Updated Aug 21, 2022 Certification Exam H31-311_V2.5 Dumps - Practice Test Questions
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NEW QUESTION 62
Which of the following is the functional unit that provides serial data for the interface and system associated with the orderwire phone?
- A. Tributary units
- B. Cross-connecting unit
- C. Line units
- D. Auxiliary unit
Answer: D
NEW QUESTION 63
Which of the following maintenance signals is transmitted from the downstream site to the upstream site of the OTN?
- A. ATS
- B. BDI
- C. LCK
- D. IAE
Answer: B
NEW QUESTION 64
The MAC loopback and PHY loopback are used for fault location. When the MAC loopback is set to in loop, the PHY loopback can be set according to the actual situation.
- A. True
- B. False
Answer: B
NEW QUESTION 65
For MSPs, you need to set the MSP protocol ID for each NE. To ensure that each ID is unique, it is recommended to set the MSP protocol ID to the value that is compatible with the network element ID.
- A. True
- B. False
Answer: B
NEW QUESTION 66
Suppose 2 VC-12 time slots need to be bound to the VCTRUNK1 of the N2EFS4 board. When there are 8 VC4 slots on the N2EFS4 board, which of the following slots meets the requirements?
- A. VC-12 Time slots 1 and 2 for the 8th VC-4
- B. VC-12 time slots 1 and 2 for the fourth VC4
- C. VC-12 time slot 1 and 2 for the first VC4
- D. VC-12 time slots for the second VC4 33 and 34
Answer: B
NEW QUESTION 67
STM-64 has an () AU pointer.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 68
Which of the following local maintenance endpoints can be used to manage MSTP devices?
- A. U2000WebLCT
- B. U200IP LCT
- C. All of the above
- D. U2000LCT
Answer: D
NEW QUESTION 69
Bait-doped fiber amplifiers (EDFAs) are a key component of the new generation of optical communication systems. Which of the following is the feature of EDFA? Multiple Choice) □
- A. Low noise index
- B. High output meritorious service
- C. High gain
- D. Amplification of any wavelength
Answer: A,B,C
NEW QUESTION 70
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. Unidirectional path protection ring
- B. Bidirectional MSP ring
- C. SNCP ring
- D. All of the above
Answer: B
NEW QUESTION 71
Which of the following logical function modules is used to generate exhaust R-LOS alerts?
- A. MSA
- B. MST
- C. SPI
- D. RST
Answer: C
NEW QUESTION 72
Compared with dense wavelength division multiplexing (DWDM) systems, crude glass division multiplexing (CWDM) systems provide a certain amount of glass length and transmission distance within (kmkm), which greatly reduces system cost and has strong flexibility
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 73
On OSN Series transmission devices, ethernet ports cannot access tagged and untagged frames at the same time
- A. True
- B. False
Answer: B
NEW QUESTION 74
The receiver performs a BIP-8 check on unscrambled STM-16 frames. If the BIP8 check result XOR*∶, the value of the B1 byte contained in the next STM16 ring is 10001100, which indicates STM-16 There is a () bit error block in the axis.
- A. 0
- B. 1
- C. 2
- D. is unclear
Answer: A
NEW QUESTION 75
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. True
- B. False
Answer: B
NEW QUESTION 76
Which of the following is the electrical layer cost of OTN? (Multiple choice).
- A. ODUk
- B. OTUR
- C. OPUk
- D. och
Answer: A,B,C
NEW QUESTION 77
Only one TCM can be used at one site
- A. True
- B. False
Answer: B
NEW QUESTION 78
Which of the following is the feature of TCM overhead in ODUk signals?
- A. General communications and communication overhead
- B. Channel oversight fees
- C. In-line connection monitoring overhead
- D. Path trace identifier overhead
Answer: C
NEW QUESTION 79
Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?
- A. Optical supervision technology
- B. Wavelength conversion techniques
- C. Multiplexing/multiplexing technique
- D. Optical release technology
Answer: B
NEW QUESTION 80
When a bit error is detected in B2 bytes, which of the following alarms is reported by the peer?
- A. MS-FEBBE
- B. MS-BBE
- C. RS-BBE。
- D. MS-AIS
Answer: A
NEW QUESTION 81
On the NMS system, the network element performance monitoring time is set to () minutes and () hours.
- A. 15.24
- B. 15.12
- C. 30.12
- D. 30.24
Answer: A
NEW QUESTION 82
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