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Objectives

70-270: MCSE Guide to Microsoft Windows XP Professional Second Edition, Enhanced Chapter 7: Windows XP Network Protocols. Objectives. Understand networking in Windows XP Understand Windows XP networking protocols Configure and use TCP/IP protocols and services

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Objectives

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  1. 70-270: MCSE Guide to Microsoft Windows XP ProfessionalSecond Edition, EnhancedChapter 7: Windows XP Network Protocols

  2. Objectives • Understand networking in Windows XP • Understand Windows XP networking protocols • Configure and use TCP/IP protocols and services • Access NetWare servers and services from Windows XP • Understand Windows XP Remote tools Guide to MCSE 70-270, Second Edition, Enhanced

  3. Windows XP Network Overview • Most versatile Windows operating system • Supports local area network (LAN) connections • Supports emerging wireless technologies • Improved on the remote access support found in previous versions • Can function as: • Client • Server (limited) • Both Guide to MCSE 70-270, Second Edition, Enhanced

  4. Windows XP Network Overview (continued) • Can function as: • Client • Server (limited) • Both • Networking components can be added and removed Guide to MCSE 70-270, Second Edition, Enhanced

  5. Network Protocols Supported by Windows XP • Major protocols: • TCP/IP • NWLink Guide to MCSE 70-270, Second Edition, Enhanced

  6. TCP/IP • All-embracing suite of protocols • Covers a wide range of capabilities • Been around for a long time • Most common networking protocol • Used by the Internet Guide to MCSE 70-270, Second Edition, Enhanced

  7. TCP/IP Advantages • Supports networking services better than the other Windows XP protocols • Multiple routing protocols • Good error detection and handling • Works with most kinds of computers Guide to MCSE 70-270, Second Edition, Enhanced

  8. TCP/IP Disadvantages • Not fast • Not easy to use • Requires • Fair degree of expertise • Careful planning • Constant maintenance and attention • Mass of information and detail work Guide to MCSE 70-270, Second Edition, Enhanced

  9. NWLink (IPX/SPX) • Microsoft implementation of Novell’s Internetwork Packet Exchange/Sequenced Packet Exchange (IPX/SPX)protocol stack • Works with the Network Device Interface Specification (NDIS)driver technology Guide to MCSE 70-270, Second Edition, Enhanced

  10. NetBEUI and DLC • NetBIOS Extended User Interface (NetBEUI) • Data Link Control (DLC) • Greatly deemphasized in XP Guide to MCSE 70-270, Second Edition, Enhanced

  11. Networking Under Windows XP • Controlled by a single multifaceted interface that combines networking access for: • LAN • Internet • Modem Guide to MCSE 70-270, Second Edition, Enhanced

  12. Wireless Networking • Supports IEEE 802.11 wireless standards • Also known as Wi-Fi networks • Base station • Supports one or more clients • NIC • Client must have wireless NIC Guide to MCSE 70-270, Second Edition, Enhanced

  13. The Windows XP Network Bridge • Layer 2 bridge between two or more network interfaces • Connects network segments • No need to purchase separate bridge or router • Only single bridge per system supported • Only similar interfaces can be bridged Guide to MCSE 70-270, Second Edition, Enhanced

  14. Network Setup Wizard • Used to configure nondomain networks • Used for small offices and home networks • Step-by-step, walk-through tool • Can be opened from the network tasks list • Wizard on the system to be the ICS host first Guide to MCSE 70-270, Second Edition, Enhanced

  15. Managing Bindings • Binding • Order in which Windows XP networking components are linked • Affect how the systems behave • Affects system performance • Default behavior: • Binds any two components that share a common boundary layer • Known as complete binding Guide to MCSE 70-270, Second Edition, Enhanced

  16. Advanced Settings dialog box, Adapters and Bindings tab Guide to MCSE 70-270, Second Edition, Enhanced

  17. TCP/IP Architecture • Suite of protocols • Internet Protocol • Provides source and destination addressing and routing • Addresses • 4 bytes (32 bits) long • Each octet between 0 and 255 • Connectionless datagram protocol • Fast but unreliable Guide to MCSE 70-270, Second Edition, Enhanced

