Telephone companiesprovidetwotypes of analog services: analog _______services andanalog _____services.
A)
switched; in-band
B)
out-of-band; in-band
C)
switched; leased
D)
leased; out-of-band
A)
switched; in-band
B)
out-of-band; in-band
C)
switched; leased
D)
leased; out-of-band