CCIE Certification Exam Question:

How to enable SONET payload scrambling on a POS interface, use what configuration
command line?
A. pos scramble-atm in the global
B. pos scramble atm in the global
C. pos scramble-atm in the interface
D. pos scramble atm in the interface

C:pos scramble-atm in the interface

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Explain ITU-T G.692 standard makes what recommendation? A. Optical Interfaces for Multi-channel Systems with Optical Amplifiers B. Characteristics of a Dispersion-Shifted Single-Mode Fiber C. Characteristics of Optical Fiber Amplifier Devices D. Transmission characteristics of Passive Optical Components	Which two operational states can PVCs be in? (multiple answer) A. Data transfer B. D C. Shut