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QUESTION 50
What protection method is used in 4F MS-SPRing networks?
A. Each fiber has half of its capacity reserved for protection.
B. Two fibers carry their full capacities while the other two fibers are reserved for protection.
C. The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality.
D. The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.

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Exam A
QUESTION 1
Which timing mode is most appropriate for an ONS 15454 that has lost its BITS-1 and optical references?
A. line timing
B. loop timing
C. internal timing
D. through timing
E. external timing

Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 2
With R4.0, how many total DCC-R tunnel connections can each ONS 15454 support using the TCC+ card?

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