单项选择题
If all OSPF routers on a broadcast network have the same OSPF priority, what parameter is used to determine the new BDR at the time of a DR failure?（）
A. area ID
B. router ID
C. loopback address
D. IP address of interface on broadcast network
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相关考题
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单项选择题
What is the purpose of the OSPF link-state update packet?（）
A. describes a change to the OSPF hello timer
B. carries one or more link-state advertisements
C. establishes and maintains neighbor relationships
D. describes the contents of the entire link-state database -
单项选择题
Why would you make a non-backbone area a stub or not-so-stubby area?（）
A. to aggregate routes learned from the ABR
B. to lower the cost of routes advertised by the ABR
C. to connect a non-contiguous area to the backbone
D. to decrease the size of the link-state database in that area -
单项选择题
During OSPF adjacency formation, in what state is a router when it is negotiating to be in charge of the database synchronization process?（）
A. Init
B. 2Way
C. ExStart
D. Exchange
