1. Semester 1 Module 1

2. Module Index Module : Introduction to Networking Connecting to the Internet Requirements for Internet connection PC basics Network interface card NIC and modem installation Overview of high-speed and dial-up connectivity TCP/IP description and configuration Testing connectivity with ping Web browser and plug-Ins Troubleshooting Internet connection problems Network Math Binary presentation of data Bits and bytes Base 10 number system Base 2 number system Converting decimal numbers to 8-bit binary numbers Converting 8-bit binary numbers to decimal numbers Four-octet dotted decimal representation of 32-bit binary numbers Hexadecimal Boolean or binary logic IP addresses and network masks

3. Labs 1.1.6 PC Network TCP/IP tools 1.1.7 Ping & Tracert 1.1.9 Troubleshooting PC&Network 1.2.5 Decimal to Binary 1.2.6 Binary to Decimal 1.2.8 Hexadicimal

4. Connection to the Internet

5. PC Hardware Resistor – Connector Light emitting diode (LED) Random-access memory (RAM) Read-only memory (ROM) Expansion slot Power supply Network interface card (NIC)

6. NIC Protocols – Ethernet, Token Ring, or FDDI Types of media – Twisted-pair, coaxial, wireless, or fiber-optic Type of system bus – PCI or ISA A NIC must be installed for each device on a network Situations that require NIC installation include the following: Installation of a NIC on a PC that does not already have one Replacement of a malfunctioning or damaged NIC Upgrade from a 10-Mbps NIC to a 10/100/1000-Mbps NIC Change to a different type of NIC, such as wireless Installation of a secondary, or backup, NIC for network security reasons

7. winipcfg

8. ipconfig

9. Ping ping 127.0.0.1. ping IP address of host computer ping default-gateway IP address ping remote destination IP address

10. Ping

11. Tracert

12. Troubleshoot

13. Bit&Byte

14. Decimal system (Base 10)

15. Binary system (Base 2)

16. Conversion

17. Convertion 218 = 11011010 218÷2=109 remainder0 109÷2=54 remainder1 54÷2=27 remainder0 27÷2=13remainder1 13÷2=6remainder1 6÷2=3remainder0 3÷2=1remainder1 1÷2=0remainder1

18. Dotted Decimal notation

19. Hexadecimal 0x5D

20. Conversion Bin to Hex

21. Boolean logic NOT – AND – OR –

22. IP Math

23. 11111111 00000000 00000000 00000000 written in dotted decimal as 255.0.0.0 11111111 11111111 00000000 00000000 written in dotted decimal as 255.255.0.0 The IP address 10.34.23.134 in binary is 00001010.00100010.00010111.10000110

24. IP Math 00001010.00100010.00010111.10000110 11111111.00000000.00000000.00000000 00001010.00000000.00000000.00000000 10.0.0.0 00001010.00100010.00010111.10000110 11111111.11111111.00000000.00000000 00001010.00100010.00000000.00000000 10.34.0.0