Which two statements are true regarding switch port modes? (Choose two.)

Which two statements are true regarding switch port modes? (Choose two.)

A.
Access mode is the default mode for all ports.

B.
Trunk mode is the default mode for all ports.

C.
In access mode, ports receive and transmit untagged Ethernet frames by default.

D.
In trunk mode, ports receive and transmit untagged Ethernet frames by default.