Windows 7 MCTS Working with Certificate Templates
Scalability Large organizations often have many users and large quantities of information to manage. Active Directory was designed with scalability in mind. Not only does it allow for storing millions of objects within a single domain, it also provides mcsa certification
methods for distributing the necessary information between servers and locations. These features relieve much of the burden of designing a directory services infrastructure based on technical instead of business factors. The biggest disadvantage to an Active Directory model is cost. The following are some of the cost items to consider:
The cost of personnel (staff IT or consultants) needed to plan, implement, and maintain the Windows Server 2008 Active Directory model
This is why it is important for you to decide which network model is right for your organization. The choice you make here will determine how your network is going to function and grow down the road.
Summary
This chapter covered how the OSI networking model is organized into seven layers (Physical, Data-Link, Network, Transport, Session, Presentation, and Application) and described each level of the OSI stack. You also learned that Windows Server 2008 includes comptia security certification
support for TCP/IP v4 and v6. TCP/IP is the primary protocol in use today, and Microsoft encourages you to use TCP/IP exclusively, if possible.
Finally, the chapter discussed the two different Microsoft Windows network models (Windows peer-to-peer and Windows Active Directory networks) and the advantages and disadvantages of these models.
Exam Essentials
Know which protocols Windows Server 2008 supports. Previous versions of Microsoft Windows Server supported many networking protocols. Windows Server 2008 no longer supports many of these protocols, including BAP, X.25, SLIP, ATM, IP over IEEE 1394, NWLink IPX/SPX/NetBIOS Compatible Transport Protocol, SFM, several components of Routing and Remote Access (OSPF, Basic Firewall, and static IP filter APIs), SPAP, EAP-MD5- CHAP, and MS-CHAP v1 authentication protocols for PPP-based connections.
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