70-296 Planning, Implementing, and Maintaining a Microsoft Windows Server 2003 Environment for a W2K MCSE Practice Tests

Demo Question 4.

You work as a systems engineer at EliteCertify.com. The EliteCertify.com network consists of a single domain named EliteCertify.com. EliteCertify.com contains two Active Directory sites. These two sites are connected via 128 Kb ISDN lines. Each site has its own domain controllers that run Windows Server 2003. The EliteCertify.com users have been complaining about slow Wide Area Network (WAN) link over the 128 Kb ISDN lines between the sites. They need these sites to be optimally accessible since they all require resources that are hosted in both sites. You then receive instruction from the CIO to address the issue. You now need to troubleshoot the network. In your efforts you observe that the domain controllers at each location are replicating across the WAN link throughout the course of the business day whilst most EliteCertify.com users require access to resources in the sites other than where they are located. All this replication consumes all the bandwidth for extensive periods of time making it difficult for the EliteCertify.com users to carry out heir tasks. You need to alleviate the bandwidth problem. What should you do? (Each correct answer presents part of the solution. Choose two.)

A. A Site Link between the two sites should be created.
B. A Site Link bridge between the two sites should be created.
C. The two sites should be merged to form a single site.
D. You should schedule replication to occur at off-peak hours.
E. You should schedule replication to occur at peak hours.
F. A preferred bridgehead serve should be configured at each location.


Display Answer

Answer: A, D

Explanation: The two sites are replicating throughout the day over a low availability 128 Kb line which slows down the network considerably. When sites are created they are associated with the DefaultIPSiteLink site link. The default Active Directory replication schedule for the DefaultIPSiteLink is set to replicate every three hours. Thus you should create a new site link using the two sites and then configure replication stop occurring during business hours by rescheduling it to take place in off-peak time. (Alternative you could change the replication schedule on the DefaultIPSiteLink, but this option is not available in this question.) Incorrect answers: B. A Site Link bridge is used to specify a replication path in the site link topology. Thus this option is not addressing the issue. C. If you merge the two sites into a single site, then replication will occur using a change notification mechanism which would further result in replication within five minutes of every change to Active Directory. E. Replication should be schedules to occur at off-peak hours rather. F. Configuring a preferred bridgehead server will simply force the server to handle replication between the sites and will not address the problem.