Which of the following is used to serve as an emergency backup line to troubleshoot a
broadband connection on many routers?
A.
DSL
B.
POTS
C.
VDSL
D.
Smart jack
Which of the following is used to serve as an emergency backup line to troubleshoot a broadband connection on many routers?
Which of the following is used to serve as an emergency backup line to troubleshoot a
broadband connection on many routers?