New Technology Institute (NTI) is a degree awarding institute. NTI provides services of technical education for students in three different domains i.e. Computer Science, Information Security and Business Administration. NTI has a total strength of 400 students, 100 students in business administration, 200 in computer science and 100 in information security. NTI has a total of 25 faculty members across three domain. There are also 15 other employees handling finances, administration and examination. There are 5 computer labs, having 25 computers in each lab. NTI is now planning to move to a centrally managed network (sever based network). They need DHCP, DNS, Web Services (Website & LMS) as well as a locally deployed employee attendance system.

question : Plan an appropriate active directory service for NTI Network