单选题New service from the telephone company is delivered over fiber, but the technician does not have a fiber module for the router. Which of the following would remedy this issue?（）A OTDRB Media converterC CSU/DSUD Fiber repeater
题目
单选题
New service from the telephone company is delivered over fiber, but the technician does not have a fiber module for the router. Which of the following would remedy this issue?（）
A
OTDR
B
Media converter
C
CSU/DSU
D
Fiber repeater