Which of the description about the POL and the traditional LAN network is wrong?

• A.Traditional LAN network access switches are replaced by ONU/ONT of the POL network
• B.The traditional LAN network core switch is replaced by the OLT of the POL network
• C.Traditional LAN network copper wire connection is replaced by optical fiber of the POL network
• D.Traditional LAN network connection convergence switches are replaced by passive light in the POL network

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In the current RPR ring network model in the subway field, a reverse double-ring structure is adopted. What is the bandwidth of the double-ring?

• A.10G
• B.1.25G
• C.2.5G
• D.622M

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Which of the following suppliers does not support dual-plane solutions?

• A.ALU
• B.H3C
• C.Huawei
• D.ZTE

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Support MPLS-TP standard packet switching technology, through statistical multiplexing, etc., can efficiently carry high-bandwidth data services such as video images, office automation and other highways.

• A.TRUE
• B.FALSE

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Which of the following statements about ASON technology is wrong?

• A.Through the introduction of ASON technology, it can resist multiple network failures, and there is a way to pass
• B.The existing network can be evolved, and the ASON function can be realized through software loading
• C.ASON can effectively improve resource utilization through dynamic bandwidth allocation
• D.ASON improves network reliability by reducing the efficiency of network resource usage

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