3XC BASIC CERTIFICATION
ACTUAL EXAM WITH ALL 50
QUESTIONS AND CORRECT
DETAILED ANSWERS||2025
3CX requires a ... in order to be setup
✔✔✔ANSWER➡➡FQDN
NAT translates ... IPv4 IP addresses to ... private IP adresses
✔✔✔ANSWER➡➡Public, private
NAT can also be used to limited who can access the server using?
✔✔✔ANSWER➡➡ACL
IPv4 and ... are supported by 3CX ✔✔✔ANSWER➡➡IPv6
IPv6 ... (NAT) is not supported by 3CX
✔✔✔ANSWER➡➡Masquerading
If IPv6 is used ... rules are needed
✔✔✔ANSWER➡➡Firewall
3CX PBX requires ... NAT ✔✔✔ANSWER➡➡Full Cone
, SIP/SDP defines the port not the ...
✔✔✔ANSWER➡➡Transport header
It is recommended to ... SIP ALG
✔✔✔ANSWER➡➡Disable
The default SIP ports are ... UDP/TCP
✔✔✔ANSWER➡➡5060
What NAT port range does 3CX use for audio?
✔✔✔ANSWER➡➡9000 - 10999 UDP
If you want to use the 3CX app or use an SBC you will need to
open the PBX tunnel port. The default TCP/UDP port is?
✔✔✔ANSWER➡➡5090
If you want to use the 3CX app or use an SBC you will need to
open the HTTPS port. The default TCP port is?
✔✔✔ANSWER➡➡5001
To enable the use of 3CX webmeeting you will need to allow
outbound traffic to ...
✔✔✔ANSWER➡➡webmeeting.3cx.net:443
ACTUAL EXAM WITH ALL 50
QUESTIONS AND CORRECT
DETAILED ANSWERS||2025
3CX requires a ... in order to be setup
✔✔✔ANSWER➡➡FQDN
NAT translates ... IPv4 IP addresses to ... private IP adresses
✔✔✔ANSWER➡➡Public, private
NAT can also be used to limited who can access the server using?
✔✔✔ANSWER➡➡ACL
IPv4 and ... are supported by 3CX ✔✔✔ANSWER➡➡IPv6
IPv6 ... (NAT) is not supported by 3CX
✔✔✔ANSWER➡➡Masquerading
If IPv6 is used ... rules are needed
✔✔✔ANSWER➡➡Firewall
3CX PBX requires ... NAT ✔✔✔ANSWER➡➡Full Cone
, SIP/SDP defines the port not the ...
✔✔✔ANSWER➡➡Transport header
It is recommended to ... SIP ALG
✔✔✔ANSWER➡➡Disable
The default SIP ports are ... UDP/TCP
✔✔✔ANSWER➡➡5060
What NAT port range does 3CX use for audio?
✔✔✔ANSWER➡➡9000 - 10999 UDP
If you want to use the 3CX app or use an SBC you will need to
open the PBX tunnel port. The default TCP/UDP port is?
✔✔✔ANSWER➡➡5090
If you want to use the 3CX app or use an SBC you will need to
open the HTTPS port. The default TCP port is?
✔✔✔ANSWER➡➡5001
To enable the use of 3CX webmeeting you will need to allow
outbound traffic to ...
✔✔✔ANSWER➡➡webmeeting.3cx.net:443