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Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
Chapter11  -- networking with tcpip and the internet
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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  • 1. Chapter 11: Networking with TCP/IP and the Internet Network+ Guide to Networks
  • 2. Objectives <ul><li>Discuss methods of network design unique to TCP/IP networks, including subnetting, CIDR, and NAT </li></ul><ul><li>Describe protocols used between mail clients and mail servers </li></ul>
  • 3. Objectives (continued) <ul><li>Explain the fundamental principles of using a TCP/IP network for packetized voice transmissions </li></ul><ul><li>Employ multiple TCP/IP utilities for network discovery and troubleshooting </li></ul>
  • 4. Designing TCP/IP-Based Networks <ul><li>Subnetting </li></ul><ul><ul><li>Enhance security </li></ul></ul><ul><ul><li>Improve performance </li></ul></ul><ul><ul><li>Simplify troubleshooting </li></ul></ul>
  • 5. Designing TCP/IP-Based Networks (continued) <ul><li>Subnetting </li></ul><ul><ul><li>Classful Addressing </li></ul></ul>
  • 6. Designing TCP/IP-Based Networks (continued)
  • 7. Designing TCP/IP-Based Networks (continued) <ul><li>Subnetting </li></ul><ul><ul><li>Subnet Masks </li></ul></ul>
  • 8. Designing TCP/IP-Based Networks (continued)
  • 9. Designing TCP/IP-Based Networks (continued)
  • 10. Designing TCP/IP-Based Networks (continued)
  • 11. Designing TCP/IP-Based Networks (continued) <ul><li>Subnetting </li></ul><ul><ul><li>Reserved Addresses </li></ul></ul>
  • 12. Designing TCP/IP-Based Networks (continued) <ul><li>Subnetting </li></ul><ul><ul><li>Subnetting Techniques </li></ul></ul>
  • 13. Designing TCP/IP-Based Networks (continued)
  • 14. Designing TCP/IP-Based Networks (continued)
  • 15. Designing TCP/IP-Based Networks (continued) <ul><li>Subnetting </li></ul><ul><ul><li>Calculating Subnets </li></ul></ul>
  • 16. Designing TCP/IP-Based Networks (continued)
  • 17. Designing TCP/IP-Based Networks (continued) <ul><li>Subnetting </li></ul><ul><ul><li>Classless Inter-Domain Routing (CIDR) </li></ul></ul><ul><ul><ul><li>Classless routing or supernetting </li></ul></ul></ul>
  • 18. Designing TCP/IP-Based Networks (continued)
  • 19. Designing TCP/IP-Based Networks (continued)
  • 20. Designing TCP/IP-Based Networks (continued)
  • 21. Designing TCP/IP-Based Networks (continued) <ul><li>Subnetting </li></ul><ul><ul><li>Internet Gateways </li></ul></ul>
  • 22. Designing TCP/IP-Based Networks (continued)
  • 23. Designing TCP/IP-Based Networks (continued) <ul><li>Subnetting </li></ul><ul><ul><li>Network Address Translation (NAT) </li></ul></ul>
  • 24. Designing TCP/IP-Based Networks (continued)
  • 25. Designing TCP/IP-Based Networks (continued) <ul><li>Subnetting </li></ul><ul><ul><li>Intranets and Extranets </li></ul></ul><ul><ul><ul><li>Hypertext Markup Language (HTML) </li></ul></ul></ul><ul><ul><ul><li>Intranet </li></ul></ul></ul><ul><ul><ul><ul><li>Within an enterprise </li></ul></ul></ul></ul><ul><ul><ul><li>Extranet </li></ul></ul></ul><ul><ul><ul><ul><li>Uses Internet-like services and protocols </li></ul></ul></ul></ul>
  • 26. Designing TCP/IP-Based Networks (continued) <ul><li>Simple Mail Transfer Protocol (SMTP) </li></ul><ul><ul><li>Protocol responsible for moving messages from one mail server to another over TCP/IP-based networks </li></ul></ul>
  • 27. TCP/IP Mail Services <ul><li>MIME (Multipurpose Internet Mail Extensions) </li></ul><ul><ul><li>Allows for messages that contain no more than 1000 ASCII characters </li></ul></ul>
  • 28. TCP/IP Mail Services (continued) <ul><li>Post Office Protocol (POP) </li></ul><ul><ul><li>Application layer protocol used to retrieve messages from a mail server </li></ul></ul>
