What stands out is the revised emphasis on ethical considerations.
CCNA ICND2 640-816 Official Cert Guide by Wendell Odom
A nice touch in this textbook is the cheat sheet for common formulas.
CCNA ICND2 640-816 Official Cert Guide- hardcover, 1587204355, Wendell Odom, new
This textbook was recommended by my instructor for the advanced module.
