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Reference

Networking Cheat Sheets

 

We've gathered our cheat sheets for fast reference to networking technology information. You'll find cheat sheets listing specifications, cabling information and more. Do you have a favorite networking cheat sheet? Let us know!

Need more information before you get started? See our definitions for network, network topology and network convergence.

  • IEEE 802 Wireless Standards: Fast Reference -- See the standards at a glance, along with an overview and a quick description, with links to more detailed information.

  • Categories of Twisted Pair Cabling Systems -- Our fast reference table lists categories, their maximum data speeds and usual applications.

  • The Speed of... -- This table shows the stated data rates for the most important end-user and backbone transmission technologies.

  • Digital Signal X -- Digital signal X is based on the ANSI T1.107 guidelines. (The ITU-TS guidelines differ somewhat.) Our table summarizes the set of signals and relates them to the T-carrier and E-carrier systems.

  • OSI Reference Model -- Open Systems Interconnection ( OSI ) is a standard reference model for communication between two end users in a network. The model is used in developing products and understanding networks. Also see the notes below the figure explaining communications at each layer.

  • Subnet Mask Cheat Sheet -- A subnet mask is a screen of numbers used for routing traffic within a subnet. See this subnet mask cheat sheet with a guide to sub-class C blocks.

  • Internet Protocol Network Mask Cheat Sheet -- This fast reference guide lists number of bits, number of addresses available to nodes, masks, dotted quad binary and comments.

  • IPv6 -- See lists and explanations of IPv6 details.

  • Optical Carrier Levels (OCx) -- The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber. The base rate (OC-1) is 51.84 Mbps. Certain multiples of the base rate are provided as shown in the table. Asynchronous transfer mode (ATM) makes use of some of the Optical Carrier levels.

  • TCP/IP -- SANS.org provides this TCP/IP and tcpdump fast reference.

We've got lots more!

There's more in-depth information in our networking learning guides. See all our networking definitions. Then, test your knowledge with our networking quizzes.

Check out the full collection of  Our Favorite Cheat Sheets for fast help on a wide range of subjects. You'll find information about e-mail and messaging, texting and Twitter abbreviations and a wide range of technical content, including subjects like programming, blogging, browser shortcuts, and search engine optimization.

This was last updated in March 2010

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