(single) Regarding the MA5600T/MA5680T Ethernet access service board, which of the following statements is correct?

• A.H801ETHB supports Ethernet cascading and Ethernet uplink
• B.None of the above
• C.H801ETHA, H801ETHB support Ethernet cascading and Ethernet uplink
• D.H801ETHA supports Ethernet cascading and Ethernet uplink

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In UA5000 of PVM as the main control board machine box, which of the following statement about the user board is correct?

• A.If it is ASL board, it needs to manually add; if it is A32 board, it is automatically discovered
• B.If it is A32 board, it needs to be added manually; if the ASL board, it is automatically discovered
• C.must be added manually
• D.Auto Discovery

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(single) Which of the following statements about 802.1Q is incorrect?

• A.802.1Q Ethernet frame is 4 bytes more than ordinary Ethernet frame
• B.There are only 4 VLAN priorities in the 802.1Q Ethernet frame structure.
• C.The TPID value in the A.802.1Q Ethernet frame structure is 8100.
• D.In theory, the VLAN ID ranges from 0 to 4095.

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(single) Is the following description correct? VDSL2 provides uplink and downlink symmetric/asymmetric transmission rates on a pair of twisted pairs, with a transmission distance of about 3 km, a maximum downlink rate of 52 M (symmetric rate), and a maximum uplink rate of 12 M (asymmetric rate).

• A.False
• B.True

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(single) In order to ensure the traceability of the user and the refined QoS control management based on the user and the service, the Internet access service is planned in the manner of PUPSPV (per user per service per VLAN), and the attributes of the SVLAN on the OLT are recommended to be configured. Kind?

• A.smart
• B.stacking
• C.QinQ
• D.common

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