Latest Huawei H31-311_V2.5 PDF and Dumps (2022) Free Exam Questions Answers
Pass Your Huawei Transmission H31-311_V2.5 Exam on Sep 18, 2022 with 200 Questions
NEW QUESTION 103
Establish Ethernet leased line service between HI (HQ) and H2 (branch) of enterprise H, and bind 5 in the corresponding VCTRUNK VC-12. When a VC-12 fails, the Ethernet dedicated line between H1 and H2 is interrupted. So, which of the following statements is true?
- A. Enable the QinQ function on the VCTRUNK port used by the Ethernet Leased Line service between H1 and H2.
- B. Enable the QinQ feature on the ports used by H1 and H2 Division's Ethernet Leased Line service.
- C. enables the LXAS feature on the port used by the Ethernet Leased Line service between H1 and H2.
- D. Enable the LCAS feature on the VCTRUR port used by the Ethernet Leased Line service between H1 and H2. (Correct answer"
Answer: D
NEW QUESTION 104
PDM uses a polarization beam splitter to divide the laser into two vertical directions: x and y.
- A. True
- B. Error
Answer: A
NEW QUESTION 105
After configuring PDH on a per-net element basis, the full trace cannot be searched. Which of the following is a possible cause? (Multiple choice)
- A. The tributary plate is not selected to be recited correctly.
- B. The board selection is incorrect.
- C. The time period is not configured correctly 5.
- D. Passthrough is not configured at the intermediate site. Correct answer)
Answer: B,C,D
NEW QUESTION 106
Which of the following clock operating modes supports the ITU-T G.781 standard? (Multiple choice).
- A. Self-curved running
- B. Tracking
- C. Master/Slave
- D. Hold
Answer: A,B,D
NEW QUESTION 107
PRBS can be used to test that the SDH service is healthy and that the protection reversal function is working.
- A. True
- B. Error
Answer: A
NEW QUESTION 108
Which of the following is not the advantage of WDM?
- A. Easy to upgrade and maximize protection for existing investments
- B. Large capacity and transparent data transfer
- C. gold replacement for SDH equipment
- D. Future compatible with all optical switching networks
Answer: C
NEW QUESTION 109
Which of the following can be used as the central wavelength of the pump source in EDFA? (Multiple choice).
- A. 1310nm
- B. 1480nm
- C. 1510nm
- D. 980 nm
Answer: B,D
NEW QUESTION 110
When the J1 byte does not match, an alarm () is reported and the service may be interrupted.
- A. HP_TIM
- B. LP_TEM
- C. HP_SLM
- D. RS_TEM
Answer: A
NEW QUESTION 111
Fiber loss includes bending loss, absorption loss and scattering loss.
- A. True
- B. False
Answer: B
NEW QUESTION 112
Which of the following are device-level protection schemes for SDH products? (Multiple choice).
- A. Power protection
- B. Cross-connect and timer board protection
- C. System dashboard protection
- D. TPS protection
Answer: A,B,C,D
NEW QUESTION 113
Which of the following is the maximum number of OSN3500 sub-racks that can be installed in a 2.2-meter cabinet?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 114
The frame structure of ODU4 is four times that of ODU1
- A. True
- B. False
Answer: B
NEW QUESTION 115
When the low-level resources of the device are insufficient, which of the following measures can be taken? (Multiple choice).
- A. Use a crossover connection board with a large low-level cross-connection
- B. Combine available low-level resources. (.)
- C. Configure the VC4 service. .
- D. Configure VC4 Server Path
Answer: A,B,C
NEW QUESTION 116
In a 2.5GMSP ring consisting of four MSTP sites, which of the following statements about alarm reports is correct when a protection switchover occurs?
- A. Report APS-INDl alerts on the system dashboard.
- B. Report APS-INDI alarms on the board.
- C. PS Alarms are reported on the tributary board.
- D. APS-INDI alarms are reported on the xCS board. .
Answer: D
NEW QUESTION 117
In the frame structure of the SDH signal, there are large overhead bytes for operation, management, and maintenance (OAM). Overhead bytes account for all bits () of the entire frame and greatly enhance the monitoring capabilities of the network.
- A. 1/20
- B. 1/40
- C. 1/30
- D. 1/10
Answer: A
NEW QUESTION 118
According to the formula "ODUk rate = 239/(239k) x STMN frame rate", ODU4 The rate is equal to 239/235× STMN frame rate.
- A. True
- B. Error
Answer: A
NEW QUESTION 119
In the case of SNCP, the board selectively receives the service. Therefore, SNCP can protect services on the line.
- A. True
- B. False
Answer: B
NEW QUESTION 120
Which of the following logical function modules is used to generate exhaust R-LOS alerts?
- A. MST
- B. RST
- C. MSA
- D. SPI
Answer: D
NEW QUESTION 121
Which of the following statements about the U2000 license is incorrect?
- A. Official U2000 licenses vary by operating system platform. You must apply for a U2000 license based on your specific operating system. (Correct answer"
- B. Each license file corresponds to the device serial number (ESN) of one U2000 computer, so it can only be used on the corresponding computer.
- C. Do not modify the license file. Otherwise, the license file will fail
- D. The U2000 license file xxxxxxx is named .dat format
Answer: A
NEW QUESTION 122
The STAT indicator of the SDH board flashes red, lights up for 100ms, and turns off for 100ms. Which of the following means the state of the metric?
- A. Hardware failure
- B. There is no power input
- C. Normal operation
- D. Hardware mismatch
Answer: D
NEW QUESTION 123
If you group SNCP services with the same source, sink, or route, you can increase the SNCP switching speed
- A. True
- B. Error
Answer: A
NEW QUESTION 124
In MSP networking, when the optical fiber is connected between sites, the east light plate of the site is connected to the west light plate of the downstream site, and these stations are connected in turn to form a ring. In this case, the direction from the toko plate of the site to the wine light plate of the downstream station is the direction of the main ring, and the direction of forming the ring is the direction of service.
- A. True
- B. Error
Answer: B
NEW QUESTION 125
In the Windows operating system, the log files of the U2000 program are stored in the () directory of the U2000 installation disk.
- A. /U2000/server
- B. /U2000/Client
- C. /u2000/server/log
- D. /U2000/client/log
Answer: C
NEW QUESTION 126
Which of the following is the feature of TCM overhead in ODUk signals?
- A. Path trace identifier overhead
- B. General communications and communication overhead
- C. Channel oversight fees
- D. In-line connection monitoring overhead
Answer: D
NEW QUESTION 127
Which of the following communication protocols are used for DCN management of Huawei devices? (Multiple choice).
- A. TCP/IP
- B. FTP
- C. OSl
- D. HWECC
Answer: A,C,D
NEW QUESTION 128
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