Chapter11  -- networking with tcpip and the internet
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Chapter11 -- networking with tcpip and the internet

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Basic Networking Guide

Basic Networking Guide

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Chapter11  -- networking with tcpip and the internet Chapter11 -- networking with tcpip and the internet Presentation Transcript

  • Chapter 11: Networking with TCP/IP and the Internet Network+ Guide to Networks
  • Objectives
    • Discuss methods of network design unique to TCP/IP networks, including subnetting, CIDR, and NAT
    • Describe protocols used between mail clients and mail servers
  • Objectives (continued)
    • Explain the fundamental principles of using a TCP/IP network for packetized voice transmissions
    • Employ multiple TCP/IP utilities for network discovery and troubleshooting
  • Designing TCP/IP-Based Networks
    • Subnetting
      • Enhance security
      • Improve performance
      • Simplify troubleshooting
  • Designing TCP/IP-Based Networks (continued)
    • Subnetting
      • Classful Addressing
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
    • Subnetting
      • Subnet Masks
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
    • Subnetting
      • Reserved Addresses
  • Designing TCP/IP-Based Networks (continued)
    • Subnetting
      • Subnetting Techniques
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
    • Subnetting
      • Calculating Subnets
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
    • Subnetting
      • Classless Inter-Domain Routing (CIDR)
        • Classless routing or supernetting
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
    • Subnetting
      • Internet Gateways
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
    • Subnetting
      • Network Address Translation (NAT)
  • Designing TCP/IP-Based Networks (continued)
  • Designing TCP/IP-Based Networks (continued)
    • Subnetting
      • Intranets and Extranets
        • Hypertext Markup Language (HTML)
        • Intranet
          • Within an enterprise
        • Extranet
          • Uses Internet-like services and protocols
  • Designing TCP/IP-Based Networks (continued)
    • Simple Mail Transfer Protocol (SMTP)
      • Protocol responsible for moving messages from one mail server to another over TCP/IP-based networks
  • TCP/IP Mail Services
    • MIME (Multipurpose Internet Mail Extensions)
      • Allows for messages that contain no more than 1000 ASCII characters
  • TCP/IP Mail Services (continued)
    • Post Office Protocol (POP)
      • Application layer protocol used to retrieve messages from a mail server
  • TCP/IP Mail Services (continued)
    • Internet Mail Access Protocol (IMAP)
      • Retrieve all or only a portion of any mail message
      • Review their messages and delete them while the messages remain on the server
      • Create sophisticated methods of organizing messages on the server
      • Share a mailbox in a central location
  • Additional TCP/IP Utilities
    • Netstat
      • -a—Provides a list of all available TCP and UDP connections
      • -e—Displays details about all the packets
      • -n—Lists currently connected hosts according to their port and IP address
  • Additional TCP/IP Utilities (continued)
    • Netstat (cont.)
      • -p—Allows you to specify what type of protocol statistics to list
        • Must be followed by a protocol specification (TCP or UDP)
      • -r—Provides a list of routing table information
      • -s—Provides statistics about each packet transmitted by a host, separated according to protocol type (IP,TCP, UDP, or ICMP)
  • Additional TCP/IP Utilities (continued)
  • Additional TCP/IP Utilities (continued)
    • Nbtstat
      • -a—Displays a machine’s name table given its NetBIOS name
      • -A—Displays a machine’s name table given its IP address
      • -r—Lists statistics about names that have been resolved
      • -s—Displays a list of all the current NetBIOS sessions
  • Additional TCP/IP Utilities (continued)
    • Nslookup
      • Allows you to query the DNS database
  • Additional TCP/IP Utilities (continued)
  • Additional TCP/IP Utilities (continued)
    • Whois
      • Allows you to query this DNS registration database and obtain information about a domain
  • Additional TCP/IP Utilities (continued)
    • Traceroute (Tracert)
      • -d—Instructs the traceroute command not to resolve IP addresses to host names
      • -h—Specifies the maximum number of hops
      • -w—Identifies a timeout
  • Additional TCP/IP Utilities (continued)
  • Additional TCP/IP Utilities (continued)
    • Ipconfig
      • /?—Displays a list of switches
      • /all—Displays complete TCP/IP configuration
      • /release—Releases DHCP
      • /renew—Renews DHCP
  • Additional TCP/IP Utilities (continued)
  • Additional TCP/IP Utilities (continued)
    • Winipcfg
      • Windows 9x and Me operating systems
  • Additional TCP/IP Utilities (continued)
  • Additional TCP/IP Utilities (continued)
    • Ifconfig
      • -a
      • down
      • up
  • Additional TCP/IP Utilities (continued)
  • Voice Over IP (VOIP)
    • Voice over IP (VoIP), also known as IP telephony
      • Lower costs for voice calls
        • toll bypass
      • Supply new or enhanced features and applications
      • Centralize voice and data network management
  • Voice Over IP (VOIP) (continued)
  • Voice Over IP (VOIP) (continued)
  • Voice Over IP (VOIP) (continued)
  • Chapter Summary
    • Discuss methods of network design unique to TCP/IP networks, including subnetting, CIDR, and NAT
    • Describe protocols used between mail clients and mail servers
  • Chapter Summary (continued)
    • Explain the fundamental principles of using a TCP/IP network for packetized voice transmissions
    • Employ multiple TCP/IP utilities for network discovery and troubleshooting