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Forced switching, fiber cut switching, manual switching, and exercise switching are in the descending order of priority.
Which of the following is the multiplexing mode of SDH?
The last 256 columns in the OTN frame structure are FEC areas, which are used for forward error correction.
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MAC loopback and PHY loopback are used for fault locating. When the MAC loopback is set to an inloop, you can set the PHY loopback according to the actual situation.
On the NMS, the NE performance monitoring time is set to () minutes and () hours,
When the ACT indicator of an SDH board is off, it indicates that this board has a hardware fault and cannot be used,
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Question 137 - H31-311 discussion

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After PDH services are configured on a per-NE basis, a complete trail cannot be searched out. Which of the following are possible causes? (Multiple Choice)

A.
Tributary board selection is incorrect.
Answers
A.
Tributary board selection is incorrect.
B.
Line board selection is incorrect.
Answers
B.
Line board selection is incorrect.
C.
Timeslot configuration is incorrect.
Answers
C.
Timeslot configuration is incorrect.
D.
Pass-through is not configured at intermediate sites.
Answers
D.
Pass-through is not configured at intermediate sites.
Suggested answer: B, C, D
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asked 18/09/2024
Linda Jannina Sourander
38 questions
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