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what does BGP 

题目

what does BGP neighbor in active state mean？

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相似问题和答案

第1题：

A BGP connection is being established.What happens if the local router and the peer router do NOT have the same hold－time value configured?()

A. The BGP session does not establish.

B. The hold time is assumed to be infinite.

C. The larger of the two hold-time values is used.

D. The smaller of the two hold-time values is used.


参考答案：D

第2题：

What best explains the BGP route-reflector function？（）

  • A、BGP route-reflector should be in forwarding path of data coming from its clients
  • B、BGP route-reflector does not have to be in the forwarding path of data coming from its clients
  • C、BGP route-reflector will stop reflecting the routes if they’re not directly-connected clients
  • D、None of the above

正确答案:B

第3题：

Which action does a BGP speaker take when it detects that the reset state bit is set in an openmessage?()

A. It tears down the BGP session.

B. It sends a restart message to the peer.

C. It marks all routes from that peer as stale.

D. It sends a BGP refresh message to the peer


参考答案：C

第4题：

Which two options does Cisco PfR use to control the entrance link selection with inbound  optimization？（）

  • A、Prepend extra AS hops to the BGP prefix.
  • B、Advertise more specific BGP prefixes（longer mask）.
  • C、Add（prepend）one or more communities to the prefix that is advertised by BGP.
  • D、Have BGP dampen the prefix.

正确答案:A,C

第5题：

In BGP routing，what does the rule of synchronization mean？（）

  • A、A BGP router can only advertise an EBGP learned route，provided that the route is an IGP route in the routing table.
  • B、A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route in the routing table.
  • C、A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route that is not in the routing table.
  • D、A BGP router can only advertise an EBGP learned route，provided that the route is a metric of 0 in the BGP table.

正确答案:B

第6题：

Which of the following may illustrate the difference between "competence" and__________ "performance"?

A．What a person "knows" and what he/she "does".
B．What a person "can do" and what he/she "does".
C．What a person "does" and what he/she "knows".
D．What a person "does" and what he/she "can do".

答案：A
解析：
考查语言学知识。competence“语言能力”，指语言使用者对于语言规则系统的潜在意识；performance“语言运用”，指在具体场景中语言的实际运用，二者对应的分别为“knows”和“does”。故选A。

第7题：

What is BGP synchronization？


正确答案: The rule of synchronization states the following：
Before a route learned from an IBGP neighbor is entered into the IP routing table or is advertised to a BGP peer， the route must first be known via IGP.

第8题：

A BGP router is configured with bgp dampening 8 300 1500 20 route－map 1 .What does the value of 20 represent?()

A. reuse

B. suppress

C. half-life

D. max-suppress-time


参考答案：D

第9题：

“吃水”这个词用英语怎么说？（）

  • A、What does “chi shui” mean in English?
  • B、What does “chi shui” stand for?
  • C、What’s “chi shui” in English?

正确答案:C

第10题：

Why does the bgp summary command always carry the as-set keyword？


正确答案:BGP route Aggregation may causes the loss of path information such as AS-path .AS-SET is used for loop-prevention while aggregation happen. When AS-SET is performed， the aggregate route contain an unordered AS number list along the path to the destination.

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