There is a company called "ABC" needs to setup a LAN for the main office which is located in Melbourne. They have three different departments named Operations, Finance and Marketing. All objects belonging to these departments should have their own different OU. The Clients require the following technologies to be implemented within their LAN:  Centralised user authentication  Roaming Profiles for users  All computers should acquire the IP addresses from a DHCP Server  The Company should host a website as well, so a separate IIS server is also required  The Company also wants to store all the files on a separate file server and only users with appropriate access will able to access them. 2 Scenario 2: Implementation of BDC (Backup Domain Controller) There is a company called "MNO" needs to increase the efficiency of its LAN by adding a backup domain controller (RODC/BDC), so it can provide all the services in case of failure of the primary domain controller (RWDC/PDC). In order to implement this, there should be auto synchronisation between the RWDC/PDC and the RODC/BDC.  Centralised user authentication  All computers should acquire an IP addresses from a DHCP Server  The Company should host a website, so a separate IIS server is also required  BDC should be able display the change made in RWDC/PDC. Scenario 3: (Windows Sever and Linux Client Environment) There is a company called "XYZ" that needs to setup a LAN for the main office, which is located in Melbourne. They have three different departments named Operations, Finance and Marketing. All objects belong to these departments should have their own different OU. The Clients require the following technologies to be implemented within their LAN:  Centralised user authentication  Roaming Profiles for users  All computers should acquire IP addresses from a DHCP Server  The Company should host a website, so a separate IIS server is also required  The Company also wants to store all the files on a separate file server. Only users with appropriate access will be able to access files on this separate file server. Scenario 4: (Linux Server and Windows Client Environment) There is a company called "DEF" that needs to setup a LAN for the main office, which is located in Melbourne. They have three different department named Operations, Finance and Marketing. All objects belonging to these departments should have their own different OU. The Clients require the following technologies to be implemented within their LAN:  The Client wants to use the Linux operating system as a server side operating system with the LDAP/SAMBA service to communication between windows client machines and a Linux server.  Centralised users authentication  Company also want to store all the files on a separate file server. Only users with appropriate access will able to access these file