Online Access Free H31-311 Exam Questions

Which of the following ITU-T recommendations defines the OTN frame structure?

• A.G.975
• B.G.709
• C.G.694
• D.G.652

Which of the following is the frame whose VC-4 J1 byte is indicated by the current frame's AU pointer?

• A.Current frame
• B.None of the above
• C.Previous frame
• D.Next frame

The clock unit can access an external clock source as the timing signal source of the system only through the external clock interface. In addition, it can output the processed clock and provide the clock source for other devices that require timing.

• A.FALSE
• B.TRUE

The interval between two adjacent pointer justification events is at least ( ) frames.

• A.4
• B.2
• C.3
• D.5

Optical fiber loss includes the bending loss, absorption loss, and scattering loss.

• A.FALSE
• B.TRUE