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單項(xiàng)選擇題

Which service does the ERX Edge Router support with a virtual router?()

A.voice over IP
B.wholesale services
C.IP quality of service
D.SNMP management

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多項(xiàng)選擇題

What are two way sthat IP datagrams are passed from the ingress line module to the egress line module?（）

A.over an ATM PVC
B.over a FastEthernet bus
C.overa Gigabit Ethernet bus
D.over high speed serial bus

單項(xiàng)選擇題

You would like to install an OC -48c line module in an ERX 1440 Edge Router.Which slots can support this configuration（）

A.0 and 1
B.1 and 2
C.2 and 3
D.3 and 4