单选题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;  rou

题目
单选题
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.

参考答案和解析
正确答案: D
解析: 暂无解析
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相似问题和答案

第1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2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3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4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

第5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6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7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8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9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10题:

A router is running BGP and receives more than one route for a particular prefix. Assume all the routes for this prefix have the same attributes. Which three path features would be reasons be for the rou ter to ignore some of the routes and not consider them as candidates for the best path?()

  • A、paths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATH
  • B、paths for which the NEXT_HOP is inaccess ible
  • C、paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATH
  • D、paths for which the NEXT_HOP is accessible
  • E、paths that are marked as synchronized in the show ip bgp output
  • F、paths that are marked as  not synchronized in the show ip bgp output

正确答案:B,C,F

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