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CCIE Routing and Switching Exam Certification Guide, Third Edition by Naren Mehta - CCIE No. 9797, Rus Healy - CCIE No. 15025, Wendell Odom - CCIE No. 1624

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Appendix B. Decimal to Binary Conversion Table

This appendix provides a handy reference for converting between decimal and binary formats for the decimal numbers 0 through 255. Feel free to refer to this table when practicing the subnetting problems in Appendix D, “IP Addressing Practice,” which is on the CD.

Although this appendix is useful as a reference tool, note that if you plan to convert values between decimal and binary when doing subnetting-related exam questions, instead of using the shortcut processes that mostly avoid binary math, you will likely want to practice converting between the two formats before the exam. For practice, just pick any decimal value between 0 and 255, convert it to 8-bit binary, and then use this table to find ...

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