I tried to attach a screen shot with no success. I logged into apple's certification portal.
From there attempted to register for exam. It essential says that I can take it online as long as I meet the minimum requirements. Below is a copy and paste from Pearson VUE website.
Exam: 9L0-425: OS X Support Essentials 10.11 Exam
View Testing Policies
Price*: USD 250.00
Exam Availability: November 30, 2016 - December 2, 2016
System Requirements: This exam can only be taken if all of the system requirements listed below are met.
Operating System: Mac OS X 10.6 or higher or iOS device with iOS 6
Internet Browser Version: Safari 4.0 or higher, Internet Explorer v6 or higher, Firefox 3.0 or higher, Chrome 5.0 or higher
Screen Resolution: Screen resolution equal to or greater than 1024 X 768
Flash Version: Flash version 9 or greater could be required but depends on the exam you are taking
Internet Connection: You will need a sustained, high speed, Internet connection for the duration of the exam.