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
In this case, is there any alarm reported inside the SDH network?
Network elements A, B, and C are OSN 3500s that form a chain network. The two AIC stations are connected to routers. The IPR router is connected to the OptiX SDH equipment through the STM-1 POS port. The PAS port also uses 1 and C2 bytes as payload transfer bytes...
The single-fiber bidirectional optical interface of the PTN equipment distinguishes upstream and downstream business flows based on time slots.
The single-fiber bidirectional optical interface of the PTN equipment distinguishes upstream and downstream business flows based on time slots.A . TRUEB . FALSEView AnswerAnswer: B