(single) When the MA5600T/MA5603T device needs to be maintained and managed locally, you can log in to the system through the local serial port. Which interface is the RS-232 serial cable RJ-45 network port connector connected to?

• A.Maintain the network port of the PC
• B."ETH" port on the main control board
• C."ESC" port on the main control board
• D."CON" port on the main control board

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About MA5600T/MA5680T Ethernet link aggregation, which of the following statement is wrong?

• A.support link aggregation of load-sharing mode and unload-sharing mode (master/standby mode)
• B.support manually configuration and static LACP link aggregation, does not support dynamic LACP link aggregation.
• C.does not support cross-board aggregation
• D.Maximum support 512 aggregation groups, each aggregation includes up to eight physical ports.

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(single) Is the following description correct? Triple play in the MA5600T supports the triple play mode of single PVC and the triple play mode of multiple PVCs for xDSL access mode.

• A.True
• B.False

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(multiple) Which of the following reasons may cause a voice user to pick up the phone without a dial tone?

• A.External line failure
• B.No voice file loaded
• C.Data error
• D.Device port hardware failure

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(single) When IPTV services are deployed on the MA5600T, the IPTV service quality is better guaranteed. Which of the following services has the highest QOS priority configured?

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

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