在OSPF 中，Stub area 与Total Stub area 的区别在于对哪类LSA 的处理不同（）
第1题：
A.LSA type 1
B.LSA type 2
C.LSA type 3
D.LSA type 5
E.LSA type 7
第2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
第3题：
An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）
A. stub area
B. transit area
C. border area
D. not-so-stubby area
第4题：
A. On the ABR router ospf 10 area 3 stub
B. On all Area 3 routers router ospf 10 area 3 stub
C. On all Area 3 routers router ospf 10 area 3 stub no - summary
D. On the ABR router ospf 10 area 3 nssa
E. On the ABR rou ter ospf 10 area 3 stub no - summary
第5题：
A. OSPF process ID
B. OSPF router ID
C. OSPF network type
D. OSPF memory usage
E. OSPF CPU utilization
F. OSPF stub area configurations
第6题：
A. area 0 stub o n routers R4 and R5
B. area 5 stub on routers R4 and R5
C. area 5 stub no - summary on routers R4 and R5
D. area 0 stub no - summary on router R4 and area 5 stub no - summary on router R5
E. area 5 stub no - summary on router R4 and area 5 stub on router R5
第7题：
A. retransmit - interval
B. de ad - interval
C. stub area
D. virtual link
E. NSSA area
第8题：
此题为判断题(对，错)。
第9题：
A. A virtual link to area 0.
B. OSPF summarization command.
C. default - cost extension to the area command.
D. no - summary extension to the area stub comm and.
E. None of the other alternatives apply
第10题：
Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router？（）