Cisco
350-029 · Question #264
In optical channel transport unit overhead (OTU OH), what are general communication channels 1 and 2 (GCC1/GCC2) used for?
The correct answer is E. General communication channels 1 and 2 (GCC1/GCC2) do not belong to OTU OH. The OTU overhead consists of three bytes for section monitoring (SM), a two-byte general communications channel (GCC0), and two bytes reserved for future international standardization.
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Question
In optical channel transport unit overhead (OTU OH), what are general communication channels 1 and 2 (GCC1/GCC2) used for?
Options
- Afor trail trace identification
- Bas the backward defect indicator
- Cto transmit information between OTU termination points
- Dto extend command and management functions over several frames
- EGeneral communication channels 1 and 2 (GCC1/GCC2) do not belong to OTU OH.
How the community answered
(39 responses)- A3% (1)
- B3% (1)
- C10% (4)
- D8% (3)
- E77% (30)
Explanation
The OTU overhead consists of three bytes for section monitoring (SM), a two-byte general communications channel (GCC0), and two bytes reserved for future international standardization.
Topics
#OTU overhead#GCC#OTN#optical transport
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