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what’s the role of community attribute in the bgp route？
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Which two BGP attributes support route reflection?()
A. Client IDB. Cluster listC. Originator IDD. Reflection community
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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 peersB. all I-BGP peersC. all E-BGP peers within your global ASD. all E-BGP peers outside your global AS
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What are two uses of the AS Path attribute?() (Choose two.)
A. route selectionB. loop avoidanceC. determining equal cost paths for reachabliltyD. defining the application of other BGP attributes
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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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Which action occurs when the BGP route 20.1.0.0／16 is evaluated by the policy expression?()
A. The route is not announced.B. The route is announced with community 90:1 added.C. The route is announced with community 100:1 added.C.The route is announced with community 100:1 added.D. The route is announced with communities 90:1 and 100:1 added.D.The route is announced with communities 90:1 and 100:1 added.
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What are two purposes of the AS_PATH attribute?()
A. route selectionB. loop avoidanceC. determining equal cost paths for reachabliltyD. defining the application of other BGP attributes
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Refer to the exhibit. Routers RTA and RTB are running BGP but the session is active. What command needs to be added to esta blish the BGP session? ()
A. ip route 10.10.10.1 255.255.255.255 s0/0 ip route 10.10.10.1 255.255.255.255 s0/1B. network 10.10.10.0C. no synchronizationD. neighbor 10.10.10.1 next - hop - self
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定义route－policytest如下:下列描述错误的是()
A.只有包含community100：1或者as-path为100的BGP路由才会通过route-policy test，并将AS-PATH改为200B.只有包含community100：1并且as-path为100的BGP路由才会通过route-policy test，并将AS-path改为200C.只有community为100：1并且AS-PATH为100的BGP路由才会通过route-policy test，并将AS-PATH改为200D.Community为100：1并且AS-PATH为100的BGP路由会通过route-policy test，并将AS-PATH改为200
考题
仅用于BGP协议,匹配BGP路由信息的AS－PATH的路由选择工具是()
A.route-policyB.ip-prefixC.as-path-filterD.community-filter
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What best explains the BGP route-reflector function？（）A、BGP route-reflector should be in forwarding path of data coming from its clientsB、BGP route-reflector does not have to be in the forwarding path of data coming from its clientsC、BGP route-reflector will stop reflecting the routes if they’re not directly-connected clientsD、None of the above
考题
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.
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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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What does a BGP route reflector do when reflecting a route?（）A、It prepends its cluster identifier to the route's cluster list.B、It prepends its own originator identifier to the route's cluster list.C、It replaces the route's cluster identifier with its own cluster identifier.D、It replaces the route's originator identifier with its originator identifier.
考题
What action will a BGP route reflector take when it receives a prefix marked with the community attribute NO ADVERTISE from a client peer？（）A、It will advertise the prefix to all other client peers and non-client peers.B、It will not advertise the prefix to EBGP peers.C、It will only advertise the prefix to all other IBGP peers.D、It will not advertise the prefix to any peers.
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What are two purposes of the AS_PATH attribute?（）A、route selectionB、loop avoidanceC、determining equal cost paths for reachabliltyD、defining the application of other BGP attributes
考题
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 peersB、all I-BGP peersC、all E-BGP peers within your global ASD、all E-BGP peers outside your global AS
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What are two uses of the AS Path attribute?（） (Choose two.)A、route selectionB、loop avoidanceC、determining equal cost paths for reachabliltyD、defining the application of other BGP attributes
考题
单选题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.
考题
多选题What are two advantages of BGP route aggregation?（） (Choose two.)AIt can reduce routing table size.BIt allows for optimal route selection.CIt can reduce the number of routing updates.DIt always shortens the attribute list for the aggregated route.
考题
单选题Which action occurs when the policy main-policy evaluates the BGP route 10.0.55.2/32？（） [edit policy-options] policy-statement test { from { route-filter10.0.0.016/orlongeraccept； route-filter10.0.67.0/24orlangerreject； route-filter10.0.0.0/8orlanger； } then { metric10； community add no-advertise； accept； } } policy-statement main-policy { term only-want-certain-routes { from { policytest； } then { communityadd harry-402； accept； } } } communityno advertise members no-advertise； communityharry-402 members 666：402； [edit protocols] bgp { exportmain-policy； }A
The route is not advertised into BGPB
The route is advertised into BGP with community harry-402.C
The route is advertised into BGP with community no-advertise.D
The route is advertised into BGP with community harry-402 and no-advertise.
考题
多选题Which two statements about the bgp deterministic-med and bgp always-compare-med commands are true？（）AThe bgp deterministic-med command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path lengthBThe bgp always-compare command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path systemCEnabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system.DEnabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems.EThe bgp deterministic-med and bgp always-compare-med commands are enabled by defult.
考题
多选题Which two BGP attributes support route reflection?（）AClient IDBCluster listCOriginator IDDReflection community
考题
单选题What action will a BGP route reflector take when it receives a prefix marked with the community attribute NO ADVERTISE from a client peer？（）A
It will advertise the prefix to all other client peers and non-client peers.B
It will not advertise the prefix to EBGP peers.C
It will only advertise the prefix to all other IBGP peers.D
It will not advertise the prefix to any peers.
考题
单选题What does a BGP route reflector do when reflecting a route?（）A
It prepends its cluster identifier to the route's cluster list.B
It prepends its own originator identifier to the route's cluster list.C
It replaces the route's cluster identifier with its own cluster identifier.D
It replaces the route's originator identifier with its originator identifier.
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