Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies?

Which two devices can interfere with the operation of a wireless network because they operate on
similar frequencies? (Choose two.)

A.
toaster

B.
IP phone

C.
AM radio

D.
cordless phone

E.
microwave oven

F.
copier

Explanation:
The microwave and cordless phone in the 2.4GHz spectrum band will interfere with the operation

of a wireless network.