While we are all working through the Official Cert Guides, I’ve found that 9tut offers some of the most accurate practice questions available online. The interface is straightforward, but the real value lies in the explanations provided for the answers. They don't just tell you the right answer; they explain why it is right and why the distractors are wrong.
Detailed walkthroughs of the "Simlets" and "Drag-and-Drop" questions found on the actual exam. 9tut ccnp