3CX ADVANCED CERTIFICATION EXAM LATEST (2024) ACTUAL EXAM
WITH FULLY DETAILED 100 + QUESTIONS AND CORRECT ANSWERS
GET A+ PASS.
Your 3CX has only one SIP Trunk and receives a call from number 8135791691. If
you have a "Inbound CID Reformatting" rule on the Trunk with "Source Pattern"
813(...)(.*) and "Replace Pattern" \1\2, the extension that receives the call will see
"5791691" as the caller ID on its display. - CORRECT ANSWER-True
In the criteria of the "Outbound Rules", "Calls from Extension(s)" having comma
separated values will allow multiple extension ranges to be defined - CORRECT
ANSWER-True
The Virtual Extension of the slave must match the master side virtual extension
number - CORRECT ANSWER-True
For extensions that are registered over multiple site-to-site VPNs, by default 3CX
delivers the audio between phones if they are on different subnets. - CORRECT
ANSWER-False
On outbound calls to external numbers, 3CX will process "Outbound Rules" in a
"Best Matching" way, depending on how many of the criteria match. - CORRECT
ANSWER-False
Wireshark can - without any additional Plugins Decode all Codecs including
G711A, G711U, GSM, G729, G726 - CORRECT ANSWER-False
STUN extensions can be configured to connect to the tunnel port of 3CX instead of
the SIP port for more security. - CORRECT ANSWER-False
The log files of 3CX are never cleaned even when you restart the 3CX Services -
CORRECT ANSWER-False
, Once Secure SIP has been configured in 3CX, Secure SIP certificates will need to
be deployed manually in phones and softphones OS so that they can communicate.
- CORRECT ANSWER-False
Remote extensions may be provisioned using the HTTP or HTTPS URLs -
CORRECT ANSWER-False
The default Voicemail PIN of an extension consist of 4 random alphanumerical
characters. - CORRECT ANSWER-False
When 3CX has been installed without a FQDN from 3CX and in split DNS mode,
the DNS server must not be installed on the same machine as the phone system. -
CORRECT ANSWER-True
Your Local IP Phone loses the registration to 3CX and you want do troubleshoot
the issue. You should start a Wireshark Capture on the 3CX Server, reboot the
phone, and then apply the Filter sip.Cseq.Method==REGISTER in order to see if
registrations are reaching 3CX - CORRECT ANSWER-True
Your 3CX has only one SIP Trunk and receives a call from number 422033272020
and you want it to be presented on the extension display as +44272020. You can
do this with a "Inbound CID Reformatting" rule on the Trunk with "Source
Pattern" 44(..)(..)(.*) and "Replace Pattern" +44\3. - CORRECT ANSWER-True
When selecting the option "I need a 3CX FQDN" an internal DNS is not
mandatory - CORRECT ANSWER-True
The order of "Inbound Rules" is not important when you have DID and CID
"Inbound Rules", CIDs always have higher priority. - CORRECT ANSWER-False
You have a Master Bridge with 3-digit extensions 1xxx and a Slave Bridge with 4-
digit extensions 2xxx. In the "Outbound Rules" you use to rote calls across the
bridge, using a prefix is mandatory. - CORRECT ANSWER-False
WITH FULLY DETAILED 100 + QUESTIONS AND CORRECT ANSWERS
GET A+ PASS.
Your 3CX has only one SIP Trunk and receives a call from number 8135791691. If
you have a "Inbound CID Reformatting" rule on the Trunk with "Source Pattern"
813(...)(.*) and "Replace Pattern" \1\2, the extension that receives the call will see
"5791691" as the caller ID on its display. - CORRECT ANSWER-True
In the criteria of the "Outbound Rules", "Calls from Extension(s)" having comma
separated values will allow multiple extension ranges to be defined - CORRECT
ANSWER-True
The Virtual Extension of the slave must match the master side virtual extension
number - CORRECT ANSWER-True
For extensions that are registered over multiple site-to-site VPNs, by default 3CX
delivers the audio between phones if they are on different subnets. - CORRECT
ANSWER-False
On outbound calls to external numbers, 3CX will process "Outbound Rules" in a
"Best Matching" way, depending on how many of the criteria match. - CORRECT
ANSWER-False
Wireshark can - without any additional Plugins Decode all Codecs including
G711A, G711U, GSM, G729, G726 - CORRECT ANSWER-False
STUN extensions can be configured to connect to the tunnel port of 3CX instead of
the SIP port for more security. - CORRECT ANSWER-False
The log files of 3CX are never cleaned even when you restart the 3CX Services -
CORRECT ANSWER-False
, Once Secure SIP has been configured in 3CX, Secure SIP certificates will need to
be deployed manually in phones and softphones OS so that they can communicate.
- CORRECT ANSWER-False
Remote extensions may be provisioned using the HTTP or HTTPS URLs -
CORRECT ANSWER-False
The default Voicemail PIN of an extension consist of 4 random alphanumerical
characters. - CORRECT ANSWER-False
When 3CX has been installed without a FQDN from 3CX and in split DNS mode,
the DNS server must not be installed on the same machine as the phone system. -
CORRECT ANSWER-True
Your Local IP Phone loses the registration to 3CX and you want do troubleshoot
the issue. You should start a Wireshark Capture on the 3CX Server, reboot the
phone, and then apply the Filter sip.Cseq.Method==REGISTER in order to see if
registrations are reaching 3CX - CORRECT ANSWER-True
Your 3CX has only one SIP Trunk and receives a call from number 422033272020
and you want it to be presented on the extension display as +44272020. You can
do this with a "Inbound CID Reformatting" rule on the Trunk with "Source
Pattern" 44(..)(..)(.*) and "Replace Pattern" +44\3. - CORRECT ANSWER-True
When selecting the option "I need a 3CX FQDN" an internal DNS is not
mandatory - CORRECT ANSWER-True
The order of "Inbound Rules" is not important when you have DID and CID
"Inbound Rules", CIDs always have higher priority. - CORRECT ANSWER-False
You have a Master Bridge with 3-digit extensions 1xxx and a Slave Bridge with 4-
digit extensions 2xxx. In the "Outbound Rules" you use to rote calls across the
bridge, using a prefix is mandatory. - CORRECT ANSWER-False
