3CX Advanced, Basic Certification Questions With Comprehensive Answers

3CX Advanced, Basic Certification Questions

A SIP device is allowed 5 attempts (by default) to authenticate

successfully, after which it will be blacklisted. - Correct Answer

✔️✔️False.


The default HTTPS port (TCP:5001) needs to be forwarded on the

network firewall for presence to work, not the HTTP port. - Correct

Answer ✔️✔️False.


A SIP device is allowed 5 attempts (by default) to authenticate

successfully, after which it will be blacklisted. - Correct Answer

✔️✔️True.


The 3CX SBC does not require any port forwarding on the firewall at

the remote location to operate correctly. - Correct Answer ✔

️✔️True.

, 3CX Technical Support typically does not assist with the configuration

of firewall devices in front of 3CX. - Correct Answer ✔️✔

️False.


To provision a supported IP phone behind the 3CX SBC, the HTTPS

port (TCP:5001) doesn't need to be forwarded on the firewall in front

of 3CX. - Correct Answer ✔️✔️True.


The Tunnel Port can be changed after installation, whereas the SIP

Port cannot. - Correct Answer ✔️✔️True.


When an IP has been Blacklisted with a "Deny" Action, it will remain

Blacklisted for the duration of the Blacklist Interval, not indefinitely. -

Correct Answer ✔️✔️False.


3CX typically requires internet access for installation, activation, and

certain operations. - Correct Answer ✔️✔️False.


The default Secure SIP port 3CX uses is 5061. - Correct Answer

✔️✔️True.