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
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相关考题
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单项选择题
DuringOSPFadjacencyformation，whatstateisarouterinwhenitissendingLSAheaderinformationtoitsneighbor？（）
A. Init
B. 2Way
C. ExStart
D. Exchange -
单项选择题
WhichstatementistrueaboutthefrequencyofOSPFLSAtransmissions？（）
A. They are configured per OSPF area.
B. They are configured per virtual router.
C. They are configured per OSPF process.
D. They are configured per OSPF interface. -
单项选择题
Whattypeofroutercannotexistwithinastubarea？（）
A. ABR
B. ASBR
C. internal router
D. non-backbone router
