多选题When multiple PPP over Ethernet subscribers connect using the same DSL modem, which two attributes does the ERX use to differentiate between subscribers? （）(Choose two.)APPP session IDBsubscriber nameCsource MAC addressDdestination MAC address
多选题
When multiple PPP over Ethernet subscribers connect using the same DSL modem, which two attributes does the ERX use to differentiate between subscribers? （）(Choose two.)
A
PPP session ID
B
subscriber name
C
source MAC address
D
destination MAC address
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