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Chapter 10 Networks

Chapter 10 Networks. Software Configuration. Typical NIC Parameters. IRQ 5 also 3, 4, 10 or 11 Base I/P Port Address 300h also 210h or 220h Base Memory Address D000h also C800h. Networking Components. Client Adapter Protocol Service. Network Resource Path.

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Chapter 10 Networks

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  1. Chapter 10Networks Software Configuration

  2. Typical NIC Parameters • IRQ • 5 • also 3, 4, 10 or 11 • Base I/P Port Address • 300h • also 210h or 220h • Base Memory Address • D000h • also C800h

  3. Networking Components • Client • Adapter • Protocol • Service

  4. Network Resource Path • \\computer_name\share_name • Examples: • Printer \\EVAN\HP895cxi • Drive \\EVAN\C • Folder \\EVAN\Downloads

  5. Networking Hardware

  6. Services Provided by ISPs • Dynamic IP address service • Email services • POP3 & SMTP servers • Internet news services • USENET archive servers • Internet routing services • DNS servers

  7. IP Addresses • 8-bit fields (octets) separated by dots (.) • xxx.yyy.zzz.aaa • Each octet holds a value from 0 to 255 • Binary • 10000111.10001011.01001001.00110110 • Decimal • 135.139.73.54 (135.139.073.054)

  8. IP Address Classes • CLASS A • 001.x.y.z to 126.x.y.z • Subnet mask - 255.0.0.0 • 126 networks with up to 17 million nodes • Reserved for the largest networks • 127.x.y.z is owned by the U.S. government for essential Internet support and maintenance hosts • 127.0.0.1 is reserved for testing the bus on the local system

  9. IP Address Classes (cont.) • CLASS B • 128.0.y.z to 191.254.y.z • Subnet mask - 255.255.0.0 • 16,384 networks with up to 65,534 nodes • Reserved for medium sized networks

  10. IP Address Classes (cont.) • CLASS C • 192.x.y.z to 223.254.254.z • Subnet mask - 255.255.255.0 • 2,097,152 networks with up to 254 nodes • Used by smaller networks • 192.168.0.z is reserved for use by local Intranets (i.e. small LANs not visible to or part of the Internet network)

  11. Defining Host and Domain Addresses CLASSNetwork AddressHost Address A w x.y.z B w.x y.z C w.x.y z

  12. Top-Level Domains • .com = Commercial businesses • .edu = Educational institutions • .gov = Government agencies • .mil = Military establishments • .net = Networking organizations • .org = Nonprofit organizations

  13. Requirements for E-mail • Dial-in number (if using a modem) • Account name / User name • Password • POP3 server address • SMTP server address

  14. The TRACERT TCP/IP Utility

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