Hey guys one question, before the exam starts the proctor will need to talk with . . .

Davi Araújo:
hey guys one question, before the exam starts the proctor will need to talk with me via call or something or they use chat only ? this is my first time doing certifications with CNCF and my computer doesn’t have speakers, only webcam with built-in microphone

Marwan Tawashi:
They usually use the chat

Andreas Ntovliatidis:
https://docs.linuxfoundation.org/tc-docs/certification/lf-candidate-handbook/candidate-requirements

Try the hardware check here