Which three video endpoints can you set back to factory reset by using physical button presses? (Choose three.)

The Cisco TelePresence C40 does not support factory reset via physical button presses and requires a software-based method such as the web interface or CLI to perform a reset.

The Cisco TelePresence EX90 supports a factory reset procedure initiated by a specific sequence of physical button presses on the unit, allowing hardware-level reset without requiring network or web interface access.

The Cisco TelePresence C60 must be reset through the web interface or command line; it does not provide a physical button-press mechanism for factory reset.

The Cisco TelePresence SX20 supports factory reset via physical button presses, providing administrators a hardware method to restore the device to factory defaults when software access is unavailable.

The Cisco TelePresence EX60 supports factory reset using physical button presses, consistent with the EX series design that includes accessible on-device hardware reset functionality.

The Cisco TelePresence C90 is a rack-mounted unit that does not have accessible physical reset buttons for factory reset and requires web interface or CLI access to restore factory defaults.