3CX Basic Midterm Exam Study Guide:
Practice Questions with Answers and
Evidence-Based 2026/2027 Graded A+
An IP phone on network A (for example, 192.168.0.0/24) is
started and made known for presence via multicast. Will 3CX
display this device on the PHONES page of the 3CX
Management Console if it is on Network B (for example,
192.168.1.0/24)? - ✔✔ANSWER ✔✔-NO
The installer configures the operating system time zone
according to what you selected during the Linux and Windows
wizard. - ✔✔ANSWER ✔✔-T
,The 3CX Client can be installed on computers running Windows,
MacOS, Android and iOS operating systems - ✔✔ANSWER ✔✔-
T
You must set up your own PUSH account to use the 3CX Client
on Android. - ✔✔ANSWER ✔✔-NO
A DIGITAL RECEPTIONIST can be configured to route calls based
on caller voice input. - ✔✔ANSWER ✔✔-F
Digital Receptionists have the ability to smartly dial extensions
through the CALL BY NAME functionality, where the first 3
letters of the last name must be entered on the phones
keyboard - ✔✔ANSWER ✔✔-T
All Emergency Numbers must be configured in the 3CX
Management Console - ✔✔ANSWER ✔✔-T
A supported IP phone can be configured manually by
completing each configuration on the web interface of the
device, one by one. Is the device still covered by 3CX Support
when problems occur with manual configuration? -
✔✔ANSWER ✔✔-NO
,When adding VoIP providers, you should ensure that firewall
verification has run before configuration, without any reported
errors - ✔✔ANSWER ✔✔-T
SIP ALG must be disabled on your firewall as it
UNCONTROLLABLY alters the content within packets that are
sent/received - ✔✔ANSWER ✔✔-T
A single digital receptionist can handle multiple calls at the
same time - ✔✔ANSWER ✔✔-T
Using VoIP providers only requires that the forwarded/NAT
ports on your firewall be SIP port (default 5060 UDP/TCP) and
audio ports (default 9000-10999 UDP). - ✔✔ANSWER ✔✔-T
Can the 3CX control unit be installed, activated and operated
without internet access? - ✔✔ANSWER ✔✔-NO
The default length of the Voicemail PIN is 3 digits - ✔✔ANSWER
✔✔-F
, Take a look at the edit comparison page
(https://www.3cx.com/ordering/pricing/) and answer the
following question: You want to test how two 3CX PBX
installations can be joined. One license is a 3CX FREE EDITION
and the other a 3CX ENTERPRISE EDITION. Can these editions
be connected via a Bridge? - ✔✔ANSWER ✔✔-NO
While the caller is connected to a Digital Receptionist he can
dial an external number and connect directly to this number -
✔✔ANSWER ✔✔-F
3CX can update the firmware of supported IP phones and
LEGACY - ✔✔ANSWER ✔✔-F
Can 3CX be installed on Linux Debian 7 using KVM as a
Hypervisor platform? - ✔✔ANSWER ✔✔-NO
The 3CX Web Client cannot remotely control 3CX Clients -
✔✔ANSWER ✔✔-F
The Windows 3CX App can also be provisioned using the QR
code. - ✔✔ANSWER ✔✔-T
Practice Questions with Answers and
Evidence-Based 2026/2027 Graded A+
An IP phone on network A (for example, 192.168.0.0/24) is
started and made known for presence via multicast. Will 3CX
display this device on the PHONES page of the 3CX
Management Console if it is on Network B (for example,
192.168.1.0/24)? - ✔✔ANSWER ✔✔-NO
The installer configures the operating system time zone
according to what you selected during the Linux and Windows
wizard. - ✔✔ANSWER ✔✔-T
,The 3CX Client can be installed on computers running Windows,
MacOS, Android and iOS operating systems - ✔✔ANSWER ✔✔-
T
You must set up your own PUSH account to use the 3CX Client
on Android. - ✔✔ANSWER ✔✔-NO
A DIGITAL RECEPTIONIST can be configured to route calls based
on caller voice input. - ✔✔ANSWER ✔✔-F
Digital Receptionists have the ability to smartly dial extensions
through the CALL BY NAME functionality, where the first 3
letters of the last name must be entered on the phones
keyboard - ✔✔ANSWER ✔✔-T
All Emergency Numbers must be configured in the 3CX
Management Console - ✔✔ANSWER ✔✔-T
A supported IP phone can be configured manually by
completing each configuration on the web interface of the
device, one by one. Is the device still covered by 3CX Support
when problems occur with manual configuration? -
✔✔ANSWER ✔✔-NO
,When adding VoIP providers, you should ensure that firewall
verification has run before configuration, without any reported
errors - ✔✔ANSWER ✔✔-T
SIP ALG must be disabled on your firewall as it
UNCONTROLLABLY alters the content within packets that are
sent/received - ✔✔ANSWER ✔✔-T
A single digital receptionist can handle multiple calls at the
same time - ✔✔ANSWER ✔✔-T
Using VoIP providers only requires that the forwarded/NAT
ports on your firewall be SIP port (default 5060 UDP/TCP) and
audio ports (default 9000-10999 UDP). - ✔✔ANSWER ✔✔-T
Can the 3CX control unit be installed, activated and operated
without internet access? - ✔✔ANSWER ✔✔-NO
The default length of the Voicemail PIN is 3 digits - ✔✔ANSWER
✔✔-F
, Take a look at the edit comparison page
(https://www.3cx.com/ordering/pricing/) and answer the
following question: You want to test how two 3CX PBX
installations can be joined. One license is a 3CX FREE EDITION
and the other a 3CX ENTERPRISE EDITION. Can these editions
be connected via a Bridge? - ✔✔ANSWER ✔✔-NO
While the caller is connected to a Digital Receptionist he can
dial an external number and connect directly to this number -
✔✔ANSWER ✔✔-F
3CX can update the firmware of supported IP phones and
LEGACY - ✔✔ANSWER ✔✔-F
Can 3CX be installed on Linux Debian 7 using KVM as a
Hypervisor platform? - ✔✔ANSWER ✔✔-NO
The 3CX Web Client cannot remotely control 3CX Clients -
✔✔ANSWER ✔✔-F
The Windows 3CX App can also be provisioned using the QR
code. - ✔✔ANSWER ✔✔-T
