Guide to MCSE 70-270, Second Edition, Enhanced 1
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
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Windows XP Network Overview (continued)
• Can function as:• Client
• Server (limited)
• Both
• Networking components can be added and removed
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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
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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
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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
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Networking Under Windows XP
• Controlled by a single multifaceted interface that combines networking access for:• LAN
• Internet
• Modem
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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
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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
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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
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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
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Advanced Settings dialog box, Adapters and Bindings tab
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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
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IP Addresses
• Designates network and host• Divided into Classes• Subnet mask:
• Used to block network part of address
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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
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TCP/IP Protocols (continued)
• User Datagram Protocol (UDP)• File Transfer Protocol (FTP)• Telnet• Simple Mail Transfer Protocol (SMTP)• Simple Network Management Protocol (SNMP)
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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)
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TCP/IP Utilities and Services (continued)
• IPCONFIG• NETSTAT• NBTSTAT
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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
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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
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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)
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Remote Desktop
• Similar to a single client version of Terminal Services
• Workers access work machine from home• Enabled through a component of IIS
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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
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Server Service
• Handles the creation and management of shared resources
• Performs security checks against requests for such resources
• Elements:• Server.exe
• Srv.sys
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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