最新の2024年08月試験H31-311_V2.5問題集で合格させる認証試験合格させます
最新でリアルなHuawei H31-311_V2.5試験問題集解答があります
Huawei H31-311_V2.5（HCIA-Transmission V2.5）認定試験は、送信ネットワーク技術の分野でのスキルと知識を検証しようとする個人向けに設計された専門的な認定試験です。この試験は、光ファイバー伝送、SDH伝送、WDM伝送、イーサネット伝送など、さまざまなトランスミッションネットワークテクノロジーに関する候補者の理解をテストするように設計されています。
質問 # 93
Measure the error correction capability of fec with encoded gain. Which of the following statements about the coding gain is incorrect?
- A. When ber is constant, the OSNR saved by correcting the encoding is called the encoding gain.
- B. The coding gain of D.AFEC is greater than the coding gain of FEC.
- C. The error correction capability of B.FEC increases with coding gain.
- D. The coding gain of the in-band FEC is greater than the coding gain of the out-of-band FEC
正解：D
質問 # 94
Which of the following is the difference between an AU pointer and a TU pointer? (Multiple choice).
- A. The byte that stores the pointer value
- B. Adjust units
- C. Indicates the range
- D. The number of bits occupied by the pointer value
正解：A、B、C
質問 # 95
When the low-level resources of the device are insufficient, which of the following measures can be taken? (Multiple choice).
- A. Configure VC4 Server Path
- B. Use a crossover connection board with a large low-level cross-connection
- C. Combine available low-level resources. (.)
- D. Configure the VC4 service. .
正解：B、C、D
質問 # 96
Which of the following is the meaning of "L" in the optical module parameter "L-64.2"
- A. Emission wavelength
- B. Transmission distance
- C. Fatigue of reception
- D. Dispersion coefficient
正解：B
質問 # 97
RSOH, MSOH, HPOH and LPOH implement the monitoring function in descending order of the monitoring fan country.
- A. True
- B. Error
正解：A
質問 # 98
Which of the following statements regarding the protection of the cross-connecting plate 1+1 is correct?
(Multiple choice).
- A. After the service cross-connection is completed, the active and standby cross-board sends the data of the primary cross-board to the receiving service board.
- B. Both cross-connecting plates have the same configuration. The service board will selectively receive services from one of them based on the quality of service and the status of the cross-connecting board. .
- C. The bus of the two cross-connected modules works independently and does not interfere with each other. .
- D. The receiving service board can only receive data from the active cross-link board
- E. Dual bus system structure indicates that the service board performs dual data transfer to the cross-connection side and selectively receives data on the cross-connection side. .
- F. The source business board sends services to the main and standby crossover boards. .
正解：B、C、E、F
質問 # 99
On OSN Series transmission devices, ethernet ports cannot access tagged and untagged frames at the same time
- A. False
- B. True
正解：A
質問 # 100
Which of the following is the frame indicated by the VC-4 J1 byte by the AU pointer of the current frame?
- A. Next frame
- B. None of the above
- C. Previous frame
- D. Current framework
正解：A
質問 # 101
Which of the following is the basic requirement of the DWDM system in the light source?
- A. Low dispersion tolerance.
- B. The launch function is very high
- C. Use the direct modulation method
- D. output wavelength stabilization
正解：D
質問 # 102
Which of the following statements regarding multiplexing partial remote error indication (MS-REI) is correct?
(1) B2 bytes indicate the transmission channel.
(2) The M1 byte represents the transmission channel
(3) THE MS-REl is sent from the receiver to the source.
(4) MS-REI is transmitted from the source to the receiver.
(5) Indicates the number of bit errors detected by the receiver after receiving the MS signal.
- A. (2) (3) (5)
- B. ①④⑤
- C. ①③⑤
- D. ②④⑤
正解：A
質問 # 103
Which of the following is the meaning of SFD in the Ethernet frame structure?
- A. Frame check sequence
- B. start frame delimiter
- C. Payload
- D. Preamble
正解：B
質問 # 104
On the NMS system, the network element performance monitoring time is set to () minutes and () hours.
- A. 15.24
- B. 30.12
- C. 30.24
- D. 15.12
正解：A
質問 # 105
The scope of management of OMSn is the path from the input optical port on the multiplexer unit of the sending site to the output optical port on the multiplexer unit of the receiving site, called the optical multiplexing segment (OMS) path.
- A. True
- B. Error
正解：A
質問 # 106
Which of the following is the steps to multiplex a low-speed service into a high-speed SDH service?
(Multiple choice).
- A. Multiplexing
- B. Overhead insertion
- C. Mapping
- D. Alignment
正解：A、C、D
質問 # 107
What are the basic features of the U2000? Multiple Choices
- A. Performance management
- B. Security management
- C. Topology management
- D. Alarm management
正解：A、B、C、D
質問 # 108
In the OSN550, the CXL slot contains a function board that integrates a system control and communication (SCC) unit, a cross-connecting unit, and a clock unit Depending on the functionality and access features provided by the OSN550, there are several types of dashboards
- A. True
- B. False
正解：A
質問 # 109
The number of ODU2e signals multiplexed into the ODU3 signal is the same as the number of ODU2 signals multiplexed into the ODU3 signal
- A. False
- B. yes
正解：A
質問 # 110
In the system control unit, which of the following databases does not lose data after a power failure?
(Multiple choice).
- A. MDE
- B. FDB0
- C. DRDB
- D. FDB1
正解：B、D
質問 # 111
Which of the following statements about overhead bytes is incorrect?
- A. A1 and A2 are framed bytes" These bytes are used to separate STM-1 frames in the signal stream. .
- B. E1 and E2 are wired bytes. These bytes are used to provide a voice channel for order line connections.
- C. J0 is the regenerator part trace byte. This byte is used to resynch the send segment access point identifier so that the receiving end can verify its continuous connection to the specified sender.
- D. B1 is better than holding interleaved parity 8 (BIP-8). This byte is used to monitor for bit errors in the regenerator section layer.
正解：A
質問 # 112
Configuring the EPLAN service as a ring is not recommended. If the EPLAN service is configured as a ring network, the STP protocol must be enabled on the network to prevent broadcast storms.
- A. True
- B. False
正解：A
質問 # 113
U2000 can flexibly interconnect with different third-party network administrators through the Northbound Interface (NBI) and provide physical inventory and alarm information for the upper-layer network management.
- A. True
- B. False
正解：A
質問 # 114
The clock unit can only access the external clock source as the timing signal source of the system through the external clock interface. In addition; It can also output a processed clock and provide a clock source for other devices that need timing.
- A. False
- B. True
正解：A
質問 # 115
When the sender detects that the b6-b8 of the K2 byte is 110, it means that the sender has reported an alarm ().
- A. R THE
- B. MS RIF
- C. MS-AIS
- D. R LOF
正解：B
質問 # 116
On a Layer 2 switching device, if the Ethernet port is an Access port, the port can only receive Ethernet frames without a VLAN tag or Ethernet frames with the same VLAN ID as the default VLAN ID of the port.
- A. False
- B. True
正解：A
質問 # 117
Which of the following communication protocols are used for DCN management of Huawei devices?
(Multiple choice).
- A. FTP
- B. HWECC
- C. TCP/IP
- D. OSl
正解：B、C、D
質問 # 118
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