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When planning a 1+1 HSB, corresponding planning principles should be followed. Which of the following are not planning principles for HSB?
When planning a 1+1 HSB, corresponding planning principles should be followed. Which of the following are not planning principles for HSB?A . If the protection type is recovery, it is recommended to set the waiting recovery time to 5 to 12 minutes. The recommended setting is the default value of...
Which of the following statements is wrong about the test items of IEEE 1588V2 time protection function?
Which of the following statements is wrong about the test items of IEEE 1588V2 time protection function?A . The active and standby states of the clock board and cross-connect board on the OptiX OSN 8800 are related to each other. When performing a switchover test, it is recommended to only...
While expanding the existing network wave distribution system, which of the following performances do not need to be evaluated?
While expanding the existing network wave distribution system, which of the following performances do not need to be evaluated?A . PMD parameters of the linkB . Optical power of OTU/OAC . BER of OTU before error correction at the receiving endD . Optical power flatness at the receiving end (with...
In what order do the downstream signals flow through the functional blocks of the SL16 circuit board?
In what order do the downstream signals flow through the functional blocks of the SL16 circuit board?A . SPI, RSE, MST, MSP, MSA, HPTB . HPT, MSA, MST, RST, SPIC . SPL, MST, RST, MSP, MSA, HPTD . HPI, MSP, MSA, MST, RST, SPIView AnswerAnswer: A
What network problems can’t QoS solve?
What network problems can’t QoS solve?A . Business single widthB . Delay jitter in transmissionC . Packet loss rateD . Transmission resourcesView AnswerAnswer: D
In general, which PHB is used for signaling?
In general, which PHB is used for signaling?A . CS7, CS6B . EFC . BED . AF1, AF2, AF3, AF4View AnswerAnswer: A
Which of the following descriptions of electrical layer protection ODUk SNCP and branch SNCP is different?
Which of the following descriptions of electrical layer protection ODUk SNCP and branch SNCP is different?A . Cross-grainB . Scope of protectionC . Protecting SubtypesD . Working PrincipleView AnswerAnswer: B
In SDH networks, the S1 byte is used to transmit synchronization status information. Which of the following S1 byte values represents the G811 recommended clock?
In SDH networks, the S1 byte is used to transmit synchronization status information. Which of the following S1 byte values represents the G811 recommended clock?A . Ox00B . Ox02C . Ox04D . Ox0bE . OxOfView AnswerAnswer: B
Back-to-back OTM sites, three new relay wavelengths are added. The schematic diagram is as follows. Which of the following statements is wrong?
Back-to-back OTM sites, three new relay wavelengths are added. The schematic diagram is as follows. Which of the following statements is wrong? A . No impact on OTM site up and down servicesB . The input optical power of the optical amplifier board does not need to be adjustedC ....
Which of the following is not a single-layer board?
Which of the following is not a single-layer board?A . Optical Add/Drop Multiplexing BoardB . Optical monitoring channel boardC . Spectral analysis boardD . Business processing boardView AnswerAnswer: D
