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Semester 1 Module 1
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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
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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
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Connection to the Internet
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PC Hardware Resistor – Connector Light emitting diode (LED) Random-access memory (RAM) Read-only memory (ROM) Expansion slot Power supply Network interface card (NIC)
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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
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winipcfg
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ipconfig
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Ping ping 127.0.0.1. ping IP address of host computer ping default-gateway IP address ping remote destination IP address
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Ping
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Tracert
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Troubleshoot
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Bit&Byte
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Decimal system (Base 10)
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Binary system (Base 2)
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Conversion
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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
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Dotted Decimal notation
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Hexadecimal 0x5D
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Conversion Bin to Hex
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Boolean logic NOT – AND – OR –
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IP Math
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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
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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
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