- All Exams Instant Download
When PWE3 emulates TDM services, when the UNI side interface uses CRC4-multiframe access, which emulation method does PWE3 use?
When PWE3 emulates TDM services, when the UNI side interface uses CRC4-multiframe access, which emulation method does PWE3 use?A . 1 to 1 encapsulation B. CESOPSN C. N to 1 encapsulation D. SAToPView AnswerAnswer: B
Which of the following performances do not need to be evaluated when expanding the wavelength division system of the existing network?
Which of the following performances do not need to be evaluated when expanding the wavelength division system of the existing network?A . PMD parameters of the link B. Bit error rate before error correction of OTU at the receiving end C. Optical power flatness at the receiving end (with MCA...
What operation does the PROG indicator of the NG WDM device board blink rapidly (green) indicate?
What operation does the PROG indicator of the NG WDM device board blink rapidly (green) indicate?A . Single board hardware failure B. Business is not working properly C. There is an important alarm on the board D. Write FLASH operation or software loading in progressView AnswerAnswer: D
Which of the following maintenance signals is not a proactive OAM?
Which of the following maintenance signals is not a proactive OAM?A . RDI B. AIS C. LT D. CCView AnswerAnswer: C
In the following OTN frame structure overhead, which item represents the path tracing identifier?
In the following OTN frame structure overhead, which item represents the path tracing identifier?A . BDI B. TTI C. BIP8 D. GCCOView AnswerAnswer: B
Which of the following statements about the main and backup channels of optical line protection is wrong?
Which of the following statements about the main and backup channels of optical line protection is wrong?A . "Initial Difference Between Active and Standby Channels (dB)"―the reference value used to set the optical power difference between the active and standby channels of the board. B. "Master-standby channel difference threshold (dB)"...
Which of the following descriptions about optical line protection is wrong?
Which of the following descriptions about optical line protection is wrong?A . Optical line protection is double-ended switching. In the case of a single optical fiber interruption, there will be no inconsistency in sending and receiving routes. B. Use the OLP board to configure optical line protection. The RI1/T01 optical...
The path at the GE level is essentially a path at the Client level.
The path at the GE level is essentially a path at the Client level.A . True B. FalseView AnswerAnswer: A
Which of the following description of the 100G mixed transmission system is wrong?
Which of the following description of the 100G mixed transmission system is wrong?A . Coherent and non-coherent signals (10G and 40G ODB will affect each other, resulting in a sharp drop in performance, and isolation bands are necessary) B. 40G DQPSK and coherent signals will not affect each other without...
The two-fiber bidirectional multiplex section shared protection ring requires the active and standby boards to be inserted into the dual slot.
The two-fiber bidirectional multiplex section shared protection ring requires the active and standby boards to be inserted into the dual slot.A . True B. FalseView AnswerAnswer: A
