The following description of discrete services, which are correct? (Multiple choice)

• A.Discrete service management requires the U2000 license to have path management functions.
• B.For a cross-connection, after the path search, it is either a discrete service or a path with other cross-connections, it is impossible to belong to both high-spread services and other cross-connections to form a path.
• C.Perform path search on the U2000 network management. Cross-connections that do not form a path are called discrete services.
• D.A service is searched for a discrete service, indicating that the service is not working properly on the network element side.

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Before querying the error and optical power on the network management, you need to perform the () operation. Otherwise, you cannot query the corresponding teaching data.

• A.Configuration data
• B.Create a logical fiber
• C.Turn on NE performance monitoring time.
• D.Synchronizing network metadata

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Which of the following SOM systems is not monitored?

• A.Receive OTU input optical power
• B.Main light path performance
• C.Type of originating FEC
• D.Light performance flatness

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During the configuration of the E-LAN, the "MAC Address Learning Mode" can be set to SVL and IVL. SVL is a stand-alone VLAN learning, and IVL is a shared VLAN learning.

• A.TRUE
• B.FALSE

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Which of the following Optical NE types are defined in U2000?

• A.WDM_OEQ
• B.WDM_OLA
• C.WDM OADM
• D.WDM_OTM

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