3CX BASIC CERTIFICATION MOCK EXAM
WITH ANSWER RATIONALES 2026
◉ In general, calls from a Queue to an IP phone will never leave a
missed call notification.
Answer: True
◉ On an existing 3CX installation, if you want to change the public
FQDN but keep the same license key, you must take a backup with all
options except "Include License Key & FQDN," release the FQDN
from the license key, reinstall 3CX, restore the backup and enter the
new FQDN with the old license key.
Answer: True
◉ When custom prompts are used during the announcement of the
Digital Receptionist, the prompt must be in the format: MP3,
encoded in PCM, 8 kHz, 16 bit, mono.
Answer: False
◉ Can a range of dates be defined as a Holiday?
Answer: Yes
, ◉ All extensions are added to the "DEFAULT" group (which can be
renamed) upon creation.
Answer: True
◉ STUN is a method enabling deskphones to discover their public IP
address and port mapping of their internal SIP port.
Answer: True
◉ In order to upgrade from V14 latest Service Pack to V15, the
correct procedure is: Full Backup of V14 -> Uninstall V14 -> Install
V15 -> during the installation restore V14 backup -> finish the V15
installation.
Answer: True
◉ Extension 100 is an agent of the two Queues. 3CX is licensed with
a "Standard Edition" license. Can extension 100, by any means, only
log out from Queue A as an active agent but not from Queue B?
Answer: No
◉ The default backup folder set during the installation in Windows
is C:\ProgramData\3CX\Instance1\Data\Backups\. If you uninstall
3CX, is this folder deleted without warning along with all its
contents?
Answer: Yes
WITH ANSWER RATIONALES 2026
◉ In general, calls from a Queue to an IP phone will never leave a
missed call notification.
Answer: True
◉ On an existing 3CX installation, if you want to change the public
FQDN but keep the same license key, you must take a backup with all
options except "Include License Key & FQDN," release the FQDN
from the license key, reinstall 3CX, restore the backup and enter the
new FQDN with the old license key.
Answer: True
◉ When custom prompts are used during the announcement of the
Digital Receptionist, the prompt must be in the format: MP3,
encoded in PCM, 8 kHz, 16 bit, mono.
Answer: False
◉ Can a range of dates be defined as a Holiday?
Answer: Yes
, ◉ All extensions are added to the "DEFAULT" group (which can be
renamed) upon creation.
Answer: True
◉ STUN is a method enabling deskphones to discover their public IP
address and port mapping of their internal SIP port.
Answer: True
◉ In order to upgrade from V14 latest Service Pack to V15, the
correct procedure is: Full Backup of V14 -> Uninstall V14 -> Install
V15 -> during the installation restore V14 backup -> finish the V15
installation.
Answer: True
◉ Extension 100 is an agent of the two Queues. 3CX is licensed with
a "Standard Edition" license. Can extension 100, by any means, only
log out from Queue A as an active agent but not from Queue B?
Answer: No
◉ The default backup folder set during the installation in Windows
is C:\ProgramData\3CX\Instance1\Data\Backups\. If you uninstall
3CX, is this folder deleted without warning along with all its
contents?
Answer: Yes