  18. IP Addresses • Designates network and host • Divided into Classes • Subnet mask: • Used to block network part of address Guide to MCSE 70-270, Second Edition, Enhanced

  19. TCP/IP Protocols • Internet Control Message Protocol (ICMP) • Address Resolution Protocol (ARP) • Dynamic Host Configuration Protocol (DHCP) • Transmission Control Protocol (TCP) • Primary Internet transport protocol • Connection oriented • Port number • Identifies process Guide to MCSE 70-270, Second Edition, Enhanced

  20. TCP/IP Protocols (continued) • User Datagram Protocol (UDP) • File Transfer Protocol (FTP) • Telnet • Simple Mail Transfer Protocol (SMTP) • Simple Network Management Protocol (SNMP) Guide to MCSE 70-270, Second Edition, Enhanced

  21. TCP/IP Utilities and Services • Berkeley R Utilities • route command • tracert (or trace route) command • Packet Internet Groper (PING) • Trivial File Transfer Protocol (TFTP) • Domain Name System (DNS) • Windows Internet Naming Service (WINS) Guide to MCSE 70-270, Second Edition, Enhanced

  22. TCP/IP Utilities and Services (continued) • IPCONFIG • NETSTAT • NBTSTAT Guide to MCSE 70-270, Second Edition, Enhanced

  23. TCP/IP Configuration • Performed through the Network Connections tool • Default settings: • Seek out DHCP server to provide all configuration settings • Alternate configuration tab • Used when DHCP is not available Guide to MCSE 70-270, Second Edition, Enhanced

  24. IPv6: Looking To The Future • Aims to correct the address shortage: • 128-bit addresses • Improve other aspects of TCP/IP, including: • Security • Efficiency • Preliminary support in XP Guide to MCSE 70-270, Second Edition, Enhanced

  25. Windows XP Remote Tools • Remote Assistance • Allows a distant user to view your desktop • Have control over the mouse and keyboard activities • Remote Desktop • Enables you to access your client’s logon environment from a remote system Guide to MCSE 70-270, Second Edition, Enhanced

  26. Remote Assistance • Designed to simplify the task of training users • Requires invitation • Invitation expires • Both machines must be XP • Windows Messenger or MAPI-compliant e-mail utility required • Uses Remote Desktop Protocol (RDP) Guide to MCSE 70-270, Second Edition, Enhanced

  27. Remote Desktop • Similar to a single client version of Terminal Services • Workers access work machine from home • Enabled through a component of IIS Guide to MCSE 70-270, Second Edition, Enhanced

  28. Windows XP and Netware Networks • NetWare • Developed by Novell • Popular file and print-sharing network • Microsoft includes interconnectivity enhancements: • NWLink • Client Service for NetWare • File and Print Services for NetWare • Gateway Services for NetWare Guide to MCSE 70-270, Second Edition, Enhanced

  29. NetWare Data Storage • Bindery • Introduced in version 1 • Proprietary database • Novell Directory Service (NDS) • Introduced in version 4 • Hierarchical database • Comparable to Active Directory Guide to MCSE 70-270, Second Edition, Enhanced

  30. Netware Compatibility Components • NWLink • Microsoft’s implementation of IPX/SPX protocol suite • Can communicate with all NetWare implementations • Client Service for NetWare Guide to MCSE 70-270, Second Edition, Enhanced

  31. NWLink • IPX (Internetwork Packet Exchange) • Connectionless protocol • Provides quick network transport for most communications • SPX (Sequenced Packet Exchange) • Connection-oriented protocol • Provides guaranteed packet delivery Guide to MCSE 70-270, Second Edition, Enhanced

  32. Client Service for NetWare • Allows Windows XP computer to access resources on NetWare servers version: • 2.x • 3.x • 4.x • Implements NetWare Core Protocol (NCP)requests for file and print services Guide to MCSE 70-270, Second Edition, Enhanced

