Which of the following descriptions about the PTN network deployment ring network intersecting ring are correct?
Correct : A, B, C
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Where in the L2/L3 node is the VLAN in the Layer 2 header stripped in the packet sent by the base station in the LTE solution?
Correct : A
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Which of the following is a common wavelength in optical communication?
Correct : B
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Which of the following is the destination MAC address of the Layer 2 header of the data received by the PTN960 from the LTE base station?
Correct : C
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When the device reports the PW_APS_DEGRADED alarm, what is the problem with the LTE service carried by the station?
Correct : A
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