1Y0-A01 Citrix XenServer Enterprise Edition 4.0 Exam Prep. This is a 74 question Exam Preparation for 1Y0-A01. I have taken the exam and it is a 40 question exam. I passed with 100. This set of questions is what you will expect. Review these questions and you WILL Pass! You cannot go wrong. They are as close to what you will get on the actual exam as you can get. This is what you need. I have many Certifications myself and I would not steer you wrong. This is the UCANPASS Exam. All you need is Adobe reader.