3CX BASIC CERTIFICATION EXAM 2023-2024 ACTUAL
EXAM 100 QUESTIONS AND CORRECT DETAILED
ANSWERS|AGRADE||NEWEST UPDATE
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
3CX Webmeeting requires that the HTTPS Port is open for TCP traffic,
which port is this? – ANSWER- 5001
Port … TCP is used to provision IP phones – ANSWER- 5001
To perform remote configuration of the PBX you will need to allow
inbound traffic on port … TCP for the duration of the setup. – ANSWER5015