My name is Ken Yeo. This is a simple little blog I used to keep track of the things I learned while studying for CCDE. I hope the information on this blog will help you in your pursue of CCDE as well.

If you like to connect with me, here is my linkedin page:

View Ken Yeo (CCIE Emeritus, CISSP)'s profile on LinkedIn

May God bless your study.

Ken Yeo




  1. James Gallagher

    Looking for your thoughts on Top-Down Network Design, 3rd edition regarding the CCDE Practical. Thank you and God Bless.

    • Ken Yeo

      Top-Down Network Design is a great book for the CCDE Practical, I would recommended you to read it at least once, especially on part 1 and part 2. The key to the practical is to clearly understand the business requirements and constraints, and then apply the best solution for the business.

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