juniper认证考试

Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression?() [editpolicy-options]  policy-statementmy-filter {  term-first{  from{  route-filter192.168.0.0/16orlongeraccept;  route-filter 192.168.1.0/24 exact accept;  route

题目

Which action occurs when the BGP route 20.1.0.0/16 is evaluated by the policy expression?() [editpolicy-options]  policy-statementmy-filter {  term-first{  from{  route-filter192.168.0.0/16orlongeraccept;  route-filter 192.168.1.0/24 exact accept;  route-filter 192.168.2.0/24 exact;  }  then{  metric10;  accept;  }  termsecond {  then{  metric20;  accept;  }}  policy-statementmain {  termchange-attributes  from{  policymy-filter;  }  thenaccept;  }  termdefault {  thenreject;  }}  [editprotocols]  bgp{  exportmain;  }

  • A、The route is not advertised into BGP
  • B、The route is advertised into BGP with metric 10.
  • C、The route is advertised into BGP with metric 20.
  • D、The route is advertised into BGP with default metric.
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相似问题和答案

第1题:

Which action occurs when the static route 10.0.55.2/32 is evaluated by the policy main-policy? ()

A. The route is advertised into BGP.

B. The route is suppressed from BGP.

C. The route is advertised into BGP and goes only one hop.

D. The route is advertised into BGP and can only propagate throughout the neighboring AS.


参考答案:B

第2题:

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.


参考答案:A

第3题:

Which attribute allows a VRF to accept VPN routes from another VRF?()

A. route list

B. route origin

C. route target

D. route distinguisher


参考答案:C

第4题:

A routing policy has three terms and the first term of the policy does not contain a terminating action. What will become of the routes after they have been evaluated by the first term?()

A.In the absence of a terminating action, all routes are accepted.

B.The route will be evaluated by the second term in the policy.

C.The default action will be applied.

D.In the absence of a termination action, all routes are rejected.


参考答案:B

第5题:

Which two statements are true regarding routing policy processing?()

A. The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.

B. Policies are evaluated from right to left as displayed in the Junos OS configuration file.

C. Polices are evaluated based on the order in which they are applied to a routing protocol.

D. Policy processing stops once the last statement in the policy is evaluated.


参考答案:A, C

第6题:

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;}


参考答案:B

第7题:

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.TherouteisnotadvertisedintoBGP

B.TherouteisadvertisedintoBGPwithmetric10.

C.TherouteisadvertisedintoBGPwithmetric20.

D.TherouteisadvertisedintoBGPwithdefaultmetric.


参考答案:D

第8题:

What happens to the 66.66.66/24 route when it is evaluated by this policy? ()

A. The route does not match this policy.

B. The route is rejected.

C. The route is accepted.

D. The route is accepted, then rejected.


参考答案:C

第9题:

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.


参考答案:D

第10题:

Refer to the exhibit. Which statement is true? ()

A. Only traffic with a destination from 10.10.0.0/19 will be permitted.

B. Router RAR1 will accept only route 10.10.0.0/19 from its BGP neighbor.

C. Only traffic going to 10.10.0.0/19 will be permitted.

D. Router RAR1 will send only route 10.10.0.0/19 to its BGP neighbor.


参考答案:B

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