The sequence of downlink signals, which of the flowing through the functional blocks of the SL16 circuit board?

The sequence of downlink signals, which of the flowing through the functional blocks of the SL16 circuit board?A . SPI, RST, MST, MSP, MSA, HPT B. HPT, MSA, MSP, MST, RST, SPI C. SPI, MST, RST, MSP, MSA, HPT D. HPT, MSP, MSA, MST, RST, SPIView AnswerAnswer: A

July 10, 2023 No Comments READ MORE +

In the 40-wavelength system of the WDM equipment, due to the aging of the optical cable of the customer, the optical cable between the 2# and 3# sites need to be replaced, and the 4# optical amplifier site needs to be added between 2# and 3#. Which of the following statements is correct?

In the 40-wavelength system of the WDM equipment, due to the aging of the optical cable of the customer, the optical cable between the 2# and 3# sites need to be replaced, and the 4# optical amplifier site needs to be added between 2# and 3#. Which of the following...

July 9, 2023 No Comments READ MORE +

Share the business of VCTRUNK. To achieve business isolation, what isolation methods can we adopt? (Multiple choice)

Share the business of VCTRUNK. To achieve business isolation, what isolation methods can we adopt? (Multiple choice)A . MAC address B. VLAN ID C. MPLS Label Switching D. QINQ VLAN nestingView AnswerAnswer: BCD

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Which of the following protections in microwave equipment does not require dual slots?

Which of the following protections in microwave equipment does not require dual slots?A . SD B. FD C. HSB D.SD+FDView AnswerAnswer: C

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Which of the following statements about PTN's VPLS technology is wrong?

Which of the following statements about PTN's VPLS technology is wrong?A . VPLS (Virtual Private LAN Services, virtual private LAN service), is a service that provides LAN-like services on an MPLS (Multiprotocol Label Switching, Multiprotocol Label Switching) network B. VSI is a virtual layer 2 forwarding entity, which defines the...

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When Huawei OTN is interconnected with ZTE OTN equipment, the ODU0 and ODU1 time slots of Huawei OTN equipment adopt sequential mode. Which of the following statements is correct? (Multiple choice)

When Huawei OTN is interconnected with ZTE OTN equipment, the ODU0 and ODU1 time slots of Huawei OTN equipment adopt sequential mode. Which of the following statements is correct? (Multiple choice)A . The order of ODU1 is the same B. The order of ODU1 is different C. The order of...

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Which of the following operations may be a bit error due to nonlinear effects?

Which of the following operations may be a bit error due to nonlinear effects?A . Replace the optical amplifier board at the transmit end with a Raman board, and the bit error of the OTU board is reduced B. Increase the gain of the optical amplifier at the transmitting end,...

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In the Linux system, configure an IP address 129.9.1.100 for the network card Eth0, and use which of the following command?

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

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The OTU2 frame length is about four times the OTU1 frame length

The OTU2 frame length is about four times the OTU1 frame lengthA . TRUE B. FALSEView AnswerAnswer: B

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For 10G and coherent 100G mixed transmission systems, which of the following description is correct?

For 10G and coherent 100G mixed transmission systems, which of the following description is correct?A . It is recommended to use long wavelengths for 10G channels and short wavelengths for 100G channels B. Commissioning needs to be carried out according to the commissioning requirements of 100G, that is, non-standard in-fiber...

July 7, 2023 No Comments READ MORE +