The interviewer is rushing with his questions and does not wait for an answer. He did not give enough time to crack the question, moreover, the person who typed a question in the chat discourages to think and moves on. The interview is completed in less than 25 minutes. I received an email after 2 days ... At this time, we have not selected you to move forward for this role, but certainly appreciate the time you put towards Ciena and the recruitment process.