Which of the following statements are CORRECT about the configuration file backup for U1900 series unified gateway? (Multiple Choice)

It is recommended that the configuration file be backed up once every week during off-peak hours (for example, 2:004:00 am).
The configuration file can be exported via web management page.
To ensure system stability, it is recommended that you back up the configuration file each time before the version upgrade.
Auto backup is supported.

Answer(s): A,C,D

Which of the following statements is CORRECT about FXO and FXS ports?

FXO port on the PBX connects to the POTS phone.
An FXS port can connect to another FXS port.
An office has deployed an IAD to provide call services for 10 employees. In this scenario, the FXS port on the IAD can be used for PSTN outgoing calls.
The phone line of a POTS phone connects to an FXO port.

Answer(s): D