單項(xiàng)選擇題

Based on the following output in R1， which statement is true？（）

A.If a labeled packet arrives with the top most label of 17， it will be replaced with label 19 and sent out on Ethernet 0/0 interface.
B.If a labeled packet arrives with the top most label of 19， it will be replaced with label 17 and sent out on Ethernet 0/0 interface.
C.If a labeled packet arrives with the top most label of 17， all the labels will be removed and a clear IP Packet is sent to Next Hop 192.168.0.14 on Ethernet 0/0.
D.None of the above.

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單項(xiàng)選擇題

The Outer.1Q tag represents customer VLAN ID and inner.1Q tag represents Provider VLAN？（）

A.The Outer.1Q tag represents customer VLAN ID and inner.1Q tag represents Provider VLAN （PVLAN ）
B.It is an effective way to achieve VLAN transparency between Provider and enterprise customer bytunneling one ser of VLAN tags inside a second VLAN tag
C.The Outer.1Q tag represents Service VLAN （PVLAN） and inner.1Q tag represents customer VLAN
D.QinQ is a way to hide native VLAN which can conflict with Provider native VLAN

單項(xiàng)選擇題

As described in rfc 3270，short-pipe mode operstion， the PE to CE egress polices are based upon：（）

A.topmost label exp value
B.customer marking
C.Innerrnost label exp value
D.Qos groups/discard class
E.remarked IP tos value
F.MDRR quantam

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Based on the following output in R1， which statement is true？（）

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The Outer.1Q tag represents customer VLAN ID and inner.1Q tag represents Provider VLAN？（）

As described in rfc 3270，short-pipe mode operstion， the PE to CE egress polices are based upon：（）

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Based on the following output in R1， which statement is true？（）

The Outer.1Q tag represents customer VLAN ID and inner.1Q tag represents Provider VLAN？（）

As described in rfc 3270，short-pipe mode operstion， the PE to CE egress polices are based upon：（）