Go back to 350-029 - CCIE Service Provider Written Exam

Question :-

Which three of these are optical channel data unit (ODU) overhead fields? (Choose three)
general communication channel 0 (GCC0)
section monitoring
reserved (RES)
general communication channels 1 and 2 (GCC1 GCC2)
tandem connection monitoring activation deactivation (TCM ACT)

Want to practice for 350-029 - CCIE Service Provider Written Exam ? Click here.