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What are two advantages of BGP route aggregation?（） (Choose

题目
多选题
What are two advantages of BGP route aggregation?（） (Choose two.)
A

It can reduce routing table size.

B

It allows for optimal route selection.

C

It can reduce the number of routing updates.

D

It always shortens the attribute list for the aggregated route.

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相似问题和答案

第1题：

What are two uses of the AS Path attribute?() (Choose two.)

A. route selection

B. loop avoidance

C. determining equal cost paths for reachablilty

D. defining the application of other BGP attributes


参考答案：A, B

第2题：

What are two alternatives to configuring a full mesh of IBGP peers within your AS? ()(Choose two.)

A.multihop

B.communities

C.confederations

D.route reflection


参考答案：C, D

第3题：

Which two types of nodes are included in an MPLS explicit route? ()(Choose two.)

A.peer

B.strict

C.loose

D.system


参考答案：B, C

第4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5题：

What are two instances when a WX device route carves? ()(Choose two.)

A. It occurs every 29 hours.

B. Packet interception mode is enabled.

C. The host is unreachable on the local subnet.

D. The subnet is unreachable using the advertised router.


参考答案：C, D

第6题：

Which two reflect best practices for client peering sessions in a BGP route reflection network? ()(Choose two.)

A. peer with route-reflectors within the cluster

B. peer with route-reflectors outside the cluster

C. peer with route-reflector-clients within the cluster

D. peer with route-reflector-clients outside the cluste


参考答案：A, C

第7题：

What are two advantages of BGP route aggregation?() (Choose two.)

A. It can reduce routing table size.

B. It allows for optimal route selection.

C. It can reduce the number of routing updates.

D. It always shortens the attribute list for the aggregated route.


参考答案：A, C

第8题：

You receive an EBGP route configured with the no－export community set.To which types of peers can you send this route?() (Choose two.)

A. no BGP peers

B. all I-BGP peers

C. all E-BGP peers within your global AS

D. all E-BGP peers outside your global AS


参考答案：B, C

第9题：

What are two purposes of the AS_PATH attribute?()

A. route selection

B. loop avoidance

C. determining equal cost paths for reachablilty

D. defining the application of other BGP attributes


参考答案：A, B

第10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

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