I have attempted the Hdpcd Spark Exam But during the exam system got disconnected after 30 mins into the exam, it was showing an error message as " http://**************/ link might be down or moved to a different address".I have raised the issue with the proctor and from the proctor side they raised the issue. i mailed to the certification@hortonworks.com . But they are not responding . can any one suggest me what to do next ? ... View more