of the westsim domain are allowed to connect to fs1, and only when logged on with a valid user account in the westsim domain. you must provide the highest level of security possible to the data located on fs1 to protect it from being compromised by unknown resources connected to the company network. what should you do?