The connection using fiber optics from a phone company’s branch office to local customers is
which of the following?

A.
new loop

B.
local loop

C.
loopback

D.
indigenous loop

Explanation:
In telecommunications Telecommunication the local loop is the wiring between the
central office and the customer’s premises demarcation point. The telephony local loop connection
is typically a copper twisted pair carrying current from the central office to the customer premises
and back again. Individual local loop telephone lines are connected to the local central office or to

a remote concentrator.
Local loop connections can be used to carry a range of technologies, including:
Analog Voice
ISDN
DSL