Which three characteristics define a touchless ROADM? (Choose three.)
A. colorless
B. fixed grid
C. omnidirectional or directionless
D. contentionless
E. multidegree
F. two-degree
Which three characteristics define a touchless ROADM? (Choose three.)
A. colorless
B. fixed grid
C. omnidirectional or directionless
D. contentionless
E. multidegree
F. two-degree