1. CCNA 1 Module1

2. Objectives

3. Internet Connections Physical – NIC card to connect to local net Logical – Use a standard set of protocols (TCP/IP) Applications – Web browsers, Html, FTP

4. PC Basics

10. Network Interface Card

11. NIC Card Resources Serial Connection to the network (not a serial port) IRQ (interrupt request) I/O address (Port addresses) Upper memory address range (640k-1M)

12. NIC – Modem Installation Modem – modulator / demodulator Used to provide connectivity to analog telephone lines Low speed interface using serial or USB ports NIC – Network Interface Card Interface for a host to the network Available in different types depending on computer system and network PCMCIA (PC Card), ISA, PCI Desktop, notebook, server Ethernet, token ring, FDDI

13. Combination 56K Modem and 10/100Mbps NIC PC Card

14. 56K External Modem – Front Panel Status Leds

15. PCMCIA 10/100 NIC Cards – Land based and Wireless

16. NIC Card designed for use in desktop system using PCI and connection to Ethernet 10/100 network

17. External NIC Card using USB type interface

19. High Speed and Dial-up Connectivity DSL (Digital Subscriber Line) and Cable modems provide the most common forms of high speed access Provide low cost connectivity without affecting regular phone or cable service.

20. TCP

21. Testing Connectivity

22. The Ping utility works by sending multiple IP packets to a specified destination, each packet containing a request for a response. Below are examples of ping commands that are commonly used for testing network connectivity.

23. Web Browsers

24. Plug-ins

25. PC/Network Troubleshooting Problems can exist in hardware, software or network configuration as well as network cables and devices.

26. Binary Representation of Data ASCII 65 66 67 68 69 70 71 72 The binary codes shown above use a weighted system where each digit has a different positional weight (128,64,32,16,8,4,2,1). A binary 0 might also mean off, low, disabled, 0V A binary 1 might also mean on, high, enabled, +5V

27. Network Math

28. Base 10 Numbering System

29. Base 2 Numbering System

30. Converting Decimal to Binary

31. Converting Binary to Decimal

32. 4-octet Dotted Decimal Notation

33. Hexadecimal

37. Boolean or Binary Logic

41. IP Addresses and Network Masks