1NE1 is interconnected with NE2. NE1 uses OptiX SDH equipment and uses a VC4:1:2 timeslot. If the service can be opened normally, what is the VC12 timeslot number that the other end needs to use when using equipment from other manufacturers?

1NE1 is interconnected with NE2. NE1 uses OptiX SDH equipment and uses a VC4:1:2 timeslot. If the service can be opened normally, what is the VC12 timeslot number that the other end needs to use when using equipment from other manufacturers?A . 2-1-1B . 1_2_1C . 1_1_2D . 2_2_1View AnswerAnswer:...

March 27, 2025 No Comments READ MORE +

During the network acceptance test, it was found that OSN 3500 could work normally when connected to an external clock source, and entered the hold state when disconnected from the external clock source. However, the hold state could not last for 24 hours. Which of the following are the possible reasons?

During the network acceptance test, it was found that OSN 3500 could work normally when connected to an external clock source, and entered the hold state when disconnected from the external clock source. However, the hold state could not last for 24 hours. Which of the following are the possible...

March 24, 2025 No Comments READ MORE +

If both the bidirectional OA and OSC report a loss of light alarm in a WDM network, which is the most likely cause?

If both the bidirectional OA and OSC report a loss of light alarm in a WDM network, which is the most likely cause?A . One-way interruption of line optical fiberB . The line optical fiber is interrupted in both directionsC . Unidirectional degradation of line fiberD . Bidirectional degradation of...

March 19, 2025 No Comments READ MORE +

In the Linux system, configure an IP address 129.9.1.100 for the network card Eth0. Which of the following command is used?

In the Linux system, configure an IP address 129.9.1.100 for the network card Eth0. Which of the following command is used?A . ifconfig eth0 129.9.1.100B . ipconfig 129.9.1.100C . ipconfig eth0 129.9.1.100D . ifconfig 129.9.1.100View AnswerAnswer: A

March 17, 2025 No Comments READ MORE +

Which of the following descriptions about branch SNCP protection is wrong?

Which of the following descriptions about branch SNCP protection is wrong?A . When configuring a branch SNCP, you need to set the SNCP subtype.B . The crossover granularity is GE or Any signalC . Trigger conditions are: board not in place, SF, SDD . Branch SNCP protection uses the dual-transmit...

March 11, 2025 No Comments READ MORE +

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...

March 8, 2025 No Comments READ MORE +

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...

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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...

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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

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