Explain Server Hardware components and RAID
  Explain Storages such as SAN and NAS with smart UPS
  Knowing the different types of Windows OS and their versions
  Installing Windows server configuring raids with defining of sharing folders
  Explain and Installing Active Directory and Domain Controller
  Explain and Installing RODC
  Explain and Installing IFMD
  Explaining FSMO
  Creating deleting and editing users and computers with and without pre-staging
  Explaining AGUDLP
  Hyper-V with replication
  Explaining and Using of OUs and GPO
  Explaining user right assignments and PC administrator through Active Directory control panel
  IIS with users and add application with virtual directory vs symbolic link
  Account Policy through gpo or Password Settings Object feature
  Backup and Restore of Active Directory
  Replication of Active Directory
  DNS Server
  Multi-Domain and Multi-Forest Active Directory
  Configure Sites and Subnets
  DHCP Server
  Clustering