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單項選擇題

A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. What action will the router take？（）

A.forwards the packet
B.fragments the packet
C.drops the packet silently
D.drops the packet and sends an ICMP message

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單項選擇題

Which routing table stores IPv6 routes？（）

A.inet.0
B.inet.2
C.inet6.0
D.inet.v6
E.ip-net.0

單項選擇題

Which routers must be configured with the same authentication string when configuring OSPF authentication？（）

A.all routers on a link
B.all routers in an area
C.all external OSPF peers
D.all routers in an OSPF domain