單項(xiàng)選擇題Which OSPF LSA type does an ASBR use to originate a default route into an area？（）

A.LSA 1
B.LSA 3
C.LSA 4
D.LSA 5
E.LSA 7


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1.多項(xiàng)選擇題Which two of these parameters are used to determine a forwarding equivalence class？（）

A.IP prefix
B.Layer 2 circuit
C.RSVP request from CE for bandwidth reservation
D.BGP MED value

2.單項(xiàng)選擇題Which one of these statements is true of OSPF type 5 LSAs？（）

A.They are used to summarize area routes to other areas.
B.They are used in not-so-stubby areas to propagate external routes.
C.They are used to notify areas of the ASBR.
D.They are flooded to all areas except stub areas （external route）.

3.單項(xiàng)選擇題During the IPv6 address resolution， a node sends a neighbor solicitation message in order to discover which of these？（）

A.The Layer 2 multicast address of the destination node
B.The solicited node multicast address of the destination node
C.The Layer 2 address of the destination node based on the destination IPv6 address
D.The IPv6 address of the destination node based on the destination Layer 2 address