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What kind of information does a router running a link-state

题目
多选题
What kind of information does a router running a link-state routing protocol need to create and maintain its topological database?（）
A

LSAs from other routers

B

Beacons received on point-to-point links

C

hello packets

D

Routing tables received from neighbors

E

SAP packets sent by other routers

F

TTL packets from exclusive routers

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相似问题和答案

第1题：

What kind of person does the writer seem to be? ( )

A．She is mainly interested in making money．

B． She thinks running a business a different job．

C． She seems to be successful but unhappy．

D． She seems to be someone with strong confidence．


正确答案：D
D[解析]根据文章的内容我们可以推断出作者对于她自己的思想和事业都非常有信心，所以D选项符合文章内容。ABC项都无法从文中推断。所以答案选D。

第2题：

What kind of information does a router running a link－state routing protocol need to create and maintain its topological database?()

A. LSAs from other routers

B. Beacons received on point-to-point links

C. hello packets

D. Routing tables received from neighbors

E. SAP packets sent by other routers

F. TTL packets from exclusive routers


参考答案：A, C

第3题：

What kind of people does "secret Santas" in the passage refer to?

(No more than 12 words) (3 marks)


正确答案：

It refers to people who give away anonymous gifts on Christmas

第4题：

What does“meteorological experts”mean in paragraph three?_______

A．predictors

B．witch

C．weatherman

D． a kind of Englishman


正确答案：C
“meteorological experts”为“气象专家”，所以C正确。

第5题：

Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information?()

A. the amount of available ROM

B. the amount of available flash and RAM memory

C. the version of the bootstrap software present on the router

D. show version

E. show processes

F. show running-config


参考答案：B, D

第6题：

After implementing EIGRP on your network, you issue the show ip eigrp traffic command on router C. The following output is shown:What information can you determine about this network?()

A. The network is stable

B. There is a flapping link or interface, and router C knows an alternate path to the network

C. There is a flapping link or interf ace, and router C does not know an alternate path to the network

D. EIGRP is not working correctly on router C

E. There is not enough information to make a determination


参考答案：B

第7题：

What kind of message does a PING send out to test connectivity?()

A. ICMP echo request

B. Information interrupt request

C. Timestamp reply

D. Source quench

E. None of the above


参考答案：A

第8题：

By default, how often does an ERX Edge Router send an OSPF link－state advertisement in a stable network?()

A.A

B.B

C.C

D.D


参考答案：D

第9题：

What information does a router running a link－state protocol use to build and maintain its topological database?()

A. hello packets

B. SAP messages sent by other routers

C. LSAs from other routers

D. beacons received on point-to-point links

E. routing tables received from other link-state routers

F. TTL packets from designated routers


参考答案：A, C

第10题：

Which of the following data structures exist on a router for the OSPF routing protocol？（）

  • A、OSPF topology table
  • B、OSPF interface table
  • C、OSPF routing information base
  • D、OSPF link-state database
  • E、OSPF adjacency table
  • F、OSPF neighbor table

正确答案:B,C,D,F

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