EA5800/MA5800 only supports IGP-proxy, not IGMP-snooping.

• A.False
• B.True

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GPON only supports downlink AES-128 encryption, XG-PON supports bidirectional AES-128 encryption

• A.TRUE
• B.FALSE

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In the GPON system, Huawei recommends not to use the optical splitter above level 2, which of the following networking are wrong? (Multiple choice)

• A.First-level splitting 1:32, second-level splitting 1:16
• B.First-level splitting 1:2, second-level splitting 1:8
• C.First-level splitting 1:8, second-level splitting 1:64
• D.First-level splitting 1:2, second-level splitting 1:16

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The downstream wavelengths in the 10G GPON system is _____.

• A.1270nm
• B.1310nm
• C.1490nm
• D.1577nm

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In ACL, if you need to filter the data packet based on the source IP address information, destination IP address information, port number and other information of the data packet, then create the ACL number range:

• A.5000-5999
• B.4000-4999
• C.3000-3999
• D.2000-2999

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