Free Access Huawei.H31-341_V2.5.v2025-04-15.q376 Practice Test (Page 32)

Question 151

Which of the following are communications, quality alerts? (Multiple choice)

A.User who has not logged in to the network element

B.Optical signal loss

C.New in NE communication

D.Optical port loopback

Question 152

The LPT (LinkPassThrough) function is applied to the scenario where WDM equipment accesses FE/GE/10GELAN services. Which of the following are the correct statement? (Multiple choice)

A.It makes the user equipment perceive the link status information by turning off the group and turning on the laser of the WDM device, thereby triggering the user equipment to enable the service protection function and select the active or standby link for communication

B.The LPT function can be divided into port-based LPT and service-based LPT in terms of implementation methods.

C.From the perspective of the network, ALS has similar functions to LinkPaseThrough (LinkPaseThrough), and the differences are mainly reflected in the transmission mode of applicable service faults and the laser restart mechanism.

D.By adding overhead bytes supporting the LPT protocol to the signal frame format on the WDM side, the operating status of the network access point or service network can be monitored

Question 153

Which of the following is wrong about LCAS?

A.TR_TIMR is the waiting recovery time, which refers to the waiting time to join the LCAS virtual concatenation group after the time slot shielded by LCAS changes from bad to good

B.When some members fail, other members still transmit data normally; when the failed members are repaired, the bandwidth of the virtual concatenation group can be automatically restored

C.Use SDH overhead bytes (K4 for high-order virtual concatenation, H4 for low-order virtual concatenation) to carry control information, and perform handshake operations between the source and the sink

D.If the number of VCTrunk members is not suitable, you need to increase or decrease the number of users, and adjust the number of members through LCAS, you only need to increase or decrease the number of VCTrunk members to achieve a smooth upgrade without interrupting the business

Question 154

Which port of the M40 is the output of the 3THz wavelength OTU single board connected to?

A.2

B.40

C.3

D.38

Question 155

Two sockets are called paired if the overhead bytes pass through the backplane bus between the two sockets. Paired broadcast slots realize automatic transparent transmission of overhead bytes, such as adding () and () to improve MSP switching performance even if the SCC board on the local element is offline. Protect the DCC communication with its network element. (Multiple choice)

A.K bytes

B.B1 byte

C.D byte

D.E1 byte

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Question 151

Question 152

Question 153

Question 154

Question 155

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