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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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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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Which BGP attribute will not be advertised in routing updates to its neighboring routers? Select the best response.()
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A. AS - pathB. next - hopC. MEDD. weightE. local preferenceF. origin
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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 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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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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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
考题
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.
考题
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 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.
考题
Which two statements are true regarding EBGP and Confederation BGP?（） (Choose two.)A、EBGP peers advertise MED and change Next Hop.B、EBGP peers advertise Local Preference and do NOT change Next Hop.C、Confederation BGP peers advertise MED and do NOT change Next Hop.D、Confederation BGP peers advertise Local Preference and change Next Hop.
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By default， to which peers will a BGP router advertise routes learned from IBGP peers？（）A、all BGP peersB、all IBGP peersC、all EBGP peersD、all MBGP peers
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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.
考题
单选题By default， to which peers will a BGP router advertise routes learned from IBGP peers？（）A
all BGP peersB
all IBGP peersC
all EBGP peersD
all MBGP peers
考题
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 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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