최신 H31-341_V2.5-ENU 무료덤프 - Huawei HCIP-Transmission V2.5

문제1

Regarding the bit error test of the entire network during commissioning, which of the following statements is correct? (Multiple choice)

A. The duration of the full-channel bit error test is 20 hours. B If a bit error occurs within 20 hours, it needs to be retested for 20 hours after troubleshooting

B. It is recommended that the number of OTU single boards or tributary boards connected in series should not exceed 13 during full-channel bit error testing

C. In order to ensure the smooth passage of services on all channels in the entire network, a 10-minute bit error prediction is required for each single channel

D. During the single-channel bit error test, the remote end needs to perform a hardware loopback on the client side of the tributary board

정답: B,C,D

문제2

The gain wavelength of the fiber Raman amplifier is determined by the wavelength of the pump light. As long as the wavelength of the pump source is appropriate, the signal amplification of any wavelength can be theoretically obtained.

A. True

B. False

정답: A

문제3

Compared with ROADM, FOADM networking has some shortcomings. Which of the following are the shortcomings of FOADM networking? (Multiple choice)

A. Node expansion and business adjustment require O&M personnel to go to the site for support

B. It is generally necessary to manually adjust the power budget on site during node expansion, and remote automatic adjustment cannot be realized

C. Wavelength allocation is based on planning. Once allocated, it is difficult to change the wavelength and the network elasticity is poor.

D. Unable to achieve timely wavelength service activation

정답: A,B,C,D

문제4

Both OTUCn and ODUCn can complete the functions of digital field and channel layer.

A. True

B. False

정답: B

문제5

Which of the following maintenance signals is transmitted from the downstream site to the upstream site of the OTN?

A. LCK

B. IAE

C. ATS

D. BDI

정답: D

문제6

Which of the following statements about MST functional modules are correct? (Multiple choice)

A. MST implements BIP-8 statistical calculation of B2 bytes

B. MST provides E2 orderwire channel

C. MST returns bit error information. But does not return a specific number of bit errors

D. MST is both a source and a sink for MS.

정답: B,D

문제7

What is the connection port between BTS and transmission in the high-speed rail base station?

정답:

2M electrical port

문제8

The overall procedure for commissioning optical power of a system without an optical amplifier: adjust in sequence from upstream to downstream according to the flow direction of the signal, focusing on the optical power requirements of OTU boards, branch boards, line boards, and wavelength conversion boards. make adjustments

A. True

B. False

정답: B

문제9

Which of the following description about the TNG2WSMD9 single board are correct? (Multiple choice)

A. The board supports optical power adjustment and online optical power detection

B. The WSMD9 single board belongs to the dynamic optical add-drop multiplexing unit

C. 9-port wavelength selective multiplexing board (ultra-wide C-band)

D. Realize the optical layer level signal service scheduling of multiple wavelengths

정답: A,B,D

문제10

Which of the following are the limitations of the alarm and performance analysis methods? (Multiple choice)

A. In the case of complex networking, services, and fault information, a large number of alarms and performance events may be generated with the occurrence of faults. Due to too many alarms and performance events, maintenance personnel cannot start analysis.

B. The network management personnel cannot obtain the current alarms of the device, the alarm occurrence time, and the historical alarms of the device.

C. When some faults occur, there may be no obvious alarms or performance events to report, and sometimes no alarms or performance events can even be found.

D. On-site maintenance personnel cannot know the current operating status of the equipment.

정답: A,C

문제11

The current sparse wavelength division multiplexing system generally works in the band from 1271nm to 1611nm. Which of the following is the channel spacing?

A. 18nm

B. 20nm

C. 10nm

D. 5nm

정답: B

문제12

The backplane has two -48V power lines. Each board gets two 48V power supplies from the backplane. Various voltages required for each component are obtained through DC/DC power supply modules and linear conversion after combining power supplies through diodes.

A. True

B. False

정답: A

문제13

For a 10G OTU board, the optical module at the receiving end uses a PIN module, so which of the following receiving powers is within the normal receiving range of the board?

A. -9dBm

B. -19dBm

C. 9dBm

D. 19dBm

정답: A

문제14

The super 100G OTN signal contains various electrical layer overheads. Which of the following options belong to its electrical layer overhead? (Multiple choice)

A. OPUCn overhead

B. OTUCn overhead

C. ODUCn overhead

D. Frame Alignment Overhead

정답: B,D

문제15

The optical fiber quality detection light of the TNF1AST4 board shares the light source with the OSC channel. Use the TNF1AST4 single board in the which type model (when performing detection, the OSC communication will be interrupted, at this time only the optical fiber quality detection signal is sent, and the detection dynamic range is large)?

A. Normal mode

B. Typical model

C. Offline mode

D. Online mode

정답: C

문제16

Which of the following components of the ASON network do not include?

A. Sc

B. TE link

C. ASON domain

D. Intelligent network element

정답: A

문제17

Which of the following descriptions about the board configuration requirements in the OTN network is correct? (Multiple choice)

A. The mounting screws on the board must be screwed in place

B. All boards should be inserted to the bottom and the board handles should be fastened properly

C. There are no defects such as insertion marks, holes, and damage at the female end of the board connector

D. The logo on the panel handle should be correct and clear

정답: A,B,C,D

문제18

ESC is mainly divided into which of the following from the principle of realization? (Multiple choice)

A. Fixed structure DCC

B. Insert DCC

C. Adjust the top DCC

정답: A,C

문제19

What does the optical layer overhead include? (Multiple choice)

A. Och

B. OTS

C. ODUk

D. OMS

정답: A,B,D

문제20

In an 80-wave system, using the TMB1DAP (TM150AC106) amplifier, the total input power is known to be -19~1 dBm. The typical gain is 19 D, what is the nominal single-wavelength output optical power?

A. 0 dBm

B. 4 dBm

C. 2dBm

D. 1 dBm

정답: D

최신 H31-341_V2.5-ENU 무료덤프 - Huawei HCIP-Transmission V2.5

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