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单选题
Which form of BGP changes the BGP Next Hop attribute by default?（）
A
IBGP
B
EBGP
C
CBGP
D
MBGP
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In which three ways are C－BGP and E－BGP sessions similar?()
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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_PATHB. paths for which the NEXT_HOP is inaccess ibleC. paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHD. paths for which the NEXT_HOP is accessibleE. paths that are marked as synchronized in the show ip bgp outputF. paths that are marked as not synchronized in the show ip bgp output
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Which BGP command provides the router ID, local preference, next hop, and BGP path in its output?()
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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
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Which BGP attribute will not be advertised in routing updates to its neighboring routers? Select the best response.()
A. weightB. local preferenceC. originD. AS_pathE. next hop
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Which BGP path attribute is Cisco proprietary?()
A. weightB. MEDC. local preferenceD. originE. next - hopF. AS - path
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Which BGP attribute is used by BGP to prevent routing loops?()
A. AS - pathB. next - hopC. MEDD. weightE. local preferenceF. origin
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Which BGP attribute will not be advertised in routing updates to its neighboring routers? Select the best response.（）A、weightB、local preferenceC、originD、AS_pathE、next hop
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Which BGP attribute is used by BGP to prevent routing loops?（）A、AS - pathB、next - hopC、MEDD、weightE、local preferenceF、origin
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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
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Which BGP path attribute is Cisco proprietary?（）A、weightB、MEDC、local preferenceD、originE、next - hopF、AS - path
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Which condition must be met to allow a PE router to forward VPN traffic across a LSP in a Layer 3 VPN environment？（）A、The BGP next hop must be in inet.1.B、The BGP next hop must be in inet.3.C、Must have a bidirectional LSP configured.D、Must have a static route to allow an RP for connected interfaces.
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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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Which two methods advertise internal networks to external ISPs via BGP?（）A、using aggregate routesB、defining routes via the network statementC、disablin g synchronizationD、forcing the next - hop address
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Which three statements about the BGP next-hop attribute are true？ （）A、EBGP sessions between confederation sub ASs do not modify the next-hop attribute.B、By default， iBGP sessions change the next-hop attribute learned from eBGP peers to self address.C、By default， the next-hop attribute is not changed when a prefix is reflected by the route reflectorD、EBGP sessions between confederation sub ASs change the next-hop attribute to peer address.E、By default， iBGP sessions preserve the next-hop attribute learned from eBGP peers.
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Which statem ent is true about EBGP?（）A、An internal routing protocol can be used to reach an EBGP neighbor.B、The next hop does not change when BGP updates are exchanged between EBGP neighbors.C、EBGP requires a full mesh.D、A static route can be used to form an adjacency between neighbors.
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单选题Which BGP attribute is used by BGP to prevent routing loops?（）A
AS - pathB
next - hopC
MEDD
weightE
local preferenceF
origin
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多选题Which three statements about the BGP next-hop attribute are true？ （）AEBGP sessions between confederation sub ASs do not modify the next-hop attribute.BBy default， iBGP sessions change the next-hop attribute learned from eBGP peers to self address.CBy default， the next-hop attribute is not changed when a prefix is reflected by the route reflectorDEBGP sessions between confederation sub ASs change the next-hop attribute to peer address.EBy default， iBGP sessions preserve the next-hop attribute learned from eBGP peers.
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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 bgpB
show ip bgpC
show ip bgp neighborsD
show ip bgp summary
考题
单选题Which BGP attribute will not be advertised in routing updates to its neighboring routers? Select the best response.（）A
weightB
local preferenceC
originD
AS_pathE
next hop
考题
单选题Which statem ent is true about EBGP?（）A
An internal routing protocol can be used to reach an EBGP neighbor.B
The next hop does not change when BGP updates are exchanged between EBGP neighbors.C
EBGP requires a full mesh.D
A static route can be used to form an adjacency between neighbors.
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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.
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The BGP next hop must be in inet.1.B
The BGP next hop must be in inet.3.C
Must have a bidirectional LSP configured.D
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多选题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?（）Apaths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHBpaths for which the NEXT_HOP is inaccess ibleCpaths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHDpaths for which the NEXT_HOP is accessibleEpaths that are marked as synchronized in the show ip bgp outputFpaths that are marked as not synchronized in the show ip bgp output
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