Which of the following do northbound interface types that U2000 provide for network management include? (Multiple choice)

• A.XML NBI
• B.SNMP alarm NBI
• C.TL1 NBI
• D.CORBA NBI

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The vlan of the user side is usually converted to vlan on the MA5680T service board. What are the vlan conversion methods?

• A.add-double
• B.transparent
• C.translate
• D.translate-and-transparent

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On the MA5600T IPTV deployment, in order to better ensure the quality of IPTV business.Which of the following business QOS will configure the highest priority?

• A.Internet
• B.BTV,VOD and Internet
• C.VOD
• D.BTV and VOD

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(single) Is the following description correct? In the EPON network, in order to avoid data collision and improve network utilization efficiency, the TDMA multiple access mode is adopted in the downlink direction and the data transmission of each ONU is arbitrated.

• A.True
• B.False

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About the statements of VP and VC of ATM network, which of the following is correct?

• A.VPI has the same number of bits in all cells, the same as VCI;
• B.VC may comprise a plurality of VP;
• C.There is no logical connection between VP and VC.
• D.VP may comprise a plurality of VC;

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