Semester 1 Module 1. Module Index Module : Introduction to Networking Connecting to the Internet...
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![Page 1: Semester 1 Module 1. Module Index Module : Introduction to Networking Connecting to the Internet Requirements for Internet connection PC basics Network.](https://reader035.fdocuments.net/reader035/viewer/2022062718/56649eb45503460f94bbc75c/html5/thumbnails/1.jpg)
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 remainder 0• 109÷2=54 remainder 1• 54÷2=27 remainder 0• 27÷2=13 remainder 1• 13÷2=6 remainder 1• 6÷2=3 remainder 0• 3÷2=1 remainder 1• 1÷2=0 remainder 1
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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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IP Math
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