3CX Basic Certification Practice Exam Study
Guide | Questions & Verified Answers |
2026/2027
Question: True or False: Configuring a remote extension in STUN mode requires
you to only port forward/NAT the SIP Port (Default 5060 UDP/TCP) on your
Firewall - correct answer-Answer: False
Question: True or False: You can upload MP3 files Digital Receptionists to be used
as custom prompts - correct answer-Answer: False
Question: True or False: When remote, the 3CX App only needs to have Tunnel
(default UDP/TCP:5090) and HTTPS (default TCP:5001) ports forwarded/NATed on
your Firewall to provision and operate correctly. - correct answer-Answer: True
Question: True or False: The default Voicemail PIN length is 4 digits - correct
answer-Answer: True
Question: Can you provision and use remote extensions when using a "Standard
Edition" license key? - correct answer-Answer: No
Guide | Questions & Verified Answers |
2026/2027
Question: True or False: Configuring a remote extension in STUN mode requires
you to only port forward/NAT the SIP Port (Default 5060 UDP/TCP) on your
Firewall - correct answer-Answer: False
Question: True or False: You can upload MP3 files Digital Receptionists to be used
as custom prompts - correct answer-Answer: False
Question: True or False: When remote, the 3CX App only needs to have Tunnel
(default UDP/TCP:5090) and HTTPS (default TCP:5001) ports forwarded/NATed on
your Firewall to provision and operate correctly. - correct answer-Answer: True
Question: True or False: The default Voicemail PIN length is 4 digits - correct
answer-Answer: True
Question: Can you provision and use remote extensions when using a "Standard
Edition" license key? - correct answer-Answer: No