Which attribute allows a VRF to accept VPN routes from another VRF?（）A、route listB、route originC、route targetD、route distinguisher

第1题：

第2题：

In which Cisco IOS configuration mode is the route distinguisher （RD） configured？（）

• A、R1（config-route-at）#
• B、R1（config-route-map）#
• C、R1（config-it）#
• D、R1（config-vrf）#
• E、R1（config）#
• F、R1（router）#

第3题：

Which Cisco IOS command displays the export VPN route target value of a VRF？（）

• A、show ip vrf all
• B、show ip vrf route-targets all
• C、show ip vrf summary
• D、show ip vrf interfaces
• E、show ip vrf detail
• F、show ip vrf

第4题：

A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782.The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?（）

• A、Router R2 will not form a neighbor relationship with R1.
• B、Router R2 will obtain a full routing table, including a default route, from R1.
• C、R2 will obtain OSPF updates from R1, but will not obtain a default route from R1.
• D、R2 will not have a route for the directly connected serial network, but all other directly connected

第5题：

680协议栈查看私网路由表的指令为：（）。

• A、router#show ip route vrf L3VPN-N
• B、router#show ip vrf L3VPN-N
• C、router#route print vrf L3VPN-N
• D、router#show ip route

第6题：

MPLS BGP VPN中，关于RD的配置正确的是（）。

• A、route-distinguisher 100：1
• B、route-distinguisher 100.1
• C、route-distinguisher 100
• D、route-distinguisher 100：：1

第7题：

A network is composed of several VRFs. It is required that VRF users VRF_A and VRF_B be able to route to and from VRF_C，which hosts shared services. However，traffic must not be allowed to flow between VRF_A and VRF_B. How can this be accomplished？（）

• A、route redistribution
• B、import and export using route descriptors
• C、import and export using route targets
• D、Cisco MPLS Traffic Engineering

第8题：

Which command allows viewing of only OSPF routes?（）

• A、show ip ospf route
• B、show ip route protocol ospf
• C、show route protocol ospf
• D、show ospf table

第9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.

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第14题：

Which three are used in configuring Call Manager dial plans？ （）

• A、 route list
• B、 route group
• C、 gateway list
• D、 route pattern

第15题：

Which two statements are correct with regard to route distinguisher as defined in RFC 4364-AKA IP-VPN（MPLS-VPN）？（）

• A、The configuration to define Route-Distinguisher is Ip vrf bulle Rd 1：1
• B、A route distinguisher can be imported and exported to and from a VRF
• C、Route-Distinguisher is an 8 byte BGP attribute value used in influencing BGP best path algorithm.
• D、Route-Distinguisher is an 8 byte value used in creating unique VPNv4 address.

第16题：

Which of the following attributes allows a VRF to accept VPN routes from another VRF？ （）

• A、 route list
• B、 route origin
• C、 route target
• D、 toute distinguisher

第17题：

Which three attributes are advertised to the remote PE and BGP-based VPNs？（）

• A、Circuit ID
• B、VPN label
• C、Route target
• D、VPN number
• E、Route distinguisher

第18题：

Which statements about the Route Target Rewrite feature are not true？ （）

• A、After the route target replacement policy is applied to the target router， the BGP session need not be refreshed manually to put the policy into operation.
• B、Route Target Rewrite allows the administration of the routing policy to stay local to the AS.
• C、Route target replacement is always done by the ASBR.
• D、Route target rewrites are supported for VRF export maps.
• E、Route target replacement can be done on incoming and outgoing BGP updates.

第19题：

A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782. The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?（）

• A、the OSPF route
• B、the EIGRP route
• C、the RIPv2 route
• D、all three routes
• E、the OSPF and RIPv2 routes

第20题：

What is the role of route preference?（）

• A、It is used to determine which route should become active.
• B、It is used to select which routing table to use for forwarding.
• C、It is used to determine what routes to accept into the routing table.
• D、It is used to select the best route between multiple equal cost paths.

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