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NEW QUESTION 60
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 61
When an optical fiber between node A and node B is broken, the FIU on node B detects the OTS_LOS alarm and inserts the OTS_BDI alarm to node A.
The FIU on node A reports the OTS_BDI alarm. The line board on the downstream C node reports the OCh_SSF alarm.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 62
Which of the following bytes can be used for the orderwire phone between two REG devices?
- A. E1
- B. E1 and E2
- C. None of the above
- D. E2
Answer: A
NEW QUESTION 63
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. TRUE
- B. FALSE
Answer: A
NEW QUESTION 64
Which of the following statements about the sequence of a signal flow between the SDH interface and the cross-connect unit is correct?
- A. SPI< >RST< >MSA< >MSP< >MST< >HFT
- B. SPT< >MST< >MSA< >RST< >MSP< >HPT
- C. SPI< >MST< >RST< >MSA< >MSP< >HFT
- D. SPI< >RST< >MST< >MSP< >MSA< >HFT
Answer: D
NEW QUESTION 65
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 66
Which of the following logical functional modules are involved in processing clock signal? (Multiple Choice)
- A. SPI
- B. SETS
- C. RST
- D. MCF
Answer: A,B
NEW QUESTION 67
When the LCAS function is used/ which of the following overhead bytes are used to transmit control information? (Multiple Choice)
- A. K4
- B. M1
- C. K2
- D. H4
Answer: A,D
NEW QUESTION 68
Which of the following are the device-level protection schemes of SDH products? (Multiple Choice)
- A. Cross-connect and timing board protection
- B. Power supply protection
- C. TPS protection
- D. System control board protection
Answer: A,B,C,D
NEW QUESTION 69
The device IP addresses of the gateway NE and non-gateway NEs must be set in the same network segment.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 70
Which of the following is the default WTR time for MSP switching?
- A. 10 minutes
- B. 6 minutes
- C. 15 minutes
- D. 12 minutes
Answer: A
NEW QUESTION 71
Which of the following statements about clock sources is incorrect?
- A. Generally, tributary clocks are not used as the clock sources of devices.
- B. The same SSM protocol is selected for all NEs in a clock protection subnet.
- C. Internal clock sources have the lowest priority because of their low precision.
- D. If the standard SSM protocol is enabled, you need to set the clock source ID.
Answer: D
NEW QUESTION 72
Which of the following overhead bytes needs to be processed at an electrical regeneration site?
- A. All of the above
- B. SM
- C. PM
- D. TCM
Answer: A
NEW QUESTION 73
Which of the following alarms does not trigger the AU-AIS alarm?
- A. AU-LOP
- B. MS-AIS
- C. B2-EXC
- D. R-LOS
Answer: A
NEW QUESTION 74
When LMSP is configured, there are two switching modes: single-ended switching and dual-ended switching. The protection protocol does not need to be enabled for single-ended switching.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 75
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