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Question 1

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In the case of MSP, you need to set the MSP protocol ID of each NE. To ensure that each ID is unique, you are advised to set the MSP protocol ID to the same value as the NE ID.

Question 2

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In the frame structure of SDH signals, there are abundant overhead bytes used for operation, administration, and maintenance (OAM). The overhead bytes account for ( ) of all bits in the entire frame

Question 3

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Which of the following bridges is used to forward data based on the MAC address and VLAN ID carried in data?

Question 4

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In the 2.5G MSP ring consisting of four MSTP sites, when a protection switching occurs, which of the following statements about the alarm reporting is correct?

Question 5

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Which of following are the configuration modes of new NEs? (Multiple Choice)

Question 6

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MSP is a network-level protection scheme. The MSP does not directly protect a service, and the MSP switching and restoration are not affected even if there is no service on the MSP ring.

Question 7

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Which of the following is the frame structure of STM-16?

Question 8

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

Question 9

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The pointer is used for alignment and indicates the start position of VC-n in the corresponding AU or TU frame. In this way, the receive end can correctly remove the corresponding VC from the STM-N,

Question 10

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During service configuration, there are two timeslot modes. Huawei uses the interleaved timeslot mode by default.

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Related questions

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.

OTM nr.m consists of a maximum of 'n' optical multiplexing channels and does not support non-channel-associated overheads. The letter 'r' indicates function reduction.

Both PDH and SDH have globally unified standards.

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,

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

When a bridge uses the IVL learning mode, the entry in the MAC address table is created according to the source MAC address and source port of the data frame. This entry is valid for all VLANs.

Question 141 - H31-311 discussion

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When an optical fiber between node A and node B is broken, the FIU on node B detects the OTS_LOS alarm and inserts the OTS_BDI alarm to node

A.

The FIU on node A reports the OTS_BDI alarm. The line board on the downstream C node reports the OCh_SSF alarm.

B.

TRUE

C.

FALSE

Show Answer

asked 18/09/2024

Mehr Khan

37 questions

User

Your answer: A B C

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