Practice Free H12-931_V2.0-ENU Exam Online Questions
On an STM-1 frame, 15 VC-12 services are created in sequence from 1 to 15. Then, when a VC3 service is created on the second VC-3 of this STM-1 frame, what is the result displayed by the network management system?
- A . Operation successful
- B . Time Slot Conflict
- C . No display
- D . Not enough resources
For the OptiX trans E9624 device, when the working OUT and protection OUT are placed in different subracks, the DCP board can be used to configure the client-side 1+1 protection
- A . True
- B . False
A network is configured with an optical line protection group. The initial difference between the primary and standby input optical signals is 2db, and the primary and standby input optical difference switching threshold is 5db. Which of the following situations will trigger switching?
- A . Main channel optical power minus standby channel optical power = 4db
- B . Main channel optical power minus standby channel optical power = -4db
- C . Main channel optical power minus standby channel optical power = -2db
- D . Main channel optical power minus standby channel optical power = 2db
Which of the following PTN equipment protection involves bundling multiple ports/links to provide higher bandwidth and reliability? (Multiple choice)
- A . OAM/BFD
- B . Tunnel APS/PW APS
- C . LAG/ML-PPP
- D . LAG/MC-LAG
In what order do the downstream signals flow through the functional blocks of the SL16 circuit board?
- A . SPI, RSE, MST, MSP, MSA, HPT
- B . HPT, MSA, MST, RST, SPI
- C . SPL, MST, RST, MSP, MSA, HPT
- D . HPI, MSP, MSA, MST, RST, SPI
Regarding the optical power adjustment of the RAU2 board, which of the following is the correct description? (Multiple choice)
- A . Before commissioning the RAU2 board, you must first disable the team function and then turn off the Raman board laser.
- B . Before turning on the Raman laser, make sure all connectors are connected properly.
- C . Since the RAU2 board has built-in EVOA, the Raman gain needs to be directly set to the maximum gain of the supported fiber type.
- D . When using MONO or MOWS to measure online optical power, a 20dB compensation is required.
Which of the following descriptions of modulation technology for 40Gbit/s and 100Gbit/s coherent systems are correct? (Multiple choice)
- A . The modulation technology used in 100G coherent systems is ePDM-BPSK
- B . The modulation technology used in the 40G coherent system is ePDM-QPSK
- C . The modulation technology used in the 100G coherent system is ePDM-QPSK
- D . The modulation technology used in the 40G coherent system is ePDM-BPSK
Which of the following are the types of services that can be carried by PWE3 technology? (Multiple choice)
- A . CES
- B . E-Line
- C . E-LAN
In the MPLS-TP OAM protocol model, the network can be divided into three layers. Which of the following descriptions about the relationship between these three layers is correct? (Multiple choice)
- A . PW is the client layer of the tunnel and also the service layer of the service.
- B . Tunnel is the client layer of Section and also the service layer of PW.
- C . MPLS-TP Section is the service layer of the tunnel.
- D . Section is the client layer of the tunnel and also the service layer of the PW.
Which of the following methods can be used to achieve service isolation in the network-side transmission tunnel of PTN equipment? (Multiple choice)
- A . MPLS
- B . VLAN
- C . S-VLAN
- D . IP