K2.10 Service functions and their application within a client-server network environment:
• active directory domain services (AD DS):
o active directory – provides functionality to centrally manage and organise user and device
accounts, security groups and distribution lists, contained in organisational units (OUs)
o group policy – provides functionality to create group policy objects (GPOs) which can be applied
to OUs. GPOs can be applied to deploy settings and files to users’ profiles and devices, based on
their OU
• dynamic host configuration protocol (DHCP) – to assign IP addresses to network client devices
• lightweight directory access protocol (LDAP) – used for directory services authentication
• domain name system (DNS) – for the translation of hostnames to IP addresses
• file server and distributed file system (DFS) – to provide shared disk access
• print server – to provide shared printer access
• web, proxy and cache servers – to provide efficient internet/web access, security and filtering
• mail servers – to handle the sending and receiving of emails to/from client mailboxes
• application servers – to provide access to network-based applications
• database servers – to provide backend shared databases
• security utilities (for example anti-virus) – to protect data or systems against loss or attack
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