Full H31-311 Practice Test and 190 unique questions with explanations waiting just for you!
Huawei-certification Dumps H31-311 Exam for Full Questions - Exam Study Guide
NEW QUESTION 44
The value of the MFAS byte increases with the sequence number of the OTUk/ODUk base frame, and a maximum of ( ) base frames are included.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 45
When the rate of an SNCP ring consisting of four OptiX OSN 2500 devices is 2.5 Gbit/s, the service capacity of this network can carry a maximum number of ( ) 2 Mbit/s signals.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 46
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 47
Optical fiber loss includes the bending loss, absorption loss, and scattering loss.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 48
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 49
Which of the following maintenance signals is transmitted from a downstream site to an upstream site in OTN?
- A. BDI
- B. IAE
- C. LCK
- D. ATS
Answer: A
NEW QUESTION 50
Which of the following are communication quality alarms? (Multiple Choice)
- A. No login of an NE user
- B. Optical port loopback
- C. Loss of optical signals
- D. NE communication interruption
Answer: C,D
NEW QUESTION 51
The receive end performs BIP-8 check for the unscrambled STM-16 frame. If the BIP-8 check result XOR the value of the B1 byte contained in the following STM-16 frame is 10001100, it indicates that () bit error blocks exist in the STM-16 frame.
- A. 0
- B. Unclear
- C. 1
- D. 2
Answer: C
NEW QUESTION 52
If a network port that supports auto-negotiation is connected to a network port that does not support auto-negotiation, the half-duplex and full-duplex modes may be interconnected.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 53
In an OSN 550, the CXL slot houses a functional board that integrates the system control and communication (SCC) unit, cross-connect unit, and clock unit. The functional board is available in multiple types depending on the functions and access capabilities provided by the OSN 550.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 54
When synchronization is performed on the 1U2000, the NE data that is the same as that on the U2000 is not uploaded to the U2000, and the data that exists on the U2000 but not on the NE is deleted.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 55
Which of the following are basic functions of the U2000? (Multiple Choice)
- A. Alarm management
- B. Security management
- C. Topology management
- D. Performance management
Answer: A,B,C,D
NEW QUESTION 56
Frame-Mapped GFP (GFP-F) is a processing mode oriented to data coding blocks (such as Fiber Channel and ESCON).
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 57
Which of the following are the steps for multiplexing low-speed services into high-speed SDH services?
(Multiple Choice)
- A. Overhead insertion
- B. Alignment
- C. Multiplexing
- D. Mapping
Answer: B,C,D
NEW QUESTION 58
Assume that 2 x VC-12 timeslots need to be bound with VCTRUNK1 of the N2EFS4 board. When 8 x VC-4 timeslots are available on the N2EFS4 board, which of the following timeslots meets the requirements?
- A. VC-12 timeslots 33 and 34 of the second
- B. VC-12 timeslots 1 and 2 of the first VC-4
- C. VC-4 VC-12 timeslots 1 and 2 of the eighth VC-4
- D. VC-4 VC-12 timeslots 1 and 2 of the fourth
Answer: D
NEW QUESTION 59
Which of following are the configuration modes of new NEs? (Multiple Choice)
- A. Copying NE data
- B. Manual configuration
- C. Uploading
- D. Downloading
Answer: A,B,C
NEW QUESTION 60
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 61
Which of the following statements about the EFS4 board are correct? (Multiple Choice)
- A. This board must be used together with a processing board.
- B. The board interface an LC interface.
- C. This board supports Layer-2 switching.
- D. This board has four FE ports.
Answer: C,D
NEW QUESTION 62
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