3CX BASIC EXAM QUESTIONS AND
ANSWERS
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)?
NO
The installer configures the operating system time zone according to what you
selected during the Linux and Windows wizard.
T
The 3CX Client can be installed on computers running Windows, MacOS, Android
and iOS operating systems
T
You must set up your own PUSH account to use the 3CX Client on Android.
NO
A DIGITAL RECEPTIONIST can be configured to route calls based on caller voice
input.
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
T
All Emergency Numbers must be configured in the 3CX Management Console
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?
NO
When adding VoIP providers, you should ensure that firewall verification has run
before configuration, without any reported errors
T
SIP ALG must be disabled on your firewall as it UNCONTROLLABLY alters the
content within packets that are sent/received
T
A single digital receptionist can handle multiple calls at the same time
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).
T
Can the 3CX control unit be installed, activated and operated without internet
access?
NO
, The default length of the Voicemail PIN is 3 digits
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?
NO
While the caller is connected to a Digital Receptionist he can dial an external
number and connect directly to this number
F
3CX can update the firmware of supported IP phones and LEGACY
F
Can 3CX be installed on Linux Debian 7 using KVM as a Hypervisor platform?
NO
The 3CX Web Client cannot remotely control 3CX Clients
F
The Windows 3CX App can also be provisioned using the QR code.
T
Provisioning is a term used, among other things, when IP phones upload a
predefined configuration file
T
3CX can send a notification to the administrator when the Voicemail disk space
quota is reached.
T
When using the 3CX Web Client, a user can remotely control both Supported IP
Phones and 3CX Applications
T
Before you can run the 3CX Web Configuration Wizard remotely, you must have
tcp HTTP port 5015 open on the Firewall.
T
The QR code can only be found in the 3CX Web Client and in the Welcome Email
F
The 3CX Application for Windows is compatible with Windows XP
F
For production use, is it recommended to run 3CX Central over a dynamic public
IP address?
NO
When calling a Paging Group, audio only flows from the caller to the members of
the Paging Group (one to various members)
T
When remote, the 3CX Application only needs to have Tunnel ports (default UDP /
TCP: 5090) and HTTPS (default TCP: 5001) forwarded / NAT on its Firewall to
provision and operate correctly
T
The PRO license key offers 5 ringing strategies for Ring Groups, while the Free
license offers only 2.
ANSWERS
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)?
NO
The installer configures the operating system time zone according to what you
selected during the Linux and Windows wizard.
T
The 3CX Client can be installed on computers running Windows, MacOS, Android
and iOS operating systems
T
You must set up your own PUSH account to use the 3CX Client on Android.
NO
A DIGITAL RECEPTIONIST can be configured to route calls based on caller voice
input.
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
T
All Emergency Numbers must be configured in the 3CX Management Console
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?
NO
When adding VoIP providers, you should ensure that firewall verification has run
before configuration, without any reported errors
T
SIP ALG must be disabled on your firewall as it UNCONTROLLABLY alters the
content within packets that are sent/received
T
A single digital receptionist can handle multiple calls at the same time
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).
T
Can the 3CX control unit be installed, activated and operated without internet
access?
NO
, The default length of the Voicemail PIN is 3 digits
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?
NO
While the caller is connected to a Digital Receptionist he can dial an external
number and connect directly to this number
F
3CX can update the firmware of supported IP phones and LEGACY
F
Can 3CX be installed on Linux Debian 7 using KVM as a Hypervisor platform?
NO
The 3CX Web Client cannot remotely control 3CX Clients
F
The Windows 3CX App can also be provisioned using the QR code.
T
Provisioning is a term used, among other things, when IP phones upload a
predefined configuration file
T
3CX can send a notification to the administrator when the Voicemail disk space
quota is reached.
T
When using the 3CX Web Client, a user can remotely control both Supported IP
Phones and 3CX Applications
T
Before you can run the 3CX Web Configuration Wizard remotely, you must have
tcp HTTP port 5015 open on the Firewall.
T
The QR code can only be found in the 3CX Web Client and in the Welcome Email
F
The 3CX Application for Windows is compatible with Windows XP
F
For production use, is it recommended to run 3CX Central over a dynamic public
IP address?
NO
When calling a Paging Group, audio only flows from the caller to the members of
the Paging Group (one to various members)
T
When remote, the 3CX Application only needs to have Tunnel ports (default UDP /
TCP: 5090) and HTTPS (default TCP: 5001) forwarded / NAT on its Firewall to
provision and operate correctly
T
The PRO license key offers 5 ringing strategies for Ring Groups, while the Free
license offers only 2.
