CCNA系列认证
多选题What are two benefits of using a single OSPF area network design?（）Ait reduces the number of required OSPF neighbor adjacenciesBIt reduces the types of LSAs that are generatedCIt is less CPU intensive for routers in the single areaDIt increases LSA res
题目
it reduces the number of required OSPF neighbor adjacencies
It reduces the types of LSAs that are generated
It is less CPU intensive for routers in the single area
It increases LSA response times.
It removes the need for virtual links
参考答案和解析
相似问题和答案
第1题：
A. It confines network instability to a single area of network.
B. It increases the routing overhead of the network
C. It supports VLSM
D. It routes between Autonomous Systems.
E. It allows extensive control of routing updates
F. None of the above
第2题：
A.network 0.0.0.0 255.255.255.255 area 0
B.network 0.0.0.0 0.0.0.0 area 0
C.network 255.255.255.255 0.0.0.0 area 0
D.network all-interfaces area 0
第3题：
Refer to the exhibit. OSPF is configured on all routers in the network. Area 5 is configured as an NSSA areA. The RIPv2 routes are redistributed into the OSPF domain on router R5. What two types of LSAs will be originated by router R5?（）
A. type 1 Router LSA
B. type 2 Network LSA
C. type 3 Network Summary LSA
D. type 4 ASBR Summary LSA
E. type 5 AS External LSA
F. type 7 NSSA External LSA
第4题：
OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?（）
- A、Each OSPF area requires a loopback interface to be configured.
- B、Areas may be assigned any number from 0 to 65535.
- C、Area 0 is called the backbone area.
- D、Hierarchical OSPF networks do not require multiple areas.
- E、Multiple OSPF areas must connect to area 0.
- F、Single area OSPF networks must be configured in area 1.
正确答案:B,C,E
第5题：
What are some of the characteristics of the OSPF routing protocol?（）
- A、It confines network instability to a single area of network.
- B、It increases the routing overhead of the network
- C、It supports VLSM
- D、It routes between Autonomous Systems.
- E、It allows extensive control of routing updates
- F、None of the above
正确答案:A,C,E
第6题：
A. It confines network instability to a single area of network.
B. It increases the routing overhead of the network
C. It supports VLSM
D. It routes between Autonomous Systems.
E. It allows extensive control of routing updates
第7题：
A. Each OSPF area requires a loopback interface to be configured.
B. Areas may be assigned any number from 0 to 65535.
C. Area 0 is called the backbone area.
D. Hierarchical OSPF networks do not require multiple areas.
E. Multiple OSPF areas must connect to area 0.
F. Single area OSPF networks must be configured in area 1.
第8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9题：
Which description regarding OSPF Network LSAs is correct?（）
- A、They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.
- B、They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.
- C、They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.
- D、They are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.
正确答案:C
第10题：
When verifying OSPF virtual link problems, which is an important item to check on the two transit OSPF routers?（）
- 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
正确答案:B