When the PITP protocol selects V mode authentication, which of the following options are available in the authentication stage? (Multiple choice)

• A.Certification Phase
• B.Session interruption phase
• C.Discovery Phase
• D.Conversation Phase

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What protocol does Huawei network management U2000 use to realize the management of network elements OLT and ONu?

• A.SNMP
• B.IGMP
• C.FTP
• D.oMcI

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GPON and 10G GPON use the same ODN network, but GPON and 10G GPON are two independent and interference-free channels that exist at the same time and work at the same time; each has its own bandwidth.

• A.True
• B.False

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An IPTV user reports that the TV cannot be watched. Turn on the debugging switch on the OLT side, and the debugging print information is as follows:
Huawei(config)

Can be judged by the query results:

• A.The user does not have rights to view program
• B.poN port multicast bandwidth is insufficient
• C.IGMP version does not match
• D.User bandwidth verification failed

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The stages and sequence of the general network design meeting are

• A.Planning stage-->Network outline design stage-->Information collection stage-->Network detailed design stage-->Network deployment design stage
• B.Planning stage-->Information collection stage-->Network outline design stage-->Network detailed design stage-->Network deployment design stage
• C.Information collection stage-->Planning stage-->Network deployment design stage-->Network detailed design stage-->Network outline design stage
• D.Information collection stage-->Planning stage-->Network outline design stage-->Network detailed design stage-->Network deployment design stage

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