Before upgrading firmware, which of the following should be checked?

Before upgrading firmware, which of the following should be checked?
A . Verify that the Video Management Software (VMS) supports the latest firmware version
B . Verify that both rack mounted and standalone servers support the latest firmware version
C . Verify that the IEEE 802.3af compliant PoE switch supports the latest firmware version
D . Verify that the SD card is properly ejected before the upgrade is started

View Answer

Answer: A