Authentic H31-311 Dumps With 100% Passing Rate Practice Tests Dumps
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NEW QUESTION 77
In the case of MSP, you need to set the MSP protocol ID of each NE. To ensure that each ID is unique, you are advised to set the MSP protocol ID to the same value as the NE ID.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 78
Manual configuration will clear data on the NE side.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 79
The interval between two adjacent pointer justification events is at least ( ) frames.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 80
The Erbium Doped Fiber Amplifier (EDFA) is a key component of the new-generation optical communication system. Which of the following are the features of the EDFA? (Multiple Choice)
- A. Low noise index
- B. High gain
- C. High output power
- D. Amplification of any wavelengths
Answer: A,B,C
NEW QUESTION 81
The frame structure of 0DU4 is four times that of ODU1.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 82
NE A and NE B are adjacent NEs. If B3 and lower-order bit errors occur in the A->B direction and B1, B2, B3, and lower-order bit errors occur in the B->A direction, which of the following performance events are reported by NE A? (Multiple Choice)
- A. MSBBE
- B. HPFEBBE
- C. RSBBE
- D. HPBBE
- E. MSFEBBE
- F. RSFEBBE
Answer: A,B,C,D
NEW QUESTION 83
The management scope of an OMSn is the path from the input optical port on a multiplexer unit at the transmit site to the output optical port on a demultiplexer unit at the receive site, which is called an optical multiplexing section (OMS) path.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 84
During the service configuration between two adjacent sites (NE1 and NE2), if VC4:1 and VC12:l-3 are used on the NEl's line board connected to NE2, the same VC4 and VC12 timeslots must be used on the NE2's line board connected to NE1.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 85
The 1310 nm and 1550 nm transmission windows are low-loss windows. In DWDM systems, only the 1550 nm transmission window is used. Which of the following is the major cause?
- A. None of the above
- B. The 1550 nm wavelength area is applicable to long-haul transmission.
- C. The non-linear effect of the 1550 nm wavelength area is small.
- D. The working wavelength flatness area of the EDFA is included in this window.
Answer: D
NEW QUESTION 86
Which of the following statements about overhead bytes is incorrect?
- A. J0 is a regenerator section trace byte. This byte is used to repeatedly transmit a section access point identifier, so that the receive end can verify its continuous connection to the specified transmit end.
- B. A1 and A2 are framing bytes. These bytes are used to separate STM-1 frames in a signal flow.
- C. B1 is bit interleaved parity-8 (BIP-8). This byte is used to monitor bit errors at the regenerator section layer.
- D. E1 and E2 are orderwire bytes. These bytes are used to provide a voice channel for orderwire connections.
Answer: B
NEW QUESTION 87
Optical supervisory channels are intended for the supervisory of WDM optical transmission systems. In ITU-T recommendations, 1510 nm wavelengths at a ( ) rate are preferentially used.
- A. 192 kbit/s
- B. 64 kbit/s
- C. 2Mbit/s
- D. 576 kbit/s
Answer: C
NEW QUESTION 88
The rate of STM-1 is () bit/s.
- A. 9*270*1*8000
- B. 9*270*1*8000*8
- C. 9*270*1*8000*16
- D. 9*270*4*8000
Answer: B
NEW QUESTION 89
Which of the following is the meaning of "L" in the optical module parameter "L-64.2"?
- A. Dispersion coefficient
- B. Transmission distance
- C. Receive wavelength
- D. Transmit wavelength
Answer: B
NEW QUESTION 90
Which of the following are the service board types of MSTP devices? (Multiple Choice)
- A. Interface board
- B. Service processing board with interfaces
- C. Service processing board
- D. Auxiliary board
Answer: A,B,C
NEW QUESTION 91
The device IP addresses of the gateway NE and non-gateway NEs must be set in the same network segment.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 92
On the OSN series transport devices, Ethernet ports cannot access tagged frames and untagged frames at the same time,
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 93
The clock unit can access an external clock source as the timing signal source of the system only through the external clock interface. In addition, it can output the processed clock and provide the clock source for other devices that require timing.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 94
An Ethernet private line service is set up between HI (HQ) and H2 (branch) of enterprise H, and five VC-12s are bound in the corresponding VCTRUNK. When one VC-12 fails, the Ethernet private line between HI and H2 is not interrupted. Therefore, which of the following statements is correct?
- A. The LCAS function is enabled on the ports used by the Ethernet private line service between HI and H2.
- B. The LCAS function is enabled on the VCTRUNK ports used by the Ethernet private line service between HI and H2.
- C. The QinQ function is enabled on the ports used by the Ethernet private line service between HI and H2.
- D. The QinQ function is enabled on the VCTRUNK ports used by the Ethernet private line service between HI and H2.
Answer: B
NEW QUESTION 95
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