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单选题
Which BGP command provides the router ID, local preference, next hop, and BGP path in its output?（）
A
show ip route bgp
B
show ip bgp
C
show ip bgp neighbors
D
show ip bgp summary
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Which BGP attribute is considered first as a tie－breaker in JUNOS software?()
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Which BGP route selection criterion is superior?()
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In which three ways are C－BGP and E－BGP sessions similar?()
A. Both are configured as type external.B. Both configurations use the peer-as command.C. Neither advertises the local-preference attribute.D. Both set next-hop self when advertising routes to peers.E. Both modify the AS-path attribute when advertising routes.
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A.AB.BC.CD.D
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Which BGP command provides the router ID, local preference, next hop, and BGP path in its output?()
A. show ip route bgpB. show ip bgpC. show ip bgp neighborsD. show ip bgp summary
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Refer to the exhibit. A client has asked you to consult on an eBGP loading question. Currently the AS 100 eBGP links have an average outbound load of 65% and 20% respectively. On further investigation, traffic from 10.10.24.0 accounts for 45%, and 10.10.25.0 and 10.10.32.0 accounts for 20% each of the outbound load. The customer wants to spread the load between the two eBGP links more evenly. The BGP attributes are currently set at their default values. If you are located at AS 100 and want to influence how AS 100 sends traffic to AS 200, what BGP attribute could you configure to cause AS 100 outbound traffic to load the eB GP links more evenly? （）A. On router A, set the default local - preference to 50.B. On router B, set the default metric to 150.C. On router B, configure a route map for 10.10.25.0/24 with a local preference of 150 linked to neighbor 192.168.30.2.D. On router B, set the default local -preference to 150.
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关于BGP Local－Preference,下面哪些描述是正确的?()
A.在BGP选路规则中，Preference-Value的优先级要高于Local-Preference，即优先比较Prefrred-ValueB.BGP路由Local-Preference的缺省值是100C.BGPLocal-Preference通常在选路规则策略中用于控制数据流如何入ASD.在BGP选路规则中，MED的优先级要高于Local-Preference即优先比较MED
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When the BGP path selection process is being performed on a Cisco router, which BGP attribute is used first when determining the best path?（）A、local preferenceB、MEDC、weightD、or iginE、next - hopF、AS - path
考题
You have a router running BGP for the MPLS network and OSPF for the local LAN network at the sales office. A route is being learned from the MPLS network that also exists on the OSPF local network. It is important that the router chooses the local LAN route being learned from the downstream switch running OSPF rather than the upstream BGP neighbor. Also， if the local OSPF route goes away， the BGP route needs to be used. What should be configured to make sure that the router will choose the LAN network as the preferred path？（）A、static route needs to be addedB、floating static route needs to be addedC、bgp backdoor commandD、ospf backdoor command
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A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values. Which statement is true about how BGP would select the best path?（）A、To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50B、Th e router will prefer the shortest autonomous system pathC、If the command bgp always - compare - med has been given, then the router will prefer the route with the highest MEDD、The router will prefer the route with the lower MED
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In JUNOS software， which is the only BGP attribute where a higher value is preferred？（）A、MEDB、OriginC、WeightD、PreferenceE、Local preference
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关于BGP的Local_Preference属性，以下说法正确的是（）A、Local_Preference属性为公认可选属性B、Local_Preference的属性值仅影响离开该AS的流量，不影响进入该AS的流量C、BGP路由器将该属性传给IBGP邻居D、BGP路由器将该属性传给EBGP邻居
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Router 1 is configured for BGP as dual-homed on the Cisco network. Which three BGP attributes are carried in every BGP update on this router （both IBGP and EBGP）？（）A、originB、router-IDC、AS-pathD、local-preferenceE、next-hop
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During BGP configuration on a router that has peered with other BGP speakers, the BGP command aggregate-a ddress 172.32.0.0 255.255.252.0 is issued. However, the peers do not receive this aggregate network in BGP advertisements. Also, the router does not have this aggregate network in its BGP table. Which option indicates a possible reason this command did not cause the router to advertise the aggregate network to its peers?（）A、Interface NULL 0 is likely shutdown.B、The next hop IP address must be a loopback address.C、The BGP command no auto - summary is missing.D、The BGP command no synchronization is missing.E、Subnets of 172.32.0.0/22 do not exist in the BGP table.F、The IGP running on this router does not have network 172.32.0.0/22 installed.