  • 29. TCP/IP Mail Services (continued) <ul><li>Internet Mail Access Protocol (IMAP) </li></ul><ul><ul><li>Retrieve all or only a portion of any mail message </li></ul></ul><ul><ul><li>Review their messages and delete them while the messages remain on the server </li></ul></ul><ul><ul><li>Create sophisticated methods of organizing messages on the server </li></ul></ul><ul><ul><li>Share a mailbox in a central location </li></ul></ul>
  • 30. Additional TCP/IP Utilities <ul><li>Netstat </li></ul><ul><ul><li>-a—Provides a list of all available TCP and UDP connections </li></ul></ul><ul><ul><li>-e—Displays details about all the packets </li></ul></ul><ul><ul><li>-n—Lists currently connected hosts according to their port and IP address </li></ul></ul>
  • 31. Additional TCP/IP Utilities (continued) <ul><li>Netstat (cont.) </li></ul><ul><ul><li>-p—Allows you to specify what type of protocol statistics to list </li></ul></ul><ul><ul><ul><li>Must be followed by a protocol specification (TCP or UDP) </li></ul></ul></ul><ul><ul><li>-r—Provides a list of routing table information </li></ul></ul><ul><ul><li>-s—Provides statistics about each packet transmitted by a host, separated according to protocol type (IP,TCP, UDP, or ICMP) </li></ul></ul>
  • 32. Additional TCP/IP Utilities (continued)
  • 33. Additional TCP/IP Utilities (continued) <ul><li>Nbtstat </li></ul><ul><ul><li>-a—Displays a machine’s name table given its NetBIOS name </li></ul></ul><ul><ul><li>-A—Displays a machine’s name table given its IP address </li></ul></ul><ul><ul><li>-r—Lists statistics about names that have been resolved </li></ul></ul><ul><ul><li>-s—Displays a list of all the current NetBIOS sessions </li></ul></ul>
  • 34. Additional TCP/IP Utilities (continued) <ul><li>Nslookup </li></ul><ul><ul><li>Allows you to query the DNS database </li></ul></ul>
  • 35. Additional TCP/IP Utilities (continued)
  • 36. Additional TCP/IP Utilities (continued) <ul><li>Whois </li></ul><ul><ul><li>Allows you to query this DNS registration database and obtain information about a domain </li></ul></ul>
  • 37. Additional TCP/IP Utilities (continued) <ul><li>Traceroute (Tracert) </li></ul><ul><ul><li>-d—Instructs the traceroute command not to resolve IP addresses to host names </li></ul></ul><ul><ul><li>-h—Specifies the maximum number of hops </li></ul></ul><ul><ul><li>-w—Identifies a timeout </li></ul></ul>
  • 38. Additional TCP/IP Utilities (continued)
  • 39. Additional TCP/IP Utilities (continued) <ul><li>Ipconfig </li></ul><ul><ul><li>/?—Displays a list of switches </li></ul></ul><ul><ul><li>/all—Displays complete TCP/IP configuration </li></ul></ul><ul><ul><li>/release—Releases DHCP </li></ul></ul><ul><ul><li>/renew—Renews DHCP </li></ul></ul>
  • 40. Additional TCP/IP Utilities (continued)
  • 41. Additional TCP/IP Utilities (continued) <ul><li>Winipcfg </li></ul><ul><ul><li>Windows 9x and Me operating systems </li></ul></ul>
  • 42. Additional TCP/IP Utilities (continued)
  • 43. Additional TCP/IP Utilities (continued) <ul><li>Ifconfig </li></ul><ul><ul><li>-a </li></ul></ul><ul><ul><li>down </li></ul></ul><ul><ul><li>up </li></ul></ul>
  • 44. Additional TCP/IP Utilities (continued)
  • 45. Voice Over IP (VOIP) <ul><li>Voice over IP (VoIP), also known as IP telephony </li></ul><ul><ul><li>Lower costs for voice calls </li></ul></ul><ul><ul><ul><li>toll bypass </li></ul></ul></ul><ul><ul><li>Supply new or enhanced features and applications </li></ul></ul><ul><ul><li>Centralize voice and data network management </li></ul></ul>
  • 46. Voice Over IP (VOIP) (continued)
  • 47. Voice Over IP (VOIP) (continued)
  • 48. Voice Over IP (VOIP) (continued)
  • 49. Chapter Summary <ul><li>Discuss methods of network design unique to TCP/IP networks, including subnetting, CIDR, and NAT </li></ul><ul><li>Describe protocols used between mail clients and mail servers </li></ul>
  • 50. Chapter Summary (continued) <ul><li>Explain the fundamental principles of using a TCP/IP network for packetized voice transmissions </li></ul><ul><li>Employ multiple TCP/IP utilities for network discovery and troubleshooting </li></ul>

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