Nokia Certified Network Professional – IP/MPLS Services — Question 1

Which of the following sentence about FlexGrid is false?

Answer options

• A. FlexGrid allows a more efficient channel spacing.
• B. Channels in FlexGrid systems are allocated with a granularity of 27.5 GHz.
• C. FlexGrid systems use specific sets of boards. Old generation WDM systems need to be upgraded to support FlexGrid.
• D. The FlexGrid is currently standardized by ITU-T.

Correct answer: B

Explanation

The correct answer is B because FlexGrid systems actually allocate channels using a granularity of 6.25 GHz, not 27.5 GHz. Options A, C, and D are true statements about FlexGrid's capabilities, board requirements, and standardization status.