考题
Which BGP attribute is considered first as a tie-breaker in JUNOS software?（）A、originB、weightC、as-path lengthD、local-preference
考题
Which BGP attribute is considered first as a tie-breaker in JUNOS software？（）A、MEDB、originC、weightD、as-path lengthE、local-preference
考题
What is the first step in BGP route selection?（）A、The local router prefers the route with the shortest AS Path.B、The local router verifies that it has a route to the BGP Next Hop IP address.C、The local router prefers the route from the peer with the lowest peer ID address.D、The local router prefers the route learned from an EBGP peer over a route learned from an IBGP peer.
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多选题关于BGP Local-Preference，下面哪些描述是正确的？（）A在BGP选路规则中，Preference-Value的优先级要高于Local-Preference，即优先比较Prefrred-ValueBBGP路由Local-Preference的缺省值是100CBGPLocal-Preference通常在选路规则策略中用于控制数据流如何入ASD在BGP选路规则中，MED的优先级要高于Local-Preference即优先比较MED
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多选题Which two statements are correct regarding default protocol preference values?（）AOSPF internal routes have a lower preference than static routes.BBoth direct and local routes have the same preference value.COSPF's preference value is lower than BGP.DOSPF has a single preference value for both internal and external routes.
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多选题In which three ways are C-BGP and E-BGP sessions similar?（）ABoth are configured as type external.BBoth configurations use the peer-as command.CNeither advertises the local-preference attribute.DBoth set next-hop self when advertising routes to peers.EBoth modify the AS-path attribute when advertising routes.
考题
单选题You have a router running BGP for the MPLS network and OSPF for the local LAN network at the sales office. A route is being learned from the MPLS network that also exists on the OSPF local network.It is important that the router chooses the local LAN route being learned from the downstream switch running OSPF rather than the upstream BGP neighbor. Also，if the local OSPF route goes away，the BGP route needs to be used. What should be configured to make sure that the router will choose the LAN network as the preferred path？（）A
static route needs to be addedB
floating static route needs to be addedC
bgp backdoor commandD
ospf backdoor command
考题
单选题A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values. Which statement is true about how BGP would select the best path?（）A
To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50B
Th e router will prefer the shortest autonomous system pathC
If the command bgp always - compare - med has been given, then the router will prefer the route with the highest MEDD
The router will prefer the route with the lower MED
考题
多选题Which two statements are true regarding EBGP and Confederation BGP?（） (Choose two.)AEBGP peers advertise MED and change Next Hop.BEBGP peers advertise Local Preference and do NOT change Next Hop.CConfederation BGP peers advertise MED and do NOT change Next Hop.DConfederation BGP peers advertise Local Preference and change Next Hop.
考题
单选题Which BGP route selection criterion is superior?（）A
lowest MEDB
highest weightC
lowest local preferenceD
highest local preference
考题
多选题Which two statements are correct regarding default protocol preference values?（）ARIP is preferred over OSPF external routes.BDirect, local, and static routes have the same preference value.COSPF's preference value is lower than BGP.DOSPF has a single preference value for both internal and external routes.
考题
单选题What is the first step in BGP route selection?（）A
The local router prefers the route with the shortest AS Path.B
The local router verifies that it has a route to the BGP Next Hop IP address.C
The local router prefers the route from the peer with the lowest peer ID address.D
The local router prefers the route learned from an EBGP peer over a route learned from an IBGP peer.
考题
单选题Refer to the exhibit. Which statement is true about the 6.6.6.0/24 prefix？（）A
If another path advertises the 6.6.6.0/24 path and has the default local preference， that path is more preferredB
The command neighbor send-community is configured on BGP neighbor 10.10.23.3C
The route 10.10.23.3 is not being advertised to other BGP neighborsD
Route 6.6.6.0/24 is learned by an IBGP peer
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