Which of the following WAN technologies requires fiber optics?
A.
POTS
B.
SONET
C.
ADSL
D.
PSTN
Which of the following WAN technologies requires fiber optics?
Which of the following WAN technologies requires fiber optics?
Which of the following WAN technologies requires fiber optics?
Which of the following WAN technologies requires fiber optics?
A.
POTS
B.
SONET
C.
ADSL
D.
PSTN