3CX BASIC UPDATED EXAM STUDY GUIDE QUESTIONS
AND ANSWERS GRADED A+
✔✔(T/F) A "SIP Fork" is a term used when a call is forwarded to another extension
when the all is not answered within a certain time frame? - ✔✔FALSE; it is when a
single call rings at multiple endpoints.
✔✔(T/F) 3CX clients send requests for CTI to the PBX, which will then relay the request
to the IP phone. - ✔✔TBD
✔✔(T/F) PSTN gateways cannot be provisioned with 3CX, the must be manually
configured. - ✔✔TRUE
https://www.3cx.com/3cxacademy/videos/basic/configuring-pstn-gateways/
✔✔(T/F) Port preservation in NAT devices ensures that the source port of the transport
will not be changed once the IP os translated from private to public. - ✔✔TBD
✔✔(T/F) In order to be able to download updates on 3CX, access to http://3cx.com
must be allowed outbound and inbound on the firewall in front of 3CX. - ✔✔TBD
✔✔(Y/N) When you use your own FQDN and certificates during the installation process,
is it mandatory to have an internal/local DNS server? - ✔✔TBD
✔✔(T/F) Presence information for 3CX clients is also tunneled via the UDP/TCP:5090
port. - ✔✔TBD
✔✔(T/F) Before adding a PSTN gateway the firewall checker must be run and must
pass all tests. - ✔✔TBD
✔✔(T/F) A "SIP Fork" is a term used when more than one device/terminal registers to
the same extension number. - ✔✔TBD
✔✔(Y/N) Can you set the HTTP port to be TCP:5000 and the HTTPS port to be
TCP:443? - ✔✔TBD
✔✔(T/F) Port TCP/UDP:5090 needs to be forwarded inbound on the firewall in front of
3CX, for registering deskphones behind the SBC. - ✔✔TBD
✔✔(T/F) The 3CX client can run on Apple iPads? - ✔✔TRUE
✔✔(Y/N) Can you install 3CX on Windows 10x86? - ✔✔TBD
AND ANSWERS GRADED A+
✔✔(T/F) A "SIP Fork" is a term used when a call is forwarded to another extension
when the all is not answered within a certain time frame? - ✔✔FALSE; it is when a
single call rings at multiple endpoints.
✔✔(T/F) 3CX clients send requests for CTI to the PBX, which will then relay the request
to the IP phone. - ✔✔TBD
✔✔(T/F) PSTN gateways cannot be provisioned with 3CX, the must be manually
configured. - ✔✔TRUE
https://www.3cx.com/3cxacademy/videos/basic/configuring-pstn-gateways/
✔✔(T/F) Port preservation in NAT devices ensures that the source port of the transport
will not be changed once the IP os translated from private to public. - ✔✔TBD
✔✔(T/F) In order to be able to download updates on 3CX, access to http://3cx.com
must be allowed outbound and inbound on the firewall in front of 3CX. - ✔✔TBD
✔✔(Y/N) When you use your own FQDN and certificates during the installation process,
is it mandatory to have an internal/local DNS server? - ✔✔TBD
✔✔(T/F) Presence information for 3CX clients is also tunneled via the UDP/TCP:5090
port. - ✔✔TBD
✔✔(T/F) Before adding a PSTN gateway the firewall checker must be run and must
pass all tests. - ✔✔TBD
✔✔(T/F) A "SIP Fork" is a term used when more than one device/terminal registers to
the same extension number. - ✔✔TBD
✔✔(Y/N) Can you set the HTTP port to be TCP:5000 and the HTTPS port to be
TCP:443? - ✔✔TBD
✔✔(T/F) Port TCP/UDP:5090 needs to be forwarded inbound on the firewall in front of
3CX, for registering deskphones behind the SBC. - ✔✔TBD
✔✔(T/F) The 3CX client can run on Apple iPads? - ✔✔TRUE
✔✔(Y/N) Can you install 3CX on Windows 10x86? - ✔✔TBD
