CS345 - Data Communications Resources
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Network Notepad: Download
Download the Freeware Edition of this network diagram drawing tool. NOTE: The software is only available on Windows.
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Visio 2019: Download & Install
Download the Visio Professional 2019 64-bit installer from Azure Dev Tools for Teaching (login required). Don't forget to copy the Product Key!
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Visio 2019: Register
Walks you through registering your copy of Visio Professional 2019. Be sure to have your Product Key handy!
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Wireshark Download
Download the Wireshark network packet analyzer application. Installers are available for a variety of operating systems.
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Commonly Used Metric System Units (USMA)
Table from the U.S. Metric Association showing the most commonly-used metric system prefixes and what they mean, including conversion factors.
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Subnet Calculator
Subnet calculator provided by TunnelsUP. You fill an example IP address with a CIDR prefix, and the calculator provides all the configuration details for the address's subnet (net mask, usable range, usable hosts, etc.)
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Subnet Mask Cheat Sheet
Summary of subnetting information for networks of various sizes. Includes very helpful and detailed tables of all subnets derived from the most commonly-used CIDR prefixes.
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Creating a Network Diagram with Network Notepad
Brief video tutorial showing you how to install and use the Network Notepad diagramming tool.
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Displaying and Flushing your DNS cache (Windows, Mac, and Linux)
Brief guide from SolarWinds explaining how to both display and flush the DNS cache on a Mac, Windows PC, or Linux host.
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Understanding Ethernet Wiring
Helpful, comprehensive article from Practical Networking that explains all things Ethernet and the terminology used throughout the family of standards, including wiring specifications.