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The main product currently promoted by the power OTN backbone communication network is ().
The main product currently promoted by the power OTN backbone communication network is ().A . OSN1800IIVB . OSN8800T32C . OSN9800M24D . OSN9800U32View AnswerAnswer: C
Protection range of ODUkSNCP Linear protection realized by dual transmission and selective reception
Protection range of ODUkSNCP Linear protection realized by dual transmission and selective receptionA . Line FiberB . OCH optical fiber, line optical fiberC . Circuit board, OCH optical fiber, line optical fiberD . Branch board, circuit board, OCH fiber, line fiberView AnswerAnswer: C
The actual effective bandwidth of EPON downstream is about 0.96G. If all users on a single PON port subscribe to 1000M packages, how many users can it support at most?
The actual effective bandwidth of EPON downstream is about 0.96G. If all users on a single PON port subscribe to 1000M packages, how many users can it support at most?A . 0B . 2C . 4D . 8View AnswerAnswer: A
What is the Wavenumber of commonly used continuous wavelength division multiplexing systems?
What is the Wavenumber of commonly used continuous wavelength division multiplexing systems?A . 4B . 8C . 16D . 32View AnswerAnswer: B
The SDH frame structure includes
The SDH frame structure includesA . Channel overhead, information payload, and segment overheadB . Regeneration section overhead, multiplexing section overhead, management unit pointer, information payloadC . Containers, virtual containers, reuse, mappingD . Regeneration section overhead, multiplexing section overhead, channel overhead, management unit pointerView AnswerAnswer: B
In Huawei's financial data center transmission solution, which of the following is mostly used for the five major banks, joint-stock banks, and local banks with large business volumes?
In Huawei's financial data center transmission solution, which of the following is mostly used for the five major banks, joint-stock banks, and local banks with large business volumes?A . OSN9800UPSB . OSN7500C . OSN1800VD . OSN12800View AnswerAnswer: A
Under the ADM configuration in the STM-16 level two-fiber bidirectional multiplex section shared protection ring, which of the following is the service protection situation?
Under the ADM configuration in the STM-16 level two-fiber bidirectional multiplex section shared protection ring, which of the following is the service protection situation?A . The two circuit boards back up each otherB . Half the capacity in one board is used to protect half the capacity in the other...
Which of the following descriptions of railway business network security and reliability requirements are incorrect ?
Which of the following descriptions of railway business network security and reliability requirements are incorrect ?A . TDM services and Ethernet services are physically isolated using different hard pipesB . Different Ethernet subsystems use ODUk physical pipes to isolate servicesC . E1 services are on the TDM plane, and IP...
The line impedance of the 2Mbps electrical interface is specified as
The line impedance of the 2Mbps electrical interface is specified asA . 75Ω (unbalanced)B . 120Ω (balanced)C . 75Ω (unbalanced) or 120Ω (balanced)D . None of the aboveView AnswerAnswer: C
The power OTN backbone communication network is mainly used to carry () services.
The power OTN backbone communication network is mainly used to carry () services.A . Scheduling AutomationB . Dispatch PhoneC . Data communication networkD . SCADAView AnswerAnswer: C
