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

题目
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.

相似考题

1.Intheexhibit，youdecidedtochangemyHostsaddresses.[editsecuritypolicies]user@hostshowfrom-zonePrivateto-zoneExternal{policyMyTraffic{match{source-addressmyHosts；destination-addressExtServers；application[junos-ftpjunos-bgp]；}then{permit{tunnel{ipsec-vpnvpnTunnel；}}}}}policy-rematch；Whatwillhappentothenewsessionsmatchingthepolicyandin-progresssessionsthathadalreadymatchedthepolicy？（）A.Newsessionswillbeevaluated.In-progresssessionswillbere-evaluated.B.Newsessionswillbeevaluated.Allin-progresssessionswillcontinue.C.Newsessionswillbeevaluated.Allin-progresssessionswillbedropped.D.Newsessionswillhaltuntilallin-progresssessionsarere-evaluated.In-progresssessionswillbere-evaluatedandpossiblydropped.

2.WhichactionoccurswhentheBGProute20.1.0.0/16isevaluatedbythepolicyexpression？（）[editpolicy-options]policy-statementreject_10{from{route-filter20.1.0.0/16orlongerM}then{communityadd90-1；accept}}policy-statementaccept_20{from{route-filter20.1.0.0/16orlongerM}then{communityadd100-1；reject；}}community100-1members100：1；community90-1members90：1[editprotocols]bgp{groupebgp-group{neighbor172.16.201.1{export（reject-10&&accept-20）；}}}A.Therouteisnotannounced.B.Therouteisannouncedwith90：1added.C.Therouteisannouncedwith100：1added.D.Therouteisannouncedwithcommunities90：1and100：1added.

3.WhichactionoccurswhentheBGProute20.1.0.0/16isevaluatedbythepolicyexpression？（）[editpolicy-options]policy-statementmy-filter{term-first{from{route-filter192.168.0.0/16orlongeraccept；route-filter192.168.1.0/24exactaccept；route-filter192.168.2.0/24exact；}then{metric10；accept；}termsecond{then{metric20；accept；}}policy-statementmain{termchange-attributesfrom{policymy-filter；}thenaccept；}termdefault{thenreject；}}[editprotocols]bgp{exportmain；}A.TherouteisnotadvertisedintoBGPB.TherouteisadvertisedintoBGPwithmetric10.C.TherouteisadvertisedintoBGPwithmetric20.D.TherouteisadvertisedintoBGPwithdefaultmetric.

4.Whichactionoccurswhenthepolicymain-policyevaluatestheBGProute10.0.55.2/32？（）[editpolicy-options]policy-statementtest{from{route-filter10.0.0.016/orlongeraccept；route-filter10.0.67.0/24orlangerreject；route-filter10.0.0.0/8orlanger；}then{metric10；communityaddno-advertise；accept；}}policy-statementmain-policy{termonly-want-certain-routes{from{policytest；}then{communityaddharry-402；accept；}}}communitynoadvertisemembersno-advertise；communityharry-402members666：402；[editprotocols]bgp{exportmain-policy；}

更多“Which action occurs when the BGP route 20.1.0.0／16 is evaluated by the policy expression?() ”相关问题

  • 第1题：

    以下选项中哪些可以用于BGP的路由策略()。

    A.ACL

    B.ip prefix

    C.community-list

    D.as-path-acl

    E.route-policy


    答案ABCDE

  • 第2题：

    关于route－policy描述错误的是()

    A.关于Route-policy由多个节点构成，一个节点包括多个if-match和apply字句

    B.if-match字句用来定义该节点的匹配条件，apply子句用来定义通过过滤的路由行为

    C.if-match子句的过滤规则关系是“与”，即该节点的所有if-match子句都必须匹配

    D.route-policy节点间的过滤关系是“或”，即只要通过了一个节点的过滤，就可以通过该Route-Policy


    参考答案：C

  • 第3题：

    在route－policy中,能够用于apply字句的BGP属性有哪些?()

    A.Local-Preference

    B.TAG

    C.MED

    D.AS-Path


    参考答案：A, C, D

  • 第4题：

    当对一个BGP邻居配置了多个路由选择工具进行路由过滤时,下列描述错误的是()

    A.对于peer接收路由，IP-Prefix先与route-policy被处理

    B.对于peer接收路由，route-policy先与IP-Prefix被处理

    C.对于peer发送路由，IP-prefix先与route-policy被处理

    D.对于peer发送路由，route-policy先与IP-Prefix被处理


    参考答案：B, C

  • 第5题：

    路由选择工具route－policy能够基于预先定义的条件来进行过滤并且设置BGP属性,所以它经常被用来定义针对BGP peer的策略,也经常在路由生成时期被使用,缺省情况下,所有未匹配的路由被拒绝通过route－policy

    A．错误

    B．正确


    参考答案：B

  • 第6题：

    在route－policy中,能够匹配if－match子句的BGP属性有哪些?()

    A.Local-Preference

    B.AS-Path

    C.TAG

    D.Community


    参考答案：B, D

    在route-policy中，能够匹配If-match子句的BGP属性有：AS-Path、MED、Community

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