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Chapter 8: Configuring Network Connectivity

Chapter 8: Configuring Network Connectivity. Installing Network Adapters. Network adapter cards connect a computer to a network. Installation Plug and Play adapters will install automatically Non-Plug and Play adapters must be installed with the Add Hardware Wizard in Control Panel.

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Chapter 8: Configuring Network Connectivity

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  1. Chapter 8: Configuring Network Connectivity

  2. Installing Network Adapters • Network adapter cards connect a computer to a network. • Installation • Plug and Play adapters will install automatically • Non-Plug and Play adapters must be installed with the Add Hardware Wizard in Control Panel

  3. Configuring a Network Adapter • Device Manager • Network adapter’s Properties dialog box • General tab • Advanced tab • Driver tab • Details tab • Resources tab • Power Management tab

  4. Troubleshooting Network Adapters • Common causes of network adapter problems • Network adapter not on the HCL • Outdated network card driver • Network adapter card not recognized by Windows Vista • Hardware not working properly • Improperly configured network protocols • Improperly configured network card • Bad cable • Bad network connection device (hub, switch, router)

  5. Network and Sharing Center

  6. Network Locations • Public • Used for unsecure, public networks • Does not allow discovery between networked computers • Private • Used for secure, private networks • Allows discovery between networked computers

  7. Sharing and Discovery • Network Discovery • File Sharing • Three folders shared by default: • Public • Users • Printers • Public Folder Sharing • Printer Sharing • Password Protected Sharing • Media Sharing

  8. Tasks Pane • View Computers and Devices • Connect to a Network • Manage Wireless Networks • Set Up a Connection or Network • Manage Network Connections • Diagnose and Repair

  9. Remote Access • Two methods of remote access: • Dial-in connection to a Remote Access Service (RAS) Server • Virtual Private Network (VPN) Connection

  10. Remote Access over VPN • Tunneling Protocols • Point-to-Point Tunneling Protocol (PPTP) • Layer Two Tunneling Protocol (L2TP) • Authentication Methods • Password Authentication Protocol (PAP) • Challenge Handshake Authentication Protocol (CHAP) • Microsoft CHAP v2 (MS-CHAPv2) • Extensible Authentication Protocol (EAP) • Encryption Options • Microsoft Point-to-Point Encryption (MPPE) • Internet Protocol Security (IPSec)

  11. Connecting to a Wireless Network

  12. Configuring Security for a Wireless Network • Disable SSID broadcast • Create MAC address filter • Enable Encryption • Wired Equivalent Privacy (WEP) • Wi-Fi Protected Access (WPA) • WPA version 2 (WPA2)

  13. Overview of TCP/IP • Required for Internet connectivity • Installed by default in Vista • Main protocols: • Transmission Control Protocol (TCP) • Internet Protocol (IP) • User Datagram Protocol (UDP) • Address Resolution Protocol (ARP) • Internet Control Message Protocol (ICMP) • Internet Group Management Protocol (IGMP)

  14. Basics of IPv4 Addressing • 32-bit address • Uniquely identifies your computer on the network • Written in dotted decimal notation (192.168.1.144) • Subnet mask • Used to specify the network portion and host portion of an address • Address classes • Class A • Class B • Class C • Default Gateway

  15. Methods of IP Address Assignment • Dynamic Host Configuration Protocol (DHCP) • Assigns IP addressing information to computers • Automatic Private IP Addressing (APIPA) • Static Address Configuration • Alternate Configuration

  16. Domain Name System (DNS) Servers • Used to resolve domain names, such as www.sybex.com, to IP addresses. • DNS servers maintain a distributed database of all the registered domains and their IP addresses. • HOSTS files are used if DNS servers are not available.

  17. Windows Internet Name Service (WINS) Servers • Used to resolve NetBIOS names to IP addresses. • NetBIOS names are primarily used for backwards compatibility with Windows NT 4. • LMHOSTS files are used if WINS servers are not available.

  18. IPv6 Addressing • 128-bit addresses • Allows for a much larger address space than IPv4 • Can coexist with IPv4 • Written in hexadecimal format • Equivalent examples: • 0123:0456:0789:0000:0000:00AB:00CD:00EF • 123:456:789:0:0:AB:CD:EF • 123:456:789::AB:CD:EF

  19. Testing IP Configuration • ipconfig • Displays your IP configuration • Switches • ipconfig /all • ipconfig /release • ipconfig /renew • ping • Tests connectivity between two computers • nbtstat • Displays NetBIOS over TCP/IP connection protocol statistics

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