Passing 500-560 exam was not difficult at all. Because All the questions are similar to what i would have faced in the actual certification exam. I scored easily because i had the foresight required in clearing the actual 500-560 exam.
Cisco OCSE Books
A great way to start the Cisco Express Specialization Networking Track (OCSE) preparation is to begin by properly appreciating the role that syllabus and study guide play in the Cisco 500-560 certification exam. This study guide is an instrument to get you on the same page with Cisco and understand the nature of the Cisco On-Premise and Cloud Solutions exam.