OTN — OTU, ODU, OCh framing — Quiz

Question 1 of 3

Order from innermost (client-facing) to outermost (fiber-facing).

1. OPU↑↓
2. OCh↑↓
3. OTU↑↓
4. ODU↑↓

Question 2 of 3

Which OTU rate carries a 100 GbE client?

Question 3 of 3

What is the main reason OTN adds ~7% (or more) overhead to the raw client bitrate?