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Huawei H31-311 Practice Test - Questions Answers, Page 6

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List of questions

Question 51

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OChr means that the electrical supervisory technology is used.

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Question 52

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For 100G (112 Gbit/s) signals, the actual data baud rate is only 28G baud.

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Question 53

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The interval between two adjacent pointer justification events is at least ( ) frames.

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Question 54

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When bit errors are detected in the B2 byte, which of the following alarms is reported by the peer end?

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Question 55

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Which of the following is the functional unit that provides high-speed signal interfaces and processes corresponding signals?

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Question 56

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Which of the following are the main advantages of SDH?

(Multiple Choice)

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Question 57

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A MAC address consists of 48 bits and is globally unique. Which of the following is the meaning of the MAC address whose eighth bit is 1?

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Question 58

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PDM uses the polarization beam splitter to divide the laser into two perpendicular directions: x and y.

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Question 59

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WDM multiplexes the optical signals at multiple rates (wavelengths) over one fiber for transmission. The digital signals carried by these optical signals must have the same rate and data format.

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Question 60

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Which of the following communication protocols are used for DCN management on Huawei devices?

(Multiple Choice)

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Related questions

Which of the following is the multiplexing mode of SDH?
Which of the following are the main advantages of SDH? (Multiple Choice)
The interval between two adjacent pointer justification events is at least ( ) frames.
According to ITU-T recommendations, the requirement that the MSP switching time should be within 50 ms is conditional. For example, the number of NEs on an entire ring network is less than 16.
Forced switching, fiber cut switching, manual switching, and exercise switching are in the descending order of priority.
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, and then split the VC and C encapsulation to separate low-rate signals, such as PDH. That is, low-rate tributary signals can be directly dropped from the STM-N signal.
Which of the following factors determines that the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent After signals are transmitted for a certain distance in a WDM system, the optical signal-to-noise ratio (OSNR) at the receive end decreases to a certain extent. Which of the following is the main cause?
The last 256 columns in the OTN frame structure are FEC areas, which are used for forward error correction.
Which of the following is the frame structure of STM-16?
Frame-Mapped GFP (GFP-F) is a processing mode oriented to data coding blocks (such as Fiber Channel and ESCON).