SteveO86 wrote: » Yea, I did CCDA after my CCNP. CCDA is a lot of theory and no real configuration, but I think it would hard to design something like HSRP/GLBP if you never heard of it before. It might be good enough to search through cisco.com documentation concerning any topics you are not very familiar with, but that is up to you. As far as switch book recommendations, not too sure as I took the old BCMSN test.
Slowhand wrote: » This is also a great book for Cisco design philosophy: Top-Down Network Design (3rd Edition) by Priscilla Oppenheimer It's definitely a more advanced book, and it's not targeted specifically at the CCDA or CCDP, but it's a great read and will absolutely help bring it all together for the exam.