Best Huawei H31-311_V2.5 Exam Practice Material Updated on Nov 08, 2022
New H31-311_V2.5 Actual Exam Dumps, Huawei Practice Test
NEW QUESTION 36
If a network port that supports autonegotiation is connected to a network port that does not support autonegotiation, you can interconnect in both half-duplex and full-duplex modes.
- A. True
- B. Error
Answer: A
NEW QUESTION 37
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. Error
Answer: A
NEW QUESTION 38
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. enables the LXAS feature on the 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. Enable the LCAS feature on the VCTRUR port used by the Ethernet Leased Line service between H1 and H2. (Correct answer"
- D. Enable the QinQ function on the VCTRUNK port used by the Ethernet Leased Line service between H1 and H2.
Answer: C
NEW QUESTION 39
Which of the following statements about the EFS4 board are correct? (Multiple choice).
- A. The board supports three layers of text exchange. .
- B. The board has four FE ports. .
- C. The board interface is the LC interface.
- D. The plate must be used with the processing plate.
Answer: A,B
NEW QUESTION 40
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
Answer: A
NEW QUESTION 41
Which of the following statements about the clock source are incorrect?
- A. Typically, a branch clock is not used as a clock source for a device.
- B. Select the same SSM co-editor for all NE in the clock protection subnet
- C. If the difficultY SSM protocol is enabled, you need to set the clock source ID to correct the answer.
- D. The internal clock source has the lowest priority due to low accuracy.
Answer: C
NEW QUESTION 42
Which of the following is not an EVPLAN feature?
- A. point-to-point, and point-to-multipoint topologies
- B. Forwarding based on MAC address
- C. bandwidth sharing
- D. Multipoint to multipoint topology
Answer: A
NEW QUESTION 43
The rate of SF64 and SL64 boards is STM54. Therefore, the two plates can be interconnected.
- A. False
- B. True
Answer: A
NEW QUESTION 44
OSN1500/2500/3500/7500 supports DC and AC power inputs.
- A. False
- B. True
Answer: A
NEW QUESTION 45
The dual fiber ring topology consisting of three network elements is arranged in counterclockwise order as the service between A, B and C A and C occupies the first VC-48 on the short path VC-12 time slots, B and C of the same service also occupy the 48th of the first VC-4 on the short path VC-12 time slots
- A. SNCP ring
- B. Unidirectional path protection ring
- C. All of the above
- D. Bidirectional MSP ring
Answer: D
NEW QUESTION 46
The following is the frame structure of the STM-16?
- A. 9*270*64
- B. 9*270"4
- C. 9*270*1
- D. 9*270*16
Answer: D
NEW QUESTION 47
Which of the following alarm/event storage modes does U2000 support? (Multiple choice).
- A. Dump the alarm log periodically
- B. overflow does invert ()
- C. Manual dumping
- D. Automatic pouring
Answer: A,B,C
NEW QUESTION 48
Which of the following statements about extending the ECC is incorrect?
- A. You can enable auto-scaling ECC on up to four network elements. Under the Hand Extension
- B. C overlay, each server can link up to three clients.
- C. Extended ECC is divided into Auto Extended ECC and Extended ECC in specified mode.
- D. Extended ECC in specified mode indicates that a server and client need to be specified.
- E. Auto-expanding ECC means an Ethernet port that uses a pass-through cable to connect two network elements
Answer: A
NEW QUESTION 49
Which of the following communication protocols are used for DCN management of Huawei devices? (Multiple choice).
- A. OSl
- B. FTP
- C. TCP/IP
- D. HWECC
Answer: A,C,D
NEW QUESTION 50
SES: There are 5% or more of the error blocks or at least one defect (OCI/AIS/LCK/IAE/LTC/TIM/PLM) in one second.
- A. False
- B. True
Answer: A
NEW QUESTION 51
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. B1 is better than holding interleaved parity 8 (BIP-8). This byte is used to monitor for bit errors in the regenerator section layer.
- 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. E1 and E2 are wired bytes. These bytes are used to provide a voice channel for order line connections.
Answer: A
NEW QUESTION 52
Which of the following is the functional unit that provides serial data for the interface and system associated with the orderwire phone?
- A. Line units
- B. Auxiliary unit
- C. Cross-connecting unit
- D. Tributary units
Answer: B
NEW QUESTION 53
Forced switching, fiber switching, manual switching and motion switching are decreased in order of priority.
- A. True
- B. Error
Answer: A
NEW QUESTION 54
When the working PQ1 board is oversized, the device will perform and the TFS protection will be reversed. Which of the following statements about the switching process are correct? (Multiple choice).
- A. The D75S board responds to the switch message by transmitting the service to the shared protection bus and stopping sending the service to the tyrant PQ1 board
- B. If the protection PQ1 board is normal, the cross-connection board sends a switching message to the D75S corresponding to the faulty PQ1 board through the switching control bus. .
- C. The protection PQ1 board receives and processes the services transmitted from the D75S board to the protection bus to complete the protection switching
- D. cross-connect board checks the PQ1 board fault through the board status bus. .
Answer: A,B,C,D
NEW QUESTION 55
Which of the following is the multiplexing method of SDH?
- A. Flexible mapping and synchronization multiplexing
- B. Asynchronous multiplexing
- C. flexible mapping
- D. flexible mapping and asynchronous multiplexing
Answer: A
NEW QUESTION 56
When a bit error is detected in B2 bytes, which of the following alarms is reported by the peer?
- A. RS-BBE。
- B. MS-FEBBE
- C. MS-BBE
- D. MS-AIS
Answer: B
NEW QUESTION 57
Manual configuration will clear the data on the NE side
- A. True
- B. Error
Answer: A
NEW QUESTION 58
The segment overhead of STM-4 is () bytes/frame.
- A. 9*8
- B. 9*8"4
- C. 9*9*8
- D. 9*9*4
Answer: B
NEW QUESTION 59
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