Question No. 1

When it is found that the local end reports the ETH_LOS alarm, the fault can be located by the switch-back method. If the alarm disappears after the ODF loops back to the local end, which of the following may be

the cause?

AThe peer board or pigtail is faulty

BLine failure

CThe local board or pigtail is faulty

DDevice false positives

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Correct Answer: A

Question No. 2

What is the main function of the physical layer?

AProvide a reliable information transfer mechanism

BA retransmission mechanism responsible for error detection and information

CResponsible for the physical and electrical interface between user equipment and network end equipment

DEstablish and clear a network-wide connection between two transport protocol entities

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Correct Answer: C

Question No. 3

Which of the following descriptions about EDFA is wrong?

AWhen the output power of the EDFA reaches saturation, increase the input optical power, and the gain of the EDFA will decrease

BThe optical monitoring channel of 1510nm can be effectively amplified by EDFA

CNoise figure, saturated output power, gain flatness, gain, etc. are all important parameters to characterize EDFA

DThe amplification of optical signals by EDFA is pure optical amplification without photoelectric conversion.

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Correct Answer: B

Question No. 4

When the switch is working, the device forwards data according to the MAC address forwarding table. Which of the following statements is correct?

AIf the destination MAC address of the packet is the broadcast MAC address, it will be flooded to all ports including the source port.

BIf the destination address of the message is a unicast MAC address, look up the MAC address table, and if found, forward the frame to the corresponding port (excluding the source port)

CIf the destination address of the packet is a unicast MAC address, but there is no corresponding entry in the MAC address table, the packet is discarded

DIf the MAC address entry of the device reaches the upper specification limit of the device, the device cannot learn new MAC address entries, and the packet is discarded.

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Correct Answer: B

Question No. 5

Which of the following items is the default "fixed boundary port" of the system?

AFEU board IN/OUT port

BOTU unit line side port

CM40V board OUT port

DThe OUT port of the OAU1 board

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Correct Answer: A, B

Free Huawei H35-260 Exam Actual Questions

The questions for H35-260 were last updated On Nov 20, 2024