3CX Academy Advanced Certification | 62 Questions with 100% Correct Answers | Verified | Latest Update
Question: You can schedule daily and weekly backups, but
not monthly backups from the Management Console.
Correct answer: False
Question: Only single IPs can be entered into the Blacklist.
Correct answer: True
Question: An IP that has triggered an Anti-Hacking rule and
been blacklisted can be manually removed from the IP Blacklist before the set Blacklist Interval is reached.
Correct answer: True
Question: SIP Response Codes in the range 4xx indicate a
Request Failure.
Correct answer: True
Question: 3CX Log Files are not deleted when you restart the
3CX Services.
Correct answer: True
Question: In "Bridges" it is possible to dial external numbers
via a VoIP Provider registered on the "Remote PBX".
Correct answer: True
Question: When an established call from a Local device to an
External Number is terminated by the IP Phone, the BYE SIP message sent from the IP Phone to the 3CX server address should be seen in Wireshark.
Correct answer: True
Question: The 3CX "Global Blacklist" feature sends and
receives malicious IP Address information to/from 3CX.
Correct answer: True
Question: Secure SIP typically uses TCP or TLS as the
transport protocol, not UDP.
Correct answer: False
Question: The 3CX Event Log shows RPS requests 3CX
sends.
Correct answer: True
Question: The 3CX Web Client can only see the Presence of
one Bridge connection, even if 3CX is Bridged to multiple other 3CX systems.
Correct answer: True
Question: External RTP (Audio) ports are not considered
"Host Data" and would be restored from a backup.
Correct answer: False
Question: To maximize security, it's best practice to filter the
SIP port of 3CX with firewall ACL Rules to allow only trusted IPs to reach it.
Correct answer: True
Question: In a Master Bridge and Slave Bridge setup with
overlapping extension numbers, using a prefix is mandatory in the "Outbound Rule" used to route calls across the bridge.
Correct answer: True
Question: A SIP device is allowed 5 attempts (by default) to
authenticate successfully, after which it will be blacklisted.
Correct answer: True
Question: 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
Question: The 3CX SBC does not require any port forwarding
on the firewall at the remote location to operate correctly.
Correct answer: True
Question: 3CX Technical Support typically does not assist
with the configuration of firewall devices in front of 3CX.