单选题Which OSPF LSA type does an ASBR use to originate a default route into an area？（）ALSA 1BLSA 3CLSA 4DLSA 5ELSA 7

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单选题

Which OSPF LSA type does an ASBR use to originate a default route into an area？（）

LSA 1

LSA 3

LSA 4

LSA 5

LSA 7

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相似问题和答案

第1题：

根据OSPF协议规定,下列哪些LSA只在区域内传播()

A. Router LSA （ Type = 1 ）

B. Netwrok LSA （ Type = 2 ）

C. Network Summary LSA （ Type = 3 ）

D. ASBR Summary LSA （ Type = 4 ）

E. AS External LSA （ Type = 5 ）

参考答案：A, B

第2题：

OSPF路由协议TYPE5类LSA中adrrtr中地址为ASBR路由器ROUTEID.

正确答案:错误

第3题：

一台运行OSPF的路由器，它的两个正常工作的接口一个属于区域0，另一个属于区域9，并且重分布5条静态路由进入OSPF，则该路由器一定会始发哪些LSA（）

A.Router LSA（Type=1）；

B.Network LSA（Type=2）；

C.Network Summary LSA（Type=3）；

D.ASBR Summary LSA（Type=4）；

E.ASE xternal LSA（Type=5）；

正确答案：ACDE

第4题：

The OSPF External LSA for prefix x.x.x.x exists in the OSPF database， but the prefix is not installed in therouting table. Which are possible explanations？（）

A、Inbound distribute-list is configured under the ospf process and it is denying x.x.x.x
B、ASBR origination the LSA is not reachable
C、Route to the Forwarding Address in not an internal OSPF route
D、Route to the Forwarding Address is an internal OSPF route
E、Route to the ASBR does not follow the same path as the one to the Forwarding Address

正确答案:A,B,C

第5题：

Which two statements are true about IS -IS routing?（）

A、Based on the default timers, OSPF d etects a failure faster than IS - IS does.
B、OSPF default timers permit more tuning than IS - IS does.
C、IS - IS is more efficient than OSPF in the use of CPU resources.
D、OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.
E、IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.

正确答案:C,E

第6题：

Which OSPF LSA is used to support MPLS traffic engineering？（）

A、opaque LSA （Type 8）
B、opaque LSA （Type 9）
C、link LSA （Type 1）
D、network LSA （Type 2）
E、opaque LSA （Type 10）

正确答案:E

第7题：

The show ip ospf database external command displays information about which OSPF LSA type？（）

A、LSA type 1
B、LSA type 2
C、LSA type 7
D、LSA type 3
E、LSA type 9
F、LSA type 5

正确答案:F

第8题：

Refer to the exhibit. The partial configuration for an OSPF ASBR and an Area 0 ABR is shown. Assume the OSPF configurations throughout the network are operable. Which statement about these configurations is true? （）

A. The ASBR route - maps are basically useless, because there are no deny prefix - lists.

B. LSA Type 5s wil l not be received by the ABR from the ASBR.

C. The OSPF backbone will not learn any RFC 1918 addresses.

D. The matched prefix - list addresses will be given a metric of 255, which is essentially unreachable.

参考答案：C

第9题：

Which OSPF LSA type does an ASBR use to originate a default route into an area？（）

A、 LSA 1
B、 LSA 3
C、 LSA 4
D、 LSA 5
E、 LSA 7

正确答案:D

第10题：

Which of the following are not true OSPF LSA rules？（）

A、OSPF LSA type 5 triggers an LSA type 7 at an ABR between an NSSA and the backbone area
B、OSPF LSA type 1 triggers an LSA type 3 at an ABR.
C、OSPF LSA type 7 triggers an LSA type 5 at an ABR between an NSSA and the backbone area
D、OSPF LSA type 3 triggers an LSA type 4 at an ABR.
E、OSPF LSA type 5 triggers an LSA type 7 at an A5BR but only in N5SAs
F、OSFP LSA type 2 triggers an LSA type 3 at an ABR

正确答案:A,D,E

Which OSPF LSA type does an ASBR use to originate a default

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