多选题To make OSPF area 4 totally stubby, the following command was issued on the ABR in router configuration mode: area 4 stub.Which two things need to be done to finish making area 4 a totally stubby area?（）AApply the area 4 stub command to all routers in the areaBOn the ABR, use the area 4 stub command with the no - summary keywordCOn the ABR, specify a default cost for the area with the area default - cost commandDOn the ABR, use the default - information originate command to inject a default route into area 4EUse the auto - cost command on each router in the area to automatically determine the cost to other OSPF areas
多选题
To make OSPF area 4 totally stubby, the following command was issued on the ABR in router configuration mode: area 4 stub.Which two things need to be done to finish making area 4 a totally stubby area?（）
A
Apply the area 4 stub command to all routers in the area
B
On the ABR, use the area 4 stub command with the no - summary keyword
C
On the ABR, specify a default cost for the area with the area default - cost command
D
On the ABR, use the default - information originate command to inject a default route into area 4
E
Use the auto - cost command on each router in the area to automatically determine the cost to other OSPF areas
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