A. All OSPF implementations must have at le ast one interface in area 0.
B. You are attempting to run in the broadcast mode over an NBMA interface.
C. Both routers are configured to function as a BDR; therefore, there is no DR router.
D. Someone has changed the OSPF router ID; therefore you must clear the OSPF process.
E. The OSPF priority is set to 0 on both routers; therefore neither can become the DR.
第1题
A. Show vlan
B. Show mac-address-table
C. Show vtp status
D. show spanning-tree root
E. show ip interface brief
第2题
A.active
B.speak
C.learn
D.listen
E.init
F.standby
第3题
A.anedgeportthattransitionstotheforwardingstate
B.anon-edgeportthattransitionstotheblockingstate
C.anon-edgeportthattransitionstotheforwardingstate
D.anedgeportthattransitionstotheblockingstate
E.anyportthattransitionstotheblockingstate
F.anyportthattransitionstotheforwardingstate
第4题
A. It is used with the OSPF priority values to determine which OSPF router will become the DR or BOR in a point-to-point network
B. It is used with the OSPF priority values to determine which interface will be used to form a neighbor relationship with another OSPF router
C. It is used with the OSPF priority values to determine which router will become the DR or BOR in a multi access network
D. It is used to determine which interfaces will send Hello packets to neighboring OSPF routers
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