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Question 14: Exhibit, Existing Domain Model
Overview
Graphic Design Institute is a graphical design company that creates animated graphics for several
advertising companies and move theaters.
The hours of operation are 8:00 A.M. to 5:00 P.M., Monday through Friday.
Physical Locations
The company??s main office is located in Los Angeles. The company has five branch offices in the
following locations:
? Atlanta
? Dallas
? Denver
? New York
? San Francisco
The number of users in each office is shown in the following table.
Office Number of users
Los Angeles 550
Atlanta 300
Dallas 30
Denver 210
Planned Changes
To meet new security and customer requirements, the company wants to implement a Windows Server
2003 Active Directory environment.
Existing Environment
Business Processes
Graphic Design Institute consists of the following primary departments:
? Human Resources (HR)
? Finance
? Information Technology (IT)
? Advertising
? Movies
? Animation
The IT department is responsible for all network management.
Users often work on multiple projects at the same time. A strong administrative structure based on each
user??s office location and department is being used
Infrastructure
Directory Services
The existing domains and trust relationships are shown in the Existing Domain Model exhibit.
The company has one Windows 2000 domain located in the Los Angeles office. The name of the domain
is
graphicdesigninstitute.com. The domain is a Windows 20000 mixed-mode domain that contains Windows
2000 Server computers configured as domain controllers, Windows NT Server 4.0 computers configured
as BDCs, and Windows 2000 Server computers configured as member servers.
Currently, this domain is the only Active Directory domain. The domain consists of the following three
top-level OUs:
? Movies
? Animation
? Advertising
The default site configuration has been implemented in the existing Active Directory environment.
Problem statements
The following business problems must be considered:
? There is currently no enforcement of frequent password changes and logon hours.
? The ISP can only supply a single subnet, which consists of 32 IP addresses, for the Internet link.
? It is very difficult to manage users and groups and their necessary permissions.
? The finance and HR department cannot agree on a mutual security policy to implement.
? NetBIOS name resolution is saturating the WAN links.
Interviews
Chief Execute Offices
Graphic Design Institute has lost a number of contracts due to deadlines that have not been met.
Decreasing the amount of time we spend administering the network, along with increasing the amount of
time we spend on customers, is my primary reason for requesting the upgrade of the entire network.
Funds are available for critical hardware requirements. I do not want any downtime for users. I also
want strict business hours enforced. Employees should not be at the office or work from home outside
normal business hours.
Chief Information Officer
Currently, we have problems as a result of all the merges and acquisitions. I want all the servers to be
installed with Windows Server 2003 to resolve these problems. I also want all client computers upgraded
to Windows XP Professional over the next two years.
The current IT response level is leading to a lot of lost production hours. Each office will continue to
manage its own users and computers, with the exception of the finance and HR departments, which have
their own requirements. We need to ensure that no production time is lost as a result of an interruption
in the network connectivity.
Network Administrator
We are currently expected to resolve issues within 24 hours, although this sometimes is not achieved.
Because most high-level administrative work can only be done when users are not in the office, network
administrators often work after hours or on weekends.
Domain administrators are responsible for managing the private IP addresses of every computer that
belongs to their respective domains.
Help desk staff exists in each branch office to assist users with software-related problems, as well as with
basic network problems. Each domain has its own help desk staff with personnel located in each office. In
the future, the help desk staff will be responsible for resetting passwords if users forget them.
Office Worker
Only selected users have Internet access. This prevents us from remaining competitive because we
cannot
perform the necessary research about new technologies or software available.
Business Requirements
Business Drivers
The following business requirements must be considered:
? A single internal namespace is required to minimize administrative effort.
? A Web site exists outside the firewall to provide company contact information.
Organizational Goals
The following organizational requirements must be considered:
? The new design must accommodate the finance and HR departments, which have requirements
not addressed by the company??s planned password policy.
? All computers must have the latest service packs and hot fixes installed. In addition, computers in
the advertising department must be updated to have the latest versions of graphics and audio
drivers installed.
Security
The following security requirements must be considered:
? Specific security groups must be set up to address security requirements.
? Security must be based on departments and groups of individuals within the departments.
? Users in the finance department need access to payroll information on a server named Payroll,
which is located in the HR department.
Customer Requirements
The following customer requirements must be considered:
? A new service-level agreement that requires a response from the IT department to users within
one hour must go into effect.
? Personal information about employees must remain secure.
? All client computers, regardless of office location, must be able to access all other computers.
Technical Requirements
Active Directory
The following Active Directory requirements must be considered:
? The company requires a new Active Directory environment that enables the security requirements
of various departments to be met. This must be accomplished by installing a Windows Server 2003
on all domain controllers.
? A completely decentralized administrative approach will be used. Each group of administrators
will be responsible for its own departmental environment.
? Only one operations master role will be allowed per domain controller. This is required for fault
tolerance.
? DNS replication of the forest root domain must be limited to forest domain controllers only.
Network Infrastructure
The following infrastructure requirements must be considered:
? A new Routing and Remote Access solution must be installed:
? A DHCP solution that is fault tolerant within each office must be implemented
? All WAN links must be fault tolerant
? Name resolution must be localized on the local network
Correct Answer:
11. You are designing an Active Directory forest structure to meet the business and technical
requirements. What should you do?
A.Create a single forest that has one domain. Use organizational units (OUs) to separate the
departments.
B.Create a single forest that has multiple domains to represent every department.
C.Create a single forest that has three domains: one for finance, one for HR, and one for the remaining
departments.
D.Create multiple forests that has a single domain in each forest to represent the departments.
Correct Answer: C