3CX BASIC CERTIFICATION EXAM 2026-2027 100 QUESTIONS AND CORRECT DETAILED ANSWERS NEWEST UPDATE

3CX BASIC CERTIFICATION EXAM 2026-2027

EXAM 100 QUESTIONS AND CORRECT DETAILED

ANSWERS 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