What are the main problems faced by the traditional subway MTSP embedded RPR solution?
(Multiple Choice)

• A.ARPR supports a maximum bandwidth of 1.25G per ring, and large bandwidth requirements are difficult to meet
• B.Does not support cross-board and cross-device protection
• C.Unable to communicate across rings and limited networking

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In the current broadcasting and television network transmission scenario, compared with traditional MTSP, PTN, OTN and other technologies, the biggest advantage of EPTN is that it takes into account efficiency, security and cost.

• A.True
• B.False

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The characteristics of power relay intelligent protection include (). (Multiple Choice)

• A.Transmission channel delay, service interruption time and bidirectional routing consistency requirements
• B.The number of 2MASON services opened is limited only by the network bandwidth
• C.Rerouting can be triggered based on low-level alarms
• D.Can carry relay protection business
• E.Can meet the differential protection business

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The networking architectures supported by SDH equipment include (). (Multiple Choice)

• A.Network structure
• B.Chain structure
• C.Ring structure
• D.Star structure

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When there are a large number of simulated services in the existing network, which of the following descriptions of Huawei transmission equipment is wrong?

• A.Support FE/GE/10GE and other interfaces
• B.Can provide video matrix function
• C.Analog/digital integrated load
• D.Support SDI/HD-SDI interface

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