The (radio) device periodically sends and receives LMCP packets to avoid information loss, and if packets are
not received during ( ) LACp packet interaction cycles, the system considers the port to be down

• A.5
• B.3
• C.4
• D.2

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(Radio) The following options, regarding the description of the H.248 connection model, are correct?

• A.A media gateway that supports only point-to-point connections can allow three or more endpoints to
  exist in the --association at the same time
• B.When the session between the two users ends, the corresponding association is used
• C.The connection model cannot be modified during a user session
• D.When the user call is successful, the empty connection starts to be created

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When the Type C dual home protection linkage uplink detection, if the OLT or OLT uplink fails, the Type C
dual home protection can be reversed to another OLT

• A.False
• B.True

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OLT can perform traffic shaping through service-port.

• A.True
• B.False

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The maximum spectroscopic ratio supported by 10G EPON is?

• A.1:64
• B.1:128
• C.1: 256 (Laboratory).
• D.1:32

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