ch08 - Network+ Guide to Networks, Fourth Edition Chapter 8...

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Network+ Guide to Networks, Fourth Edition Chapter 8 Network Operating Systems and Windows Server 2003-Based Networking
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Network+ Guide to Networks, 4e 2 Objectives Discuss the functions and features of a network operating system Define the requirements for a Windows Server 2003 network environment Describe how Windows Server 2003 fits into an enterprise-wide network
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Network+ Guide to Networks, 4e 3 Objectives (continued) Perform a simple Windows Server 2003 installation Manage simple user, group, and rights parameters in Windows Server 2003 Understand how Windows Server 2003 integrates with other popular network operating systems
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Network+ Guide to Networks, 4e 4 Introduction to Network Operating Systems A NOS must: Centrally manage network resources, such as programs, data, and devices Secure access to a network Allow remote users to connect to a network Allow users to connect to other networks Back up data and make sure it’s always available
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Network+ Guide to Networks, 4e 5 Introduction to Network Operating Systems (continued) An NOS must (continued): Allow for simple additions of clients and resources Monitor status and functionality of network elements Distribute programs and software updates to clients Ensure efficient use of a server’s capabilities Provide fault tolerance in case of a hardware or software problem
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Network+ Guide to Networks, 4e 6 Selecting a Network Operating System Decision will depend largely on OSs and applications running on LAN Consider: Compatibility with existing infrastructure Security Whether applications will run smoothly Scalability Additional services Budget Training Support
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Network+ Guide to Networks, 4e 7 Network Operating Systems and Servers Most networks rely on servers that exceed minimum hardware requirements suggested by software vendor Considerations to determine optimal hardware: Number of connecting clients Applications Storage requirements Acceptable downtime Cost versus budget
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Network+ Guide to Networks, 4e 8 Network Operating System Services and Features: Client Support Client support includes following tasks: Creating and managing client accounts Enabling clients to connect to the network Allowing clients to share resources Managing clients’ access to shared resources Facilitating communication between clients
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Network+ Guide to Networks, 4e 9 Client/Server Communication Figure 8-1: A client connecting to a NOS
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Network+ Guide to Networks, 4e 10 Client/Server Communication (continued) To expedite access to directories whose files are frequently required, map a drive to that directory File access protocol enables one system to access resources stored on another system Common Internet File System (CIFS) Server Message Block (SMB) AppleTalk Filing Protocol (AFP) Middleware: software used to translate requests and responses between client and server
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Network+ Guide to Networks, 4e 11 Client/Server Communication (continued) Figure 8-2: Middleware between clients and a server
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ch08 - Network+ Guide to Networks, Fourth Edition Chapter 8...

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