  33. Bindery and NDS Support • CSNW includes support for both bindery and NDS servers • Access the bindery for logon authentication • NDS tree • Hierarchical NDS implementation resembles a tree Guide to MCSE 70-270, Second Edition, Enhanced

  34. Installing and Configuring Client Service for NetWare • Installation in: • Local Area Connection Properties dialog box • Client component • Assign default NetWare tree and context • Cannot browse for tree and context data • Not configured through Local Area Connection Properties dialog box Guide to MCSE 70-270, Second Edition, Enhanced

  35. Connecting To Netware Resources • Accomplished through My Network Places • Presented with icons for each type of client installed Guide to MCSE 70-270, Second Edition, Enhanced

  36. Choosing Appropriate NetWare Client Software • NetWare Servers > Windows Servers • Novell 32-bit client for Windows. • Windows Servers > NetWare Servers • Microsoft client for NetWare networks. • NetWare Servers = Windows Servers • Microsoft client for NetWare networks • Access to files and printing only • Gateway Services for NetWare on Windows servers Guide to MCSE 70-270, Second Edition, Enhanced

  37. Interprocess Communication • Exchange of information between processes • General-purpose mechanism • Defines a way for client computers to request services from some servers • Permits servers to reply to requests for services • Two categories: • Programming interfaces • File system mechanisms Guide to MCSE 70-270, Second Edition, Enhanced

  38. IPC File System Mechanisms • Named pipes • Connection-oriented message-passing • Message’s receiver must acknowledge each message it receives • Mail slots • Connectionless version of named pipes • No delivery guarantees Guide to MCSE 70-270, Second Edition, Enhanced

  39. IPC Programming Interfaces • NetBIOS • Windows Sockets (Winsock) • Remote Procedure Call (RPC) • Network Dynamic Data Exchange (NetDDE) • Distributed Component Object Model (DCOM) • Windows Network (Wnet) • Win32 Internet API (WinInet) Guide to MCSE 70-270, Second Edition, Enhanced

  40. Redirectors • Examines all requests for system resources • Decides whether such requests are local or remote • Workstation service • Server service • Multiple Universal naming convention Provider (MUP) • Multi-Provider Router (MPR) Guide to MCSE 70-270, Second Edition, Enhanced

  41. Workstation Service • Supports client access to network resources • Handles functions such as: • Logging in • Connecting to network shares (directories and printers) • Creating links using Windows XP IPC options • Elements: • User mode interface • Redirector Guide to MCSE 70-270, Second Edition, Enhanced

  42. Server Service • Handles the creation and management of shared resources • Performs security checks against requests for such resources • Elements: • Server.exe • Srv.sys Guide to MCSE 70-270, Second Edition, Enhanced

  43. Multiple Universal Naming Convention Provider • Defines link between applications that make UNC requests for different redirectors • Allows applications to remain oblivious to number or type of redirectors that might be in use • Chooses redirectors on basis of highest registered response time Guide to MCSE 70-270, Second Edition, Enhanced

  44. Universal Naming Convention Names • Represent the format used in NetBIOS-oriented name resolution systems • Example: \\computername\sharename\dir-path\filename.ext Guide to MCSE 70-270, Second Edition, Enhanced

  45. Multi-Provider Router • Lets applications written to older Microsoft specifications behave as if they were written to conform to UNC naming • Handles all Win32 Network API calls Guide to MCSE 70-270, Second Edition, Enhanced

  46. Summary • TCP/IP provides primary network access • Windows XP supports and employs numerous subprotocols and utilities associated with TCP/IP • New networking features and utilities: • Network bridging • Remote Assistance and Remote Desktop • Greater support for wireless networking • Support for upcoming IPv6 protocol Guide to MCSE 70-270, Second Edition, Enhanced

  47. Summary (continued) • NetWare support: • NWLink protocol • Client Service for NetWare (CSNW) Guide to MCSE 70-270, Second Edition, Enhanced

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