Red Hat Remote Exam:
Remote Exam is an alternate way of exam delivery offered by Red Hat where the candidate can attempt the exam from home or any private location. The minimum requirement to take a Remote Exam is a laptop with a built-in camera, an additional camera and a 8 GB Pen-drive, a stable internet connectivity and uninterrupted power back for the duration of the exam.
The videos in following link will give you the complete details.
Anyone who has already registered for one of these exams or enrolled in one through their Red Hat Learning Subscription — Standard Edition can also choose between Remote Exam and KOALA (testing center delivery)