Best Quality H31-311 Exam Questions Huawei Test To Gain Brilliante Result!
Preparations of H31-311 Exam 2021 Huawei-certification Unlimited 190 Questions
NEW QUESTION 69
In the 2.5G MSP ring consisting of four MSTP sites, when a protection switching occurs, which of the following statements about the alarm reporting is correct?
- A. The APS-INDI alarm is reported on the XCS board.
- B. The APS-INDI alarm is reported on the line board.
- C. The APS-INDI alarm is reported on the system control board.
- D. The PS alarm is reported on the tributary board.
Answer: A
NEW QUESTION 70
Which of the following is the basic requirement of a DWDM system on a light source?
- A. The dispersion tolerance is low.
- B. The output wavelength is stable.
- C. The transmit power is high.
- D. The direct modulation method is used.
Answer: B
NEW QUESTION 71
Which of the following statements about the multiplex section remote error indication (MS-REI) is correct?
1. The B2 byte indicates the transmission channel.
2. The Ml byte indicates the transmission channel.
3. MS-REI is transmitted from the sink to the source.
4. MS-REI is transmitted from the source to the sink.
5. Indicates the number of detected bit errors after the sink receives the MS signals.
- A. 2 , 3 , 5
- B. 1 , 3 , 5
- C. 2 , 4 , 5
- D. 1 , 4 , 5
Answer: A
NEW QUESTION 72
Which of the following is not the advantage of WDM?
- A. Compatible with all optical switching networks in the future
- B. Ultra-large capacity and transparent data transmission
- C. Easy to upgrade and maximizing the protection for existing investments
- D. Completely substituting for SDH devices
Answer: D
NEW QUESTION 73
MAC loopback and PHY loopback are used for fault locating. When the MAC loopback is set to an inloop, you can set the PHY loopback according to the actual situation.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 74
Which of the following is the function of TCM overheads in ODUk signals?
- A. General communication channel overhead
- B. Tandem connection monitoring overhead
- C. Path trace identifier overhead
- D. Channel supervisory overhead
Answer: B
NEW QUESTION 75
When the SXCS board is configured for an OSN 3500, which of the following is the access capacity of the subrack in full configuration?
- A. 35G
- B. 58.75G
- C. 155G
- D. 80G
Answer: C
NEW QUESTION 76
Which of the following statements about extended ECC is incorrect?
- A. Automatic extended ECC can be enabled on a maximum of four NEs. In manual extended ECC mode, each server can be connected to a maximum of three clients.
- B. Extended ECC is classified into automatic extended ECC and extended ECC in specified mode.
- C. Automatic extended ECC indicates using a straight-through cable to connect the Ethernet ports of two NEs.
- D. Extended ECC in specified mode indicates that the server and client need to be specified.
Answer: A
NEW QUESTION 77
The TAG attribute cannot be set for the internal port VCTRUNK of the board on the NMS.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 78
OChr means that the electrical supervisory technology is used.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 79
When an optical fiber between node A and node B is broken, the FIU on node B detects the OTS_LOS alarm and inserts the OTS_BDI alarm to node A.
The FIU on node A reports the OTS_BDI alarm. The line board on the downstream C node reports the OCh_SSF alarm.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 80
The pointer is used for alignment and indicates the start position of VC-n in the corresponding AU or TU frame. In this way, the receive end can correctly remove the corresponding VC from the STM-N, and then split the VC and C encapsulation to separate low-rate signals, such as PDH. That is, low-rate tributary signals can be directly dropped from the STM-N signal.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 81
In the frame structure of SDH signals, there are abundant overhead bytes used for operation, administration, and maintenance (OAM). The overhead bytes account for ( ) of all bits in the entire frame and greatly enhance the monitoring functions of the network.
- A. 1/10
- B. 1/40
- C. 1/30
- D. 1/20
Answer: D
NEW QUESTION 82
Which of the following is the frame whose VC-4 J1 byte is indicated by the current frame's AU pointer?
- A. Current frame
- B. Previous frame
- C. Next frame
- D. None of the above
Answer: C
NEW QUESTION 83
A two-fiber ring topology consisting of three NEs is arranged in the counterclockwise sequence as A, B, and
C. Services between A and C occupy the 48th VC-12 timeslot in the first VC-4 on the short path, and services between B and C also occupy the 48th VC-12 timeslot in the first VC-4 on the short path. In this case, which of the following is the subnet type of the ring protection?
- A. All of the above
- B. SNCP ring
- C. Unidirectional path protection ring
- D. Bidirectional MSP ring r
Answer: D
NEW QUESTION 84
Which of the following working windows is indicated by "2" in the optical module parameter L-64.2"?
- A. 880 nm
- B. 1310 nm
- C. 1550 nm
- D. 1510 nm
Answer: C
NEW QUESTION 85
Both PDH and SDH have globally unified standards.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 86
Which of the following bytes can be used for the orderwire phone between two REG devices?
- A. E1
- B. E1 and E2
- C. None of the above
- D. E2
Answer: A
NEW QUESTION 87
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