Which routers must be configured with the same authentication string when configuring OSPF authentication？（）A、all routers on a linkB、all routers in an areaC、all external OSPF peersD、all routers in an OSPF domain

题目

Which routers must be configured with the same authentication string when configuring OSPF authentication？（）

A、all routers on a link
B、all routers in an area
C、all external OSPF peers
D、all routers in an OSPF domain

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相似问题和答案

第1题：

Which two statements best describes the role of a router on a broadcast domain?()

A.Routers facilitate communications within a broadcast domain.

B.Routers facilitate communications between broadcast domains.

C.Routers are used to break up broadcast domains into separate networks.

D.Routers are used to connect small broadcast domains and form larger more efficient broadcast domains

参考答案：B, C

第2题：

Which option is true when calculating round-trip delay in IP SLA operations？（）

A、The processing time on the end routers is only assessed for operations that involve the responder.
B、The processing time on the end routers is only assessed for operations that involve the transmitter.
C、The processing time on the end routers is only assessed for operations that involve both the responder and the transmitter.
D、The processing time on the end routers is not assessed for neither the responder nor the transmitter.

正确答案:A

第3题：

Which two statements are true by default of a multilevel IS－IS network?()

A. Level 1 only routers see routes contained in their area.

B. Level 1 routers route towards Level 2 routers due to the attached bit.

C. Level 2 routers route towards Level 1 routers due to the attached bit.

D. Level 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.

参考答案：A, D

第4题：

Which two series of routers can integrate security services， enable wireless networking， and simplify network management？（）

A、 Cisco 830 Series routers
B、 Cisco 850 Series routers
C、 Cisco 1700 Series Modular Access Routers
D、 Cisco 3800 Series Integrated Services Routers

正确答案:B,D

第5题：

Which statement is true about IBGP routers? （）

A、They must be fully meshed
B、They can be in a different AS
C、They must be directly connected

正确答案:C

第6题：

Which of the following is true about routers internal to a totally NSSA area?()

A. Routers cannot redistribute external routes into the area.

B. Routers should have zero Type 3 LSAs in their LSDBs.

C. Routers should have zero Type 5 LSAs in their LSDBs.

D. Routers should learn default routes from the ABRs attached to the area.

参考答案：C, D

第7题：

Which of the following is true about routers internal to a totally NSSA area?（）

A、Routers cannot redistribute external routes into the area.
B、Routers should have zero Type 3 LSAs in their LSDBs.
C、Routers should have zero Type 5 LSAs in their LSDBs.
D、Routers should learn default routes from the ABRs attached to the area.

正确答案:C,D

第8题：

Which routers must be configured with the same authentication string when configuring OSPFauthentication?()

A. all routers on a link

B. all routers in an area

C. all external OSPF peers

D. all routers in an OSPF domain

参考答案：A

第9题：

You need to configure two Company routers for high availability. Which protocol enables a group of routers to form a single virtual router and use the real IP address of a router as the gateway address？（）

A、 HSRP
B、 IRDP
C、 Proxy ARP
D、 GLBP
E、 VRRP
F、 None of the other alternatives apply

正确答案:E

第10题：

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

A、IS - IS is capable of supporting IPv4 and IPv6.
B、IS - IS is only capable of supporting IPv4 and CLNS.
C、IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.
D、IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.
E、Level 1 routers learn about paths within the area of which they are a part.
F、Level 2 routers learn about paths both within areas and between areas.

正确答案:A,E

Which routers must&#